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id="toc-Definition_and_duration-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Days_of_the_week" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Days_of_the_week"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Days of the week</span> </div> </a> <ul id="toc-Days_of_the_week-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-History" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>History</span> </div> </a> <button aria-controls="toc-History-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle History subsection</span> </button> <ul id="toc-History-sublist" class="vector-toc-list"> <li id="toc-Ancient_Near_East" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ancient_Near_East"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Ancient Near East</span> </div> </a> <ul id="toc-Ancient_Near_East-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Judaism" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Judaism"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Judaism</span> </div> </a> <ul id="toc-Judaism-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Achaemenid_period" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Achaemenid_period"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Achaemenid period</span> </div> </a> <ul id="toc-Achaemenid_period-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hellenistic_and_Roman_era" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hellenistic_and_Roman_era"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Hellenistic and Roman era</span> </div> </a> <ul id="toc-Hellenistic_and_Roman_era-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Islamic_concept" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Islamic_concept"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.5</span> <span>Islamic concept</span> </div> </a> <ul id="toc-Islamic_concept-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Adoption_in_Asia" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Adoption_in_Asia"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.6</span> <span>Adoption in Asia</span> </div> </a> <ul id="toc-Adoption_in_Asia-sublist" class="vector-toc-list"> <li id="toc-China_and_Japan" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#China_and_Japan"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.6.1</span> <span>China and Japan</span> </div> </a> <ul id="toc-China_and_Japan-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-India" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#India"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.6.2</span> <span>India</span> </div> </a> <ul id="toc-India-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Christian_Europe" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Christian_Europe"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.7</span> <span>Christian Europe</span> </div> </a> <ul id="toc-Christian_Europe-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Numbering" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Numbering"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Numbering</span> </div> </a> <button aria-controls="toc-Numbering-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Numbering subsection</span> </button> <ul id="toc-Numbering-sublist" class="vector-toc-list"> <li id="toc-The_ISO_week_date_system" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#The_ISO_week_date_system"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>The ISO week date system</span> </div> </a> <ul id="toc-The_ISO_week_date_system-sublist" class="vector-toc-list"> <li id="toc-Determining_Week_1" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Determining_Week_1"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1.1</span> <span>Determining <i>Week 1</i></span> </div> </a> <ul id="toc-Determining_Week_1-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Week_52_and_53" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Week_52_and_53"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1.2</span> <span>Week 52 and 53</span> </div> </a> <ul id="toc-Week_52_and_53-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Schematic_representation_of_ISO_week_date" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Schematic_representation_of_ISO_week_date"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1.3</span> <span>Schematic representation of ISO week date</span> </div> </a> <ul id="toc-Schematic_representation_of_ISO_week_date-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Other_week_numbering_systems" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other_week_numbering_systems"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Other week numbering systems</span> </div> </a> <ul id="toc-Other_week_numbering_systems-sublist" class="vector-toc-list"> <li id="toc-Uses" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Uses"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2.1</span> <span>Uses</span> </div> </a> <ul id="toc-Uses-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-"Weeks"_in_other_calendars" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#"Weeks"_in_other_calendars"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>"Weeks" in other calendars</span> </div> </a> <button aria-controls="toc-"Weeks"_in_other_calendars-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle "Weeks" in other calendars subsection</span> </button> <ul id="toc-"Weeks"_in_other_calendars-sublist" class="vector-toc-list"> <li id="toc-Pre-modern" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Pre-modern"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Pre-modern</span> </div> </a> <ul id="toc-Pre-modern-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Modern_reforms" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Modern_reforms"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Modern reforms</span> </div> </a> <ul id="toc-Modern_reforms-sublist" class="vector-toc-list"> <li id="toc-Soviet" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Soviet"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2.1</span> <span>Soviet</span> </div> </a> <ul id="toc-Soviet-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Week</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 200 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-200" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">200 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-kbd mw-list-item"><a href="https://kbd.wikipedia.org/wiki/%D0%9C%D0%B0%D1%85%D1%83%D1%8D_%D0%93%D1%8A%D1%8D%D0%BF%D1%81" title="Махуэ Гъэпс – Kabardian" lang="kbd" hreflang="kbd" data-title="Махуэ Гъэпс" data-language-autonym="Адыгэбзэ" data-language-local-name="Kabardian" class="interlanguage-link-target"><span>Адыгэбзэ</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Week" title="Week – Afrikaans" lang="af" hreflang="af" data-title="Week" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Woche" title="Woche – Alemannic" lang="gsw" hreflang="gsw" data-title="Woche" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%B3%E1%88%9D%E1%8A%95%E1%89%B5" title="ሳምንት – Amharic" lang="am" hreflang="am" data-title="ሳምንት" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE%E0%A4%B9" title="सप्ताह – Angika" lang="anp" hreflang="anp" data-title="सप्ताह" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D8%B3%D8%A8%D9%88%D8%B9" title="أسبوع – Arabic" lang="ar" hreflang="ar" data-title="أسبوع" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Semana" title="Semana – Aragonese" lang="an" hreflang="an" data-title="Semana" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-arc mw-list-item"><a href="https://arc.wikipedia.org/wiki/%DC%AB%DC%92%DC%98%DC%A5%DC%90" title="ܫܒܘܥܐ – Aramaic" lang="arc" hreflang="arc" data-title="ܫܒܘܥܐ" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="Aramaic" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Sipt%C3%A2m%C3%A2n%C3%A2" title="Siptâmânâ – Aromanian" lang="rup" hreflang="rup" data-title="Siptâmânâ" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-frp mw-list-item"><a href="https://frp.wikipedia.org/wiki/Semana" title="Semana – Arpitan" lang="frp" hreflang="frp" data-title="Semana" data-language-autonym="Arpetan" data-language-local-name="Arpitan" class="interlanguage-link-target"><span>Arpetan</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%B8%E0%A6%AA%E0%A7%8D%E0%A6%A4%E0%A6%BE%E0%A6%B9" title="সপ্তাহ – Assamese" lang="as" hreflang="as" data-title="সপ্তাহ" data-language-autonym="অসমীয়া" data-language-local-name="Assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Selmana" title="Selmana – Asturian" lang="ast" hreflang="ast" data-title="Selmana" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Arapok%C3%B5indy" title="Arapokõindy – Guarani" lang="gn" hreflang="gn" data-title="Arapokõindy" data-language-autonym="Avañe'ẽ" data-language-local-name="Guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-av mw-list-item"><a href="https://av.wikipedia.org/wiki/%D0%90%D0%BD%D0%BA%D1%8C" title="Анкь – Avaric" lang="av" hreflang="av" data-title="Анкь" data-language-autonym="Авар" data-language-local-name="Avaric" class="interlanguage-link-target"><span>Авар</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/H%C9%99ft%C9%99" title="Həftə – Azerbaijani" lang="az" hreflang="az" data-title="Həftə" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%87%D9%81%D8%AA%D9%87" title="هفته – South Azerbaijani" lang="azb" hreflang="azb" data-title="هفته" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%AA%E0%A7%8D%E0%A6%A4%E0%A6%BE%E0%A6%B9" title="সপ্তাহ – Bangla" lang="bn" hreflang="bn" data-title="সপ্তাহ" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/L%C3%A9-p%C3%A0i_(s%C3%AE-kan)" title="Lé-pài (sî-kan) – Minnan" lang="nan" hreflang="nan" data-title="Lé-pài (sî-kan)" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%90%D2%99%D0%BD%D0%B0" title="Аҙна – Bashkir" lang="ba" hreflang="ba" data-title="Аҙна" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A2%D1%8B%D0%B4%D0%B7%D0%B5%D0%BD%D1%8C" title="Тыдзень – Belarusian" lang="be" hreflang="be" data-title="Тыдзень" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A2%D1%8B%D0%B4%D0%B7%D0%B5%D0%BD%D1%8C" title="Тыдзень – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Тыдзень" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B9%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE" title="हप्ता – Bhojpuri" lang="bh" hreflang="bh" data-title="हप्ता" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D0%B5%D0%B4%D0%BC%D0%B8%D1%86%D0%B0" title="Седмица – Bulgarian" lang="bg" hreflang="bg" data-title="Седмица" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%82%E0%BD%9F%E0%BD%A0%E0%BC%8B%E0%BD%A0%E0%BD%81%E0%BD%BC%E0%BD%A2%E0%BC%8D" title="གཟའ་འཁོར། – Tibetan" lang="bo" hreflang="bo" data-title="གཟའ་འཁོར།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Sedmica" title="Sedmica – Bosnian" lang="bs" hreflang="bs" data-title="Sedmica" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Sizhun" title="Sizhun – Breton" lang="br" hreflang="br" data-title="Sizhun" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%94%D0%BE%D0%BB%D0%BE%D0%BE%D0%BD_%D1%85%D0%BE%D0%BD%D0%BE%D0%B3" title="Долоон хоног – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Долоон хоног" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Setmana" title="Setmana – Catalan" lang="ca" hreflang="ca" data-title="Setmana" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%AD%D1%80%D0%BD%D0%B5" title="Эрне – Chuvash" lang="cv" hreflang="cv" data-title="Эрне" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/T%C3%BDden" title="Týden – Czech" lang="cs" hreflang="cs" data-title="Týden" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Vhiki" title="Vhiki – Shona" lang="sn" hreflang="sn" data-title="Vhiki" data-language-autonym="ChiShona" data-language-local-name="Shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Sittimana" title="Sittimana – Corsican" lang="co" hreflang="co" data-title="Sittimana" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Wythnos" title="Wythnos – Welsh" lang="cy" hreflang="cy" data-title="Wythnos" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-dag mw-list-item"><a href="https://dag.wikipedia.org/wiki/Bak%C9%94i" title="Bakɔi – Dagbani" lang="dag" hreflang="dag" data-title="Bakɔi" data-language-autonym="Dagbanli" data-language-local-name="Dagbani" class="interlanguage-link-target"><span>Dagbanli</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Uge" title="Uge – Danish" lang="da" hreflang="da" data-title="Uge" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B3%D9%8A%D9%85%D8%A7%D9%86%D8%A9" title="سيمانة – Moroccan Arabic" lang="ary" hreflang="ary" data-title="سيمانة" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/Vahkku" title="Vahkku – Northern Sami" lang="se" hreflang="se" data-title="Vahkku" data-language-autonym="Davvisámegiella" data-language-local-name="Northern Sami" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-pdc mw-list-item"><a href="https://pdc.wikipedia.org/wiki/Woch" title="Woch – Pennsylvania German" lang="pdc" hreflang="pdc" data-title="Woch" data-language-autonym="Deitsch" data-language-local-name="Pennsylvania German" class="interlanguage-link-target"><span>Deitsch</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Woche" title="Woche – German" lang="de" hreflang="de" data-title="Woche" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dsb mw-list-item"><a href="https://dsb.wikipedia.org/wiki/Ty%C5%BAe%C5%84" title="Tyźeń – Lower Sorbian" lang="dsb" hreflang="dsb" data-title="Tyźeń" data-language-autonym="Dolnoserbski" data-language-local-name="Lower Sorbian" class="interlanguage-link-target"><span>Dolnoserbski</span></a></li><li class="interlanguage-link interwiki-dty mw-list-item"><a href="https://dty.wikipedia.org/wiki/%E0%A4%B9%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE" title="हप्ता – Doteli" lang="dty" hreflang="dty" data-title="हप्ता" data-language-autonym="डोटेली" data-language-local-name="Doteli" class="interlanguage-link-target"><span>डोटेली</span></a></li><li class="interlanguage-link interwiki-dz mw-list-item"><a href="https://dz.wikipedia.org/wiki/%E0%BD%96%E0%BD%91%E0%BD%B4%E0%BD%93%E0%BC%8C%E0%BD%95%E0%BE%B2%E0%BD%82" title="བདུན༌ཕྲག – Dzongkha" lang="dz" hreflang="dz" data-title="བདུན༌ཕྲག" data-language-autonym="ཇོང་ཁ" data-language-local-name="Dzongkha" class="interlanguage-link-target"><span>ཇོང་ཁ</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/N%C3%A4dal" title="Nädal – Estonian" lang="et" hreflang="et" data-title="Nädal" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://el.wikipedia.org/wiki/%CE%95%CE%B2%CE%B4%CE%BF%CE%BC%CE%AC%CE%B4%CE%B1" title="Εβδομάδα – Greek" lang="el" hreflang="el" data-title="Εβδομάδα" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/Stm%C3%A2na" title="Stmâna – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Stmâna" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%A2%D0%B0%D1%80%D0%B3%D0%BE" title="Тарго – Erzya" lang="myv" hreflang="myv" data-title="Тарго" data-language-autonym="Эрзянь" data-language-local-name="Erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Semana" title="Semana – Spanish" lang="es" hreflang="es" data-title="Semana" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Semajno" title="Semajno – Esperanto" lang="eo" hreflang="eo" data-title="Semajno" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Semana" title="Semana – Extremaduran" lang="ext" hreflang="ext" data-title="Semana" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Aste" title="Aste – Basque" lang="eu" hreflang="eu" data-title="Aste" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%87%D9%81%D8%AA%D9%87" title="هفته – Persian" lang="fa" hreflang="fa" data-title="هفته" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Hafta" title="Hafta – Fiji Hindi" lang="hif" hreflang="hif" data-title="Hafta" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Vika" title="Vika – Faroese" lang="fo" hreflang="fo" data-title="Vika" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Semaine" title="Semaine – French" lang="fr" hreflang="fr" data-title="Semaine" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Wike" title="Wike – Western Frisian" lang="fy" hreflang="fy" data-title="Wike" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ff mw-list-item"><a href="https://ff.wikipedia.org/wiki/Balde_Nyalande" title="Balde Nyalande – Fula" lang="ff" hreflang="ff" data-title="Balde Nyalande" data-language-autonym="Fulfulde" data-language-local-name="Fula" class="interlanguage-link-target"><span>Fulfulde</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Setemane" title="Setemane – Friulian" lang="fur" hreflang="fur" data-title="Setemane" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Seachtain" title="Seachtain – Irish" lang="ga" hreflang="ga" data-title="Seachtain" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Semana" title="Semana – Galician" lang="gl" hreflang="gl" data-title="Semana" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%9A%D3%80%D0%B8%D1%80%D0%B0" title="КӀира – Ingush" lang="inh" hreflang="inh" data-title="КӀира" data-language-autonym="ГӀалгӀай" data-language-local-name="Ingush" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E7%A6%AE%E6%8B%9C" title="禮拜 – Gan" lang="gan" hreflang="gan" data-title="禮拜" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-glk mw-list-item"><a href="https://glk.wikipedia.org/wiki/%D9%87%D9%81%D8%AA%D9%87" title="هفته – Gilaki" lang="glk" hreflang="glk" data-title="هفته" data-language-autonym="گیلکی" data-language-local-name="Gilaki" class="interlanguage-link-target"><span>گیلکی</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%85%E0%AA%A0%E0%AA%B5%E0%AA%BE%E0%AA%A1%E0%AA%BF%E0%AA%AF%E0%AB%81%E0%AA%82" title="અઠવાડિયું – Gujarati" lang="gu" hreflang="gu" data-title="અઠવાડિયું" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-got mw-list-item"><a href="https://got.wikipedia.org/wiki/%F0%90%8D%85%F0%90%8C%B9%F0%90%8C%BA%F0%90%8D%89" title="𐍅𐌹𐌺𐍉 – Gothic" lang="got" hreflang="got" data-title="𐍅𐌹𐌺𐍉" data-language-autonym="𐌲𐌿𐍄𐌹𐍃𐌺" data-language-local-name="Gothic" class="interlanguage-link-target"><span>𐌲𐌿𐍄𐌹𐍃𐌺</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/L%C3%AE-pai_(s%E1%B9%B3%CC%80-ki%C3%AAn_t%C3%A2n-vi)" title="Lî-pai (sṳ̀-kiên tân-vi) – Hakka Chinese" lang="hak" hreflang="hak" data-title="Lî-pai (sṳ̀-kiên tân-vi)" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A3%BC_(%EC%8B%9C%EA%B0%84)" title="주 (시간) – Korean" lang="ko" hreflang="ko" data-title="주 (시간)" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Mako" title="Mako – Hausa" lang="ha" hreflang="ha" data-title="Mako" data-language-autonym="Hausa" data-language-local-name="Hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%87%D5%A1%D5%A2%D5%A1%D5%A9_(%D5%B5%D5%B8%D5%A9%D5%B6%D6%85%D6%80%D5%B5%D5%A1%D5%AF)" title="Շաբաթ (յոթնօրյակ) – Armenian" lang="hy" hreflang="hy" data-title="Շաբաթ (յոթնօրյակ)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE%E0%A4%B9" title="सप्ताह – Hindi" lang="hi" hreflang="hi" data-title="सप्ताह" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/Tyd%C5%BAe%C5%84" title="Tydźeń – Upper Sorbian" lang="hsb" hreflang="hsb" data-title="Tydźeń" data-language-autonym="Hornjoserbsce" data-language-local-name="Upper Sorbian" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Tjedan" title="Tjedan – Croatian" lang="hr" hreflang="hr" data-title="Tjedan" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Semano" title="Semano – Ido" lang="io" hreflang="io" data-title="Semano" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Lawas" title="Lawas – Iloko" lang="ilo" hreflang="ilo" data-title="Lawas" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Minggu_(satuan)" title="Minggu (satuan) – Indonesian" lang="id" hreflang="id" data-title="Minggu (satuan)" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://ia.wikipedia.org/wiki/Septimana" title="Septimana – Interlingua" lang="ia" hreflang="ia" data-title="Septimana" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Semane" title="Semane – Interlingue" lang="ie" hreflang="ie" data-title="Semane" data-language-autonym="Interlingue" data-language-local-name="Interlingue" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9A%D1%8A%D1%83%D1%8B%D1%80%D0%B8" title="Къуыри – Ossetic" lang="os" hreflang="os" data-title="Къуыри" data-language-autonym="Ирон" data-language-local-name="Ossetic" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Vika" title="Vika – Icelandic" lang="is" hreflang="is" data-title="Vika" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Settimana" title="Settimana – Italian" lang="it" hreflang="it" data-title="Settimana" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A9%D7%91%D7%95%D7%A2" title="שבוע – Hebrew" lang="he" hreflang="he" data-title="שבוע" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Saptawara" title="Saptawara – Javanese" lang="jv" hreflang="jv" data-title="Saptawara" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Kp%C9%A9ta%CA%8A" title="Kpɩtaʊ – Kabiye" lang="kbp" hreflang="kbp" data-title="Kpɩtaʊ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B5%E0%B2%BE%E0%B2%B0" title="ವಾರ – Kannada" lang="kn" hreflang="kn" data-title="ವಾರ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%AB%D0%B9%D1%8B%D0%BA%D1%8A" title="Ыйыкъ – Karachay-Balkar" lang="krc" hreflang="krc" data-title="Ыйыкъ" data-language-autonym="Къарачай-малкъар" data-language-local-name="Karachay-Balkar" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%95%E1%83%98%E1%83%A0%E1%83%90_(%E1%83%94%E1%83%A0%E1%83%97%E1%83%94%E1%83%A3%E1%83%9A%E1%83%98)" title="კვირა (ერთეული) – Georgian" lang="ka" hreflang="ka" data-title="კვირა (ერთეული)" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%90%D0%BF%D1%82%D0%B0" title="Апта – Kazakh" lang="kk" hreflang="kk" data-title="Апта" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Seythen" title="Seythen – Cornish" lang="kw" hreflang="kw" data-title="Seythen" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-rw mw-list-item"><a href="https://rw.wikipedia.org/wiki/Icyumweru" title="Icyumweru – Kinyarwanda" lang="rw" hreflang="rw" data-title="Icyumweru" data-language-autonym="Ikinyarwanda" data-language-local-name="Kinyarwanda" class="interlanguage-link-target"><span>Ikinyarwanda</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Juma" title="Juma – Swahili" lang="sw" hreflang="sw" data-title="Juma" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%92%D0%B5%D0%B6%D0%BE%D0%BD" title="Вежон – Komi" lang="kv" hreflang="kv" data-title="Вежон" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kg mw-list-item"><a href="https://kg.wikipedia.org/wiki/Mposo" title="Mposo – Kongo" lang="kg" hreflang="kg" data-title="Mposo" data-language-autonym="Kongo" data-language-local-name="Kongo" class="interlanguage-link-target"><span>Kongo</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Sem%C3%A8n" title="Semèn – Haitian Creole" lang="ht" hreflang="ht" data-title="Semèn" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Sim%C3%A8n" title="Simèn – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Simèn" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%90%D0%BF%D1%82%D0%B0" title="Апта – Kyrgyz" lang="ky" hreflang="ky" data-title="Апта" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lad mw-list-item"><a href="https://lad.wikipedia.org/wiki/Semana" title="Semana – Ladino" lang="lad" hreflang="lad" data-title="Semana" data-language-autonym="Ladino" data-language-local-name="Ladino" class="interlanguage-link-target"><span>Ladino</span></a></li><li class="interlanguage-link interwiki-lbe mw-list-item"><a href="https://lbe.wikipedia.org/wiki/%D0%9D%D1%8E%D0%B6%D0%BC%D0%B0%D1%80_(%D0%B0%D1%80%D1%83%D0%BB%D0%B2%D0%B0_%D0%B3%D1%8C%D0%B0%D0%BD%D1%82)" title="Нюжмар (арулва гьант) – Lak" lang="lbe" hreflang="lbe" data-title="Нюжмар (арулва гьант)" data-language-autonym="Лакку" data-language-local-name="Lak" class="interlanguage-link-target"><span>Лакку</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%AA%E0%BA%B1%E0%BA%9A%E0%BA%9B%E0%BA%B0%E0%BA%94%E0%BA%B2" title="ສັບປະດາ – Lao" lang="lo" hreflang="lo" data-title="ສັບປະດາ" data-language-autonym="ລາວ" data-language-local-name="Lao" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Hebdomas" title="Hebdomas – Latin" lang="la" hreflang="la" data-title="Hebdomas" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ned%C4%93%C4%BCa" title="Nedēļa – Latvian" lang="lv" hreflang="lv" data-title="Nedēļa" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%9D%D0%B8%D0%BA%D3%80%D0%B8" title="НикӀи – Lezghian" lang="lez" hreflang="lez" data-title="НикӀи" data-language-autonym="Лезги" data-language-local-name="Lezghian" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Savait%C4%97" title="Savaitė – Lithuanian" lang="lt" hreflang="lt" data-title="Savaitė" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/Mp%C9%94%CC%81s%C9%94" title="Mpɔ́sɔ – Lingala" lang="ln" hreflang="ln" data-title="Mpɔ́sɔ" data-language-autonym="Lingála" data-language-local-name="Lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Ned%C3%A4li" title="Nedäli – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Nedäli" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Setem%C3%A0na" title="Setemàna – Lombard" lang="lmo" hreflang="lmo" data-title="Setemàna" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/H%C3%A9t_(napt%C3%A1r)" title="Hét (naptár) – Hungarian" lang="hu" hreflang="hu" data-title="Hét (naptár)" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mai mw-list-item"><a href="https://mai.wikipedia.org/wiki/%E0%A4%B9%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE" title="हप्ता – Maithili" lang="mai" hreflang="mai" data-title="हप्ता" data-language-autonym="मैथिली" data-language-local-name="Maithili" class="interlanguage-link-target"><span>मैथिली</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%B4%D0%BC%D0%B8%D1%86%D0%B0" title="Седмица – Macedonian" lang="mk" hreflang="mk" data-title="Седмица" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Herinandro" title="Herinandro – Malagasy" lang="mg" hreflang="mg" data-title="Herinandro" data-language-autonym="Malagasy" data-language-local-name="Malagasy" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%86%E0%B4%B4%E0%B5%8D%E0%B4%9A" title="ആഴ്ച – Malayalam" lang="ml" hreflang="ml" data-title="ആഴ്ച" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%86%E0%A4%A0%E0%A4%B5%E0%A4%A1%E0%A4%BE" title="आठवडा – Marathi" lang="mr" hreflang="mr" data-title="आठवडा" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9B%E1%83%90%E1%83%A0%E1%83%90" title="მარა – Mingrelian" lang="xmf" hreflang="xmf" data-title="მარა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A7%D8%B3%D8%A8%D9%88%D8%B9" title="اسبوع – Egyptian Arabic" lang="arz" hreflang="arz" data-title="اسبوع" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wikipedia.org/wiki/%E1%80%9E%E1%80%90%E1%80%B9%E1%80%90%E1%80%AC%E1%80%9F" title="သတ္တာဟ – Mon" lang="mnw" hreflang="mnw" data-title="သတ္တာဟ" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target"><span>ဘာသာမန်</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%D9%87%D9%81%D8%AA%D9%87" title="هفته – Mazanderani" lang="mzn" hreflang="mzn" data-title="هفته" data-language-autonym="مازِرونی" data-language-local-name="Mazanderani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Minggu" title="Minggu – Malay" lang="ms" hreflang="ms" data-title="Minggu" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/L%C4%81%CC%A4-b%C3%A1i_(s%C3%AC-g%C4%83ng_d%C4%83ng-%C3%B4i)" title="Lā̤-bái (sì-găng dăng-ôi) – Mindong" lang="cdo" hreflang="cdo" data-title="Lā̤-bái (sì-găng dăng-ôi)" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%94%D0%BE%D0%BB%D0%BE%D0%BE_%D1%85%D0%BE%D0%BD%D0%BE%D0%B3" title="Долоо хоног – Mongolian" lang="mn" hreflang="mn" data-title="Долоо хоног" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Chic%C5%8Dnt%C5%8Dnalli" title="Chicōntōnalli – Nahuatl" lang="nah" hreflang="nah" data-title="Chicōntōnalli" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Macawa" title="Macawa – Fijian" lang="fj" hreflang="fj" data-title="Macawa" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="Fijian" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Week" title="Week – Dutch" lang="nl" hreflang="nl" data-title="Week" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nds-nl mw-list-item"><a href="https://nds-nl.wikipedia.org/wiki/Wekke" title="Wekke – Low Saxon" lang="nds-NL" hreflang="nds-NL" data-title="Wekke" data-language-autonym="Nedersaksies" data-language-local-name="Low Saxon" class="interlanguage-link-target"><span>Nedersaksies</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B9%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE" title="हप्ता – Nepali" lang="ne" hreflang="ne" data-title="हप्ता" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%83" title="वाः – Newari" lang="new" hreflang="new" data-title="वाः" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%80%B1" title="週 – Japanese" lang="ja" hreflang="ja" data-title="週" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%9A%D3%80%D0%B8%D1%80%D0%B0" title="КӀира – Chechen" lang="ce" hreflang="ce" data-title="КӀира" data-language-autonym="Нохчийн" data-language-local-name="Chechen" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Week" title="Week – Northern Frisian" lang="frr" hreflang="frr" data-title="Week" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ukedager" title="Ukedager – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Ukedager" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Veke" title="Veke – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Veke" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-nrm mw-list-item"><a href="https://nrm.wikipedia.org/wiki/Semanne" title="Semanne – Norman" lang="nrf" hreflang="nrf" data-title="Semanne" data-language-autonym="Nouormand" data-language-local-name="Norman" class="interlanguage-link-target"><span>Nouormand</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Setmana" title="Setmana – Occitan" lang="oc" hreflang="oc" data-title="Setmana" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B8%E0%AC%AA%E0%AD%8D%E0%AC%A4%E0%AC%BE%E0%AC%B9" title="ସପ୍ତାହ – Odia" lang="or" hreflang="or" data-title="ସପ୍ତାହ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Hafta" title="Hafta – Uzbek" lang="uz" hreflang="uz" data-title="Hafta" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B9%E0%A8%AB%E0%A8%BC%E0%A8%A4%E0%A8%BE" title="ਹਫ਼ਤਾ – Punjabi" lang="pa" hreflang="pa" data-title="ਹਫ਼ਤਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B3%D8%AA%D9%88%D8%A7%D8%B1%D8%A7" title="ستوارا – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ستوارا" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%A7%D9%88%D9%88%D9%86%DB%8D" title="اوونۍ – Pashto" lang="ps" hreflang="ps" data-title="اوونۍ" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pcd mw-list-item"><a href="https://pcd.wikipedia.org/wiki/Smaingne" title="Smaingne – Picard" lang="pcd" hreflang="pcd" data-title="Smaingne" data-language-autonym="Picard" data-language-local-name="Picard" class="interlanguage-link-target"><span>Picard</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Sman-a" title="Sman-a – Piedmontese" lang="pms" hreflang="pms" data-title="Sman-a" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-tpi mw-list-item"><a href="https://tpi.wikipedia.org/wiki/Wik" title="Wik – Tok Pisin" lang="tpi" hreflang="tpi" data-title="Wik" data-language-autonym="Tok Pisin" data-language-local-name="Tok Pisin" class="interlanguage-link-target"><span>Tok Pisin</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Week" title="Week – Low German" lang="nds" hreflang="nds" data-title="Week" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Tydzie%C5%84" title="Tydzień – Polish" lang="pl" hreflang="pl" data-title="Tydzień" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Semana" title="Semana – Portuguese" lang="pt" hreflang="pt" data-title="Semana" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-crh mw-list-item"><a href="https://crh.wikipedia.org/wiki/Afta" title="Afta – Crimean Tatar" lang="crh" hreflang="crh" data-title="Afta" data-language-autonym="Qırımtatarca" data-language-local-name="Crimean Tatar" class="interlanguage-link-target"><span>Qırımtatarca</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/S%C4%83pt%C4%83m%C3%A2n%C4%83" title="Săptămână – Romanian" lang="ro" hreflang="ro" data-title="Săptămână" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Simana" title="Simana – Quechua" lang="qu" hreflang="qu" data-title="Simana" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%A2%D1%8B%D0%B6%D0%B4%D0%B5%D0%BD%D1%8C" title="Тыждень – Rusyn" lang="rue" hreflang="rue" data-title="Тыждень" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B5%D0%B4%D0%B5%D0%BB%D1%8F" title="Неделя – Russian" lang="ru" hreflang="ru" data-title="Неделя" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9D%D1%8D%D0%B4%D0%B8%D1%8D%D0%BB%D1%8D" title="Нэдиэлэ – Yakut" lang="sah" hreflang="sah" data-title="Нэдиэлэ" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BE%E0%A4%B9%E0%A4%83" title="सप्ताहः – Sanskrit" lang="sa" hreflang="sa" data-title="सप्ताहः" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sat mw-list-item"><a href="https://sat.wikipedia.org/wiki/%E1%B1%A6%E1%B1%9F%E1%B1%AF%E1%B1%9B%E1%B1%9F" title="ᱦᱟᱯᱛᱟ – Santali" lang="sat" hreflang="sat" data-title="ᱦᱟᱯᱛᱟ" data-language-autonym="ᱥᱟᱱᱛᱟᱲᱤ" data-language-local-name="Santali" class="interlanguage-link-target"><span>ᱥᱟᱱᱛᱟᱲᱤ</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Chida" title="Chida – Sardinian" lang="sc" hreflang="sc" data-title="Chida" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Week" title="Week – Scots" lang="sco" hreflang="sco" data-title="Week" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Wiek" title="Wiek – Saterland Frisian" lang="stq" hreflang="stq" data-title="Wiek" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/Beke" title="Beke – Northern Sotho" lang="nso" hreflang="nso" data-title="Beke" data-language-autonym="Sesotho sa Leboa" data-language-local-name="Northern Sotho" class="interlanguage-link-target"><span>Sesotho sa Leboa</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Java_(kalendar)" title="Java (kalendar) – Albanian" lang="sq" hreflang="sq" data-title="Java (kalendar)" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%83%E0%B7%94%E0%B6%B8%E0%B7%8F%E0%B6%B1%E0%B6%BA" title="සුමානය – Sinhala" lang="si" hreflang="si" data-title="සුමානය" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Week" title="Week – Simple English" lang="en-simple" hreflang="en-simple" data-title="Week" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%BE%D9%81%D8%AA%D9%88" title="ھفتو – Sindhi" lang="sd" hreflang="sd" data-title="ھفتو" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/T%C3%BD%C5%BEde%C5%88" title="Týždeň – Slovak" lang="sk" hreflang="sk" data-title="Týždeň" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Teden" title="Teden – Slovenian" lang="sl" hreflang="sl" data-title="Teden" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D0%A1%D1%94%D0%B4%D0%BC%D0%B8%D1%86%D0%B0" title="Сєдмица – Church Slavic" lang="cu" hreflang="cu" data-title="Сєдмица" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="Church Slavic" class="interlanguage-link-target"><span>Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Tyd%C5%BAy%C5%84" title="Tydźyń – Silesian" lang="szl" hreflang="szl" data-title="Tydźyń" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Todobaad" title="Todobaad – Somali" lang="so" hreflang="so" data-title="Todobaad" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%BE%DB%95%D9%81%D8%AA%DB%95" title="ھەفتە – Central Kurdish" lang="ckb" hreflang="ckb" data-title="ھەفتە" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D0%B5%D0%B4%D0%BC%D0%B8%D1%86%D0%B0" title="Седмица – Serbian" lang="sr" hreflang="sr" data-title="Седмица" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Sedmica" title="Sedmica – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Sedmica" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Viikko" title="Viikko – Finnish" lang="fi" hreflang="fi" data-title="Viikko" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Vecka" title="Vecka – Swedish" lang="sv" hreflang="sv" data-title="Vecka" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Linggo_(panahon)" title="Linggo (panahon) – Tagalog" lang="tl" hreflang="tl" data-title="Linggo (panahon)" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%B4%E0%AE%AE%E0%AF%88" title="கிழமை – Tamil" lang="ta" hreflang="ta" data-title="கிழமை" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Imalas" title="Imalas – Kabyle" lang="kab" hreflang="kab" data-title="Imalas" data-language-autonym="Taqbaylit" data-language-local-name="Kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%90%D1%82%D0%BD%D0%B0" title="Атна – Tatar" lang="tt" hreflang="tt" data-title="Атна" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B5%E0%B0%BE%E0%B0%B0%E0%B0%82" title="వారం – Telugu" lang="te" hreflang="te" data-title="వారం" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%B1%E0%B8%9B%E0%B8%94%E0%B8%B2%E0%B8%AB%E0%B9%8C" title="สัปดาห์ – Thai" lang="th" hreflang="th" data-title="สัปดาห์" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D2%B2%D0%B0%D1%84%D1%82%D0%B0" title="Ҳафта – Tajik" lang="tg" hreflang="tg" data-title="Ҳафта" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Hafta" title="Hafta – Turkish" lang="tr" hreflang="tr" data-title="Hafta" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Hepde" title="Hepde – Turkmen" lang="tk" hreflang="tk" data-title="Hepde" data-language-autonym="Türkmençe" data-language-local-name="Turkmen" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-kcg mw-list-item"><a href="https://kcg.wikipedia.org/wiki/Sati" title="Sati – Tyap" lang="kcg" hreflang="kcg" data-title="Sati" data-language-autonym="Tyap" data-language-local-name="Tyap" class="interlanguage-link-target"><span>Tyap</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%A7%D0%B5%D0%B4%D0%B8%D0%BB%D0%B8%D0%BA" title="Чедилик – Tuvinian" lang="tyv" hreflang="tyv" data-title="Чедилик" data-language-autonym="Тыва дыл" data-language-local-name="Tuvinian" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A2%D0%B8%D0%B6%D0%B4%D0%B5%D0%BD%D1%8C" title="Тиждень – Ukrainian" lang="uk" hreflang="uk" data-title="Тиждень" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DB%81%D9%81%D8%AA%DB%81_(%D9%88%D9%82%D8%AA_%DA%A9%DB%8C_%D8%A7%DA%A9%D8%A7%D8%A6%DB%8C)" title="ہفتہ (وقت کی اکائی) – Urdu" lang="ur" hreflang="ur" data-title="ہفتہ (وقت کی اکائی)" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%DA%BE%DB%95%D9%BE%D8%AA%DB%95" title="ھەپتە – Uyghur" lang="ug" hreflang="ug" data-title="ھەپتە" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Nedal%27" title="Nedal' – Veps" lang="vep" hreflang="vep" data-title="Nedal'" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Tu%E1%BA%A7n" title="Tuần – Vietnamese" lang="vi" hreflang="vi" data-title="Tuần" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vo mw-list-item"><a href="https://vo.wikipedia.org/wiki/Vig" title="Vig – Volapük" lang="vo" hreflang="vo" data-title="Vig" data-language-autonym="Volapük" data-language-local-name="Volapük" class="interlanguage-link-target"><span>Volapük</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/N%C3%A4t%C3%A4l" title="Nätäl – Võro" lang="vro" hreflang="vro" data-title="Nätäl" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Samwinne" title="Samwinne – Walloon" lang="wa" hreflang="wa" data-title="Samwinne" data-language-autonym="Walon" data-language-local-name="Walloon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E6%98%9F%E6%9C%9F" title="星期 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="星期" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Semana" title="Semana – Waray" lang="war" hreflang="war" data-title="Semana" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wo mw-list-item"><a href="https://wo.wikipedia.org/wiki/Ayub%C3%A9s" title="Ayubés – Wolof" lang="wo" hreflang="wo" data-title="Ayubés" data-language-autonym="Wolof" data-language-local-name="Wolof" class="interlanguage-link-target"><span>Wolof</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%A4%BC%E6%8B%9C" title="礼拜 – Wu" lang="wuu" hreflang="wuu" data-title="礼拜" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%95%D7%95%D7%90%D6%B8%D7%9A" title="וואָך – Yiddish" lang="yi" hreflang="yi" data-title="וואָך" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/%E1%BB%8C%CC%80s%E1%BA%B9%CC%80" title="Ọ̀sẹ̀ – Yoruba" lang="yo" hreflang="yo" data-title="Ọ̀sẹ̀" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%98%9F%E6%9C%9F" title="星期 – Cantonese" lang="yue" hreflang="yue" data-title="星期" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Hefte" title="Hefte – Dimli" lang="diq" hreflang="diq" data-title="Hefte" data-language-autonym="Zazaki" data-language-local-name="Dimli" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-zea mw-list-item"><a href="https://zea.wikipedia.org/wiki/Weke" title="Weke – Zeelandic" lang="zea" hreflang="zea" data-title="Weke" data-language-autonym="Zeêuws" data-language-local-name="Zeelandic" class="interlanguage-link-target"><span>Zeêuws</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Nediel%C4%97" title="Nedielė – Samogitian" lang="sgs" hreflang="sgs" data-title="Nedielė" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%98%9F%E6%9C%9F" title="星期 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Moroccan Tamazight" lang="zgh" hreflang="zgh" data-title="ⵉⵎⴰⵍⴰⵙⵙ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="Standard Moroccan Tamazight" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q23387#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Week" title="View the content page [c]" 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class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Time unit equal to seven days</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Week_(disambiguation)" class="mw-disambig" title="Week (disambiguation)">Week (disambiguation)</a>, <a href="/wiki/Weeks_(disambiguation)" class="mw-disambig" title="Weeks (disambiguation)">Weeks (disambiguation)</a>, and <a href="/wiki/Weekly_(disambiguation)" class="mw-redirect mw-disambig" title="Weekly (disambiguation)">Weekly (disambiguation)</a>.</div> <p class="mw-empty-elt"> </p><p>A <b>week</b> is a unit of time equal to seven <a href="/wiki/Day" title="Day">days</a>. It is the standard time period used for short cycles of days in most parts of the world. The days are often used to indicate common work days and rest days, as well as days of <a href="/wiki/Worship" title="Worship">worship</a>. Weeks are often mapped against <a href="/wiki/Year" title="Year">yearly</a> <a href="/wiki/Calendar" title="Calendar">calendars</a>. There are just over 52 weeks in a year. The term "week" may also be used to refer to a sub-section of the week, such as the <a href="/wiki/Workweek_and_weekend" title="Workweek and weekend">workweek and weekend</a>. </p><p>Ancient cultures had different "week" lengths, including ten in Egypt and an eight-day week for <a href="/wiki/Etruscan_civilization" title="Etruscan civilization">Etruscans</a>. The Etruscan week was adopted by the <a href="/wiki/Ancient_Rome" title="Ancient Rome">ancient Romans</a>, but they later moved to a seven-day week, which had spread across Western Asia and the Eastern Mediterranean due to the influence of the Christian seven-day week, which is rooted in the <a href="/wiki/Jews" title="Jews">Jewish</a> seven-day week. In AD 321, Emperor <a href="/wiki/Constantine_the_Great" title="Constantine the Great">Constantine the Great</a> officially decreed a seven-day week in the Roman Empire, including making Sunday a public holiday.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> This later spread across Europe, then the rest of the world. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/File:First_Day_of_Week_World_Map.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/First_Day_of_Week_World_Map.svg/350px-First_Day_of_Week_World_Map.svg.png" decoding="async" width="350" height="178" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/First_Day_of_Week_World_Map.svg/525px-First_Day_of_Week_World_Map.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/First_Day_of_Week_World_Map.svg/700px-First_Day_of_Week_World_Map.svg.png 2x" data-file-width="2754" data-file-height="1398" /></a><figcaption>World map showing the first day of the week used in different countries according to the <a href="/wiki/Common_Locale_Data_Repository" title="Common Locale Data Repository">Common Locale Data Repository</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#fdc086; color:black;-webkit-print-color-adjust: exact; print-color-adjust: exact;"> </span> Monday</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959" /><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#f0027f; color:black;-webkit-print-color-adjust: exact; print-color-adjust: exact;"> </span> Friday</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959" /><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#6fa96f; color:black;-webkit-print-color-adjust: exact; print-color-adjust: exact;"> </span> Saturday</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959" /><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#386cb0; color:white;-webkit-print-color-adjust: exact; print-color-adjust: exact;"> </span> Sunday</div></figcaption></figure> <p>In English, the <a href="/wiki/Names_of_the_days_of_the_week" title="Names of the days of the week">names of the days of the week</a> are <a href="/wiki/Monday" title="Monday">Monday</a>, <a href="/wiki/Tuesday" title="Tuesday">Tuesday</a>, <a href="/wiki/Wednesday" title="Wednesday">Wednesday</a>, <a href="/wiki/Thursday" title="Thursday">Thursday</a>, <a href="/wiki/Friday" title="Friday">Friday</a>, <a href="/wiki/Saturday" title="Saturday">Saturday</a> and <a href="/wiki/Sunday" title="Sunday">Sunday</a>. In many languages, including English, the days of the week are named after gods or <a href="/wiki/Classical_planet" title="Classical planet">classical planets</a>. Saturday has kept its Roman name, while the other six days use Germanic equivalents. Such a week may be called a <i>planetary week</i> (i.e., a classical planetary week).<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Certain weeks within a <a href="/wiki/Year" title="Year">year</a> may be designated for a particular purpose, such as <a href="/wiki/Golden_Week_(China)" title="Golden Week (China)">Golden Week in China</a> and <a href="/wiki/Golden_Week_(Japan)" title="Golden Week (Japan)">Japan</a>, and <a href="/wiki/National_Family_Week" title="National Family Week">National Family Week</a> in Canada. More informally, certain groups may advocate <a href="/wiki/Awareness_week" class="mw-redirect" title="Awareness week">awareness weeks</a>, which are designed to draw attention to a certain subject or cause. </p><p>Cultures vary in which days of the week are designated the first and the last, though virtually all have Saturday, Sunday or Monday as the first day. The <a href="/wiki/Geneva" title="Geneva">Geneva</a>-based ISO standards organization uses Monday as the first day of the week in its <a href="/wiki/ISO_week_date" title="ISO week date">ISO week date</a> system through the international <a href="/wiki/ISO_8601" title="ISO 8601">ISO 8601</a> standard.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> Most of Europe and China consider Monday the first day of the (work) week, while North America, South Asia, and many Catholic and Protestant countries, consider Sunday the first day of the week. It is also the first day of the week in almost all of the Arabic speaking countries. This is culturally and historically the case since in Arabic Sunday is referred to as "Yaom Al'Ahad" which literally means "The first day".<sup id="cite_ref-Days_of_the_week_in_Arabic_Language_6-0" class="reference"><a href="#cite_note-Days_of_the_week_in_Arabic_Language-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Other regions are mixed, but typically observe either Sunday or Monday as the first day.<sup id="cite_ref-firstday_8-0" class="reference"><a href="#cite_note-firstday-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The three <a href="/wiki/Abrahamic_religions" title="Abrahamic religions">Abrahamic religions</a> observe different days of the week as their holy day. <a href="/wiki/Jews" title="Jews">Jews</a> observe their <a href="/wiki/Sabbath" title="Sabbath">Sabbath</a> (<a href="/wiki/Shabbat" title="Shabbat">Shabbat</a>) on Saturday, the seventh day, from sundown Friday to sundown Saturday, in honor of God's <a href="/wiki/Genesis_creation_narrative" title="Genesis creation narrative">creation</a> of the world in six days and then resting on the seventh.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2024)">citation needed</span></a></i>]</sup> Most <a href="/wiki/Christians" title="Christians">Christians</a> observe Sunday (the <a href="/wiki/Lord%27s_Day" title="Lord's Day">Lord's Day</a>), the first day of the week in traditional Christian calendars, in honor of the <a href="/wiki/Resurrection_of_Jesus" title="Resurrection of Jesus">resurrection of Jesus</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2024)">citation needed</span></a></i>]</sup> <a href="/wiki/Muslims" title="Muslims">Muslims</a> observe their <a href="/wiki/Sabbath#Islam" title="Sabbath">"day of congregation"</a>, known as <span title="Arabic-language romanization"><i lang="ar-Latn">yaum al-<a href="/wiki/Jumu%27ah" class="mw-redirect" title="Jumu'ah">jum`ah</a></i></span>, on Friday because it was described as a sacred day of congregational worship in the <a href="/wiki/Quran" title="Quran">Quran</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Name">Name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=1" title="Edit section: Name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span class="anchor" id="Etymology"></span><span class="anchor" id="Names"></span> The English word <i><a href="https://en.wiktionary.org/wiki/week" class="extiw" title="wikt:week">week</a></i> comes from the <a href="/wiki/Old_English" title="Old English">Old English</a> <span title="Old English (ca. 450-1100)-language text"><i lang="ang">wice</i></span>, ultimately from a <a href="/wiki/Common_Germanic" class="mw-redirect" title="Common Germanic">Common Germanic</a> <i><span title="Proto-Germanic-language text">*<i lang="gem">wikōn-</i></span></i>, from a root <i><span title="Proto-Germanic-language text">*<i lang="gem">wik-</i></span></i> "turn, move, change". The Germanic word probably had a wider meaning prior to the adoption of the <a href="/wiki/Roman_calendar" title="Roman calendar">Roman calendar</a>, perhaps "succession series", as suggested by <a href="/wiki/Gothic_language" title="Gothic language">Gothic</a> <span title="Gothic-language text"><i lang="got">wikō</i></span> translating <span title="Ancient Greek (to 1453)-language text"><i lang="grc">taxis</i></span> "order" in <a href="/wiki/Gospel_of_Luke" title="Gospel of Luke">Luke</a> 1:8. </p><p>The seven-day week is named in many languages by a word derived from "seven". The <a href="/wiki/Archaism" title="Archaism">archaism</a> <b>sennight</b> ("seven-night") preserves the old Germanic practice of reckoning time by nights, as in the more common <i><a href="/wiki/Fortnight" title="Fortnight">fortnight</a></i> ("fourteen-night").<sup id="cite_ref-worldwidewords_10-0" class="reference"><a href="#cite_note-worldwidewords-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> <b>Hebdomad</b> and <b>hebdomadal week</b> both derive from the <a href="/wiki/Koine_Greek" title="Koine Greek">Greek</a> <span title="Ancient Greek (to 1453)-language text"><i lang="grc">hebdomás</i></span> (<span title="Ancient Greek (to 1453)-language text"><span lang="grc"><a href="https://en.wiktionary.org/wiki/%E1%BC%91%CE%B2%CE%B4%CE%BF%CE%BC%CE%AC%CF%82" class="extiw" title="wikt:ἑβδομάς">ἑβδομάς</a></span></span>, "a seven"). <b>Septimana</b> is cognate with the <a href="/wiki/Romance_languages" title="Romance languages">Romance</a> terms derived from <a href="/wiki/Latin" title="Latin">Latin</a> <span title="Latin-language text"><i lang="la"><a href="https://en.wiktionary.org/wiki/septimana" class="extiw" title="wikt:septimana">septimana</a></i></span> ("seven mornings"). </p><p>Slavic has a formation <a href="https://en.wiktionary.org/wiki/Reconstruction:Proto-Slavic/t%D1%8Ad%D1%8Cn%D1%8C" class="extiw" title="wikt:Reconstruction:Proto-Slavic/tъdьnь">*tъ(žь)dьnь</a> (Croatian <span title="Croatian-language text"><i lang="hr">tjedan</i></span>, Ukrainian <span title="Ukrainian-language text"><span lang="uk">тиждень</span></span>, <span title="Ukrainian-language romanization"><i lang="uk-Latn">tyzhden</i></span>, Czech <span title="Czech-language text"><i lang="cs">týden</i></span>, Polish <span title="Polish-language text"><i lang="pl">tydzień</i></span>), from *tъ "this" + *dьnь "day". Chinese has <span title="Chinese-language text"><span lang="zh"><a href="https://en.wiktionary.org/wiki/%E6%98%9F%E6%9C%9F" class="extiw" title="wikt:星期">星期</a></span></span>, as it were "<a href="https://en.wiktionary.org/wiki/%E6%98%9F" class="extiw" title="wikt:星">planetary</a> <a href="https://en.wiktionary.org/wiki/%E6%9C%9F" class="extiw" title="wikt:期">time unit</a>". An older Chinese form is <span title="Chinese-language text"><span lang="zh"><a href="https://en.wiktionary.org/wiki/%E7%A6%AE%E6%8B%9C" class="extiw" title="wikt:禮拜">禮拜</a></span></span>, meaning "week, religious ceremony." </p> <div class="mw-heading mw-heading2"><h2 id="Definition_and_duration">Definition and duration</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=2" title="Edit section: Definition and duration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A week is defined as an interval of exactly seven <a href="/wiki/Day" title="Day">days</a>,<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> so that, except when passing through <a href="/wiki/Daylight_saving_time" title="Daylight saving time">daylight saving time</a> transitions or <a href="/wiki/Leap_second" title="Leap second">leap seconds</a>, </p> <dl><dd>1 week = 7 days = 168 hours = 10,080 minutes = 604,800 seconds.</dd></dl> <p>With respect to the <a href="/wiki/Gregorian_calendar" title="Gregorian calendar">Gregorian calendar</a>: </p> <ul><li>1 Gregorian calendar year = 52 weeks + 1 day (2 days in a <a href="/wiki/Leap_year" title="Leap year">leap year</a>)</li> <li>1 week = <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="frac"><span class="num">1600</span>⁄<span class="den">6957</span></span> ≈ 22.9984% of an average Gregorian month</li></ul> <p>In a <a href="/wiki/Gregorian_calendar" title="Gregorian calendar">Gregorian</a> mean year, there are 365.2425 days, and thus exactly <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027" /><span class="frac">52<span class="sr-only">+</span><span class="num">71</span>⁄<span class="den">400</span></span> or 52.1775 weeks (unlike the <a href="/wiki/Julian_year_(calendar)" class="mw-redirect" title="Julian year (calendar)">Julian year</a> of 365.25 days or <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027" /><span class="frac">52<span class="sr-only">+</span><span class="num">5</span>⁄<span class="den">28</span></span> ≈ 52.1786 weeks). There are exactly 20,871 weeks in 400 Gregorian years, so 6 April 1625 was a Sunday just as was 6 April 2025. </p><p>Relative to the path of the <a href="/wiki/Moon" title="Moon">Moon</a>, a week is 23.659% of an average <a href="/wiki/Lunation" class="mw-redirect" title="Lunation">lunation</a> or 94.637% of an average quarter lunation. </p><p>Historically, the system of <a href="/wiki/Dominical_letter" title="Dominical letter">dominical letters</a> (letters A to G identifying the weekday of the first day of a given year) has been used to facilitate <a href="/wiki/Determination_of_the_day_of_the_week" title="Determination of the day of the week">calculation of the day of week</a>. The day of the week can be easily calculated given a date's <a href="/wiki/Julian_day_number" class="mw-redirect" title="Julian day number">Julian day number</a> (JD, i.e. the integer value at <a href="/wiki/Noon" title="Noon">noon</a> <a href="/wiki/Universal_Time" title="Universal Time">UT</a>): Adding one to the <a href="/wiki/Remainder" title="Remainder">remainder</a> after dividing the Julian day number by seven (JD <i><a href="/wiki/Modulo_operation" class="mw-redirect" title="Modulo operation">modulo</a></i> 7 + 1) yields that date's <a href="/wiki/ISO_8601" title="ISO 8601">ISO 8601</a> day of the week. For example, the Julian day number of 6 April 2025 is 2460772. Calculating <span class="texhtml">2460772 mod 7 + 1</span> yields 7, corresponding to Sunday.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> In 1973, <a href="/wiki/John_Horton_Conway" title="John Horton Conway">John Conway</a> devised the <a href="/wiki/Doomsday_rule" title="Doomsday rule">Doomsday rule</a> for mental calculation of the weekday of any date in any year. </p> <div class="mw-heading mw-heading2"><h2 id="Days_of_the_week">Days of the week</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=3" title="Edit section: Days of the week"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Names_of_the_days_of_the_week" title="Names of the days of the week">Names of the days of the week</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Italian_-_Bracelet_-_Walters_41269.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Italian_-_Bracelet_-_Walters_41269.jpg/500px-Italian_-_Bracelet_-_Walters_41269.jpg" decoding="async" width="390" height="77" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Italian_-_Bracelet_-_Walters_41269.jpg/960px-Italian_-_Bracelet_-_Walters_41269.jpg 1.5x" data-file-width="1446" data-file-height="286" /></a><figcaption>An Italian <a href="/wiki/Cameo_(carving)" title="Cameo (carving)">cameo</a> bracelet representing the days of the week by their eponymous deities (mid-19th century, <a href="/wiki/Walters_Art_Museum" title="Walters Art Museum">Walters Art Museum</a>)</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Weekday_heptagram.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Weekday_heptagram.svg/250px-Weekday_heptagram.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Weekday_heptagram.svg/330px-Weekday_heptagram.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Weekday_heptagram.svg/440px-Weekday_heptagram.svg.png 2x" data-file-width="400" data-file-height="400" /></a><figcaption>Schematic comparison of the ordering of the classical planets (arranged in a circle) and the sequence of days in the week (forming a {7/3} <a href="/wiki/Heptagram" title="Heptagram">heptagram</a> within the circle).</figcaption></figure> <p>The days of the week were named for the seven <a href="/wiki/Classical_planet" title="Classical planet">classical planets</a>, which included the Sun and Moon. This naming system persisted alongside an "ecclesiastical" tradition of numbering the days in <a href="/wiki/Ecclesiastical_Latin" title="Ecclesiastical Latin">ecclesiastical Latin</a> beginning with <i>Dominica</i> (the <a href="/wiki/Lord%27s_Day" title="Lord's Day">Lord's Day</a>) as the first day. The Greco-Roman gods associated with the classical planets were rendered in their <i><a href="/wiki/Interpretatio_germanica" title="Interpretatio germanica">interpretatio germanica</a></i> at some point during the late Roman Empire, yielding the Germanic tradition of names based on indigenous deities. </p><p>The ordering of the weekday names is not the classical order of the planets (by distance in the <a href="/wiki/Planetary_spheres" class="mw-redirect" title="Planetary spheres">planetary spheres</a> model, which is Moon, Mercury, Venus, Sun, Mars, Jupiter, Saturn; nor, equivalently, by their apparent speed of movement in the night sky). Instead, the <a href="/wiki/Planetary_hours" title="Planetary hours">planetary hours</a> systems resulted in succeeding days being named for planets that are three places apart in their traditional listing. This characteristic was apparently discussed in <a href="/wiki/Plutarch" title="Plutarch">Plutarch</a> in a treatise written in c. 100 CE, which is reported to have addressed the question of <i>Why are the days named after the planets reckoned in a different order from the actual order?</i> (the text of Plutarch's treatise has been lost).<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Dio_Cassius" class="mw-redirect" title="Dio Cassius">Dio Cassius</a> (early 3rd century) gives two explanations in a section of his <i>Historia Romana</i> after mentioning the Jewish practice of sanctifying the day called the day of <a href="/wiki/Cronus" title="Cronus">Kronos</a> (Saturday).<sup id="cite_ref-Dio_14-0" class="reference"><a href="#cite_note-Dio-14"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <tbody><tr> <td></td> <td><a href="/wiki/Sunday" title="Sunday">Sunday</a></td> <td><a href="/wiki/Monday" title="Monday">Monday</a></td> <td><a href="/wiki/Tuesday" title="Tuesday">Tuesday</a></td> <td><a href="/wiki/Wednesday" title="Wednesday">Wednesday</a></td> <td><a href="/wiki/Thursday" title="Thursday">Thursday</a></td> <td><a href="/wiki/Friday" title="Friday">Friday</a></td> <td><a href="/wiki/Saturday" title="Saturday">Saturday</a> </td></tr> <tr> <td>Planet </td> <td><a href="/wiki/Planets_in_astrology#Sun" title="Planets in astrology">Sun</a> </td> <td><a href="/wiki/Moon_(astrology)" class="mw-redirect" title="Moon (astrology)">Moon</a> </td> <td><a href="/wiki/Mars_(astrology)" class="mw-redirect" title="Mars (astrology)">Mars</a> </td> <td><a href="/wiki/Mercury_(astrology)" class="mw-redirect" title="Mercury (astrology)">Mercury</a> </td> <td><a href="/wiki/Jupiter_(astrology)" class="mw-redirect" title="Jupiter (astrology)">Jupiter</a> </td> <td><a href="/wiki/Venus_(astrology)" class="mw-redirect" title="Venus (astrology)">Venus</a> </td> <td><a href="/wiki/Saturn_(astrology)" class="mw-redirect" title="Saturn (astrology)">Saturn</a> </td></tr> <tr> <td>Greco-Roman deity </td> <td><a href="/wiki/Helios" title="Helios">Helios</a>-<a href="/wiki/Sol_(Roman_mythology)" title="Sol (Roman mythology)">Sol</a> </td> <td><a href="/wiki/Selene" title="Selene">Selene</a>-<a href="/wiki/Luna_(goddess)" title="Luna (goddess)">Luna</a> </td> <td><a href="/wiki/Ares" title="Ares">Ares</a>-<a href="/wiki/Mars_(mythology)" title="Mars (mythology)">Mars</a> </td> <td><a href="/wiki/Hermes" title="Hermes">Hermes</a>-<a href="/wiki/Mercury_(mythology)" title="Mercury (mythology)">Mercury</a> </td> <td><a href="/wiki/Zeus" title="Zeus">Zeus</a>-<a href="/wiki/Iuppiter" class="mw-redirect" title="Iuppiter">Jupiter</a> </td> <td><a href="/wiki/Aphrodite" title="Aphrodite">Aphrodite</a>-<a href="/wiki/Venus_(mythology)" title="Venus (mythology)">Venus</a> </td> <td><a href="/wiki/Cronus" title="Cronus">Cronus</a>-<a href="/wiki/Saturn_(mythology)" title="Saturn (mythology)">Saturn</a> </td></tr> <tr> <td><a href="/wiki/Koine_Greek" title="Koine Greek">Greek</a>:<sup id="cite_ref-Dio_14-1" class="reference"><a href="#cite_note-Dio-14"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Ἡλίου</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Σελήνης</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Ἄρεως</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Ἑρμοῦ</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Διός</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Ἀφροδίτης</span></span> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">ἡμέρα Κρόνου</span></span> </td></tr> <tr> <td><a href="/wiki/Classical_Latin" title="Classical Latin">Latin</a>: </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Solis" class="extiw" title="la:Dies Solis">dies Sōlis</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Lunae" class="extiw" title="la:Dies Lunae">dies Lūnae</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Martis" class="extiw" title="la:Dies Martis">dies Martis</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Mercurii" class="extiw" title="la:Dies Mercurii">dies Mercuriī</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Iovis" class="extiw" title="la:Dies Iovis">dies Iovis</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Veneris" class="extiw" title="la:Dies Veneris">dies Veneris</a></i></span> </td> <td><span title="Latin-language text"><i lang="la"><a href="https://la.wikipedia.org/wiki/Dies_Saturni" class="extiw" title="la:Dies Saturni">dies Saturnī</a></i></span> </td></tr> <tr> <td><span title="Latin-language text"><i lang="la"><a href="/wiki/Interpretatio_germanica" title="Interpretatio germanica">interpretatio germanica</a></i></span> </td> <td><a href="/wiki/S%C3%B3l_(Norse_mythology)" class="mw-redirect" title="Sól (Norse mythology)">Sun</a></td> <td><a href="/wiki/M%C3%A1ni" title="Máni">Moon</a></td> <td><a href="/wiki/T%C3%BDr" title="Týr">Tiwaz</a></td> <td><a href="/wiki/Wodanaz" class="mw-redirect" title="Wodanaz">Wodanaz</a></td> <td><a href="/wiki/Donar" class="mw-redirect" title="Donar">Þunraz</a></td> <td><a href="/wiki/Frige" class="mw-redirect" title="Frige">Frige</a></td> <td>— </td></tr> <tr> <td><a href="/wiki/Old_English" title="Old English">Old English</a></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">sunnandæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">mōnandæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">tiwesdæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">wōdnesdæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">þunresdæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">frīgedæg</i></span></td> <td><span title="Old English (ca. 450-1100)-language text"><i lang="ang">sæterndæg</i></span> </td></tr> <tr> <td><a href="/wiki/Indian_religions" title="Indian religions">Indian</a> <a href="/wiki/Navagraha" title="Navagraha">Navagraha</a> </td> <td><a href="/wiki/Surya" title="Surya">Suryavāra/</a> <p><a href="/wiki/Ravivar" class="mw-redirect" title="Ravivar">Ravivāra/Bhānuvāsara/</a><a href="/wiki/Sunday" title="Sunday">Ādityavāra</a> </p> </td> <td><a href="/wiki/Chandra" title="Chandra">Chandravāra/</a> <p><a href="/wiki/Chandra" title="Chandra">Somavāra/</a> </p><p>Induvāsara </p> </td> <td><a href="/wiki/Mangala" title="Mangala">Mangalav</a>āra/ Bhaumavāsara</td> <td><a href="/wiki/Budha" title="Budha">Budhav</a>āra/ <p>Saumyavāsara </p> </td> <td><a href="/wiki/B%E1%B9%9Bhaspati" class="mw-redirect" title="Bṛhaspati">Guruvāra</a>/<a href="/wiki/B%E1%B9%9Bhaspati" class="mw-redirect" title="Bṛhaspati">Bṛhaspativ</a>āsara </td> <td><a href="/wiki/Shukra" title="Shukra">Shukrav</a>āra/ <a href="/wiki/B%E1%B9%9Bhaspati" class="mw-redirect" title="Bṛhaspati">Bhṛguvāsara</a></td> <td><a href="/wiki/Shani" title="Shani">Shaniv</a>āra/ <p>Sthiravāsara </p> </td></tr></tbody></table> <p>An ecclesiastical, non-astrological, system of numbering the days of the week was adopted in Late Antiquity. This model also seems to have influenced (presumably via <a href="/wiki/Gothic_Christianity" title="Gothic Christianity">Gothic</a>) the designation of Wednesday as "mid-week" in <a href="/wiki/Old_High_German" title="Old High German">Old High German</a> (<span title="Old High German (ca. 750-1050)-language text"><i lang="goh">mittawehha</i></span>) and <a href="/wiki/Old_Church_Slavonic" title="Old Church Slavonic">Old Church Slavonic</a> (<span title="Church Slavonic-language text"><span lang="cu">срѣда</span></span>, srěda, literally, <i>middle day</i>). Old Church Slavonic may have also modeled the name of Monday, <span title="Church Slavonic-language text"><span lang="cu">понєдѣльникъ</span></span> (literally, '"the day after Sunday<i>), after the Latin <span title="Latin-language text"><i lang="la">feria Secunda</i></span>.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </i> </p><p>The ecclesiastical system became prevalent in <a href="/wiki/Eastern_Christianity" title="Eastern Christianity">Eastern Christianity</a>, but in the <a href="/wiki/Latin_Christianity" class="mw-redirect" title="Latin Christianity">Latin West</a> it remains extant only in modern <a href="/wiki/Icelandic_language" title="Icelandic language">Icelandic</a>, <a href="/wiki/Galician_language" title="Galician language">Galician</a>, and <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a>.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <tbody><tr> <td></td> <td>"First Day" or<br /> "Lord's Day" <br />(<a href="/wiki/Sunday" title="Sunday">Sunday</a>)</td> <td>"Second Day" <br />(<a href="/wiki/Monday" title="Monday">Monday</a>)</td> <td>"Third Day" <br />(<a href="/wiki/Tuesday" title="Tuesday">Tuesday</a>)</td> <td>"Fourth Day" <br />(<a href="/wiki/Wednesday" title="Wednesday">Wednesday</a>)</td> <td>"Fifth Day" <br />(<a href="/wiki/Thursday" title="Thursday">Thursday</a>)</td> <td>"Sixth Day" <br />(<a href="/wiki/Friday" title="Friday">Friday</a>)</td> <td>"Seventh Day" or<br /> "Sabbath" <br />(<a href="/wiki/Saturday" title="Saturday">Saturday</a>) </td></tr> <tr> <td><a href="/wiki/Byzantine_Greek" class="mw-redirect" title="Byzantine Greek">Greek</a> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Κυριακὴ ἡμέρα</span></span><br />/kiriaki iméra/ </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Δευτέρα ἡμέρα</span></span><br />/devtéra iméra/ </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Τρίτη ἡμέρα</span></span><br />/tríti iméra/ </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Τετάρτη ἡμέρα</span></span><br />/tetárti iméra/ </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Πέμπτη ἡμέρα</span></span><br />/pémpti iméra/ </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Παρασκευὴ ἡμέρα</span></span><br />/paraskevi iméra/<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </td> <td><span title="Ancient Greek (to 1453)-language text"><span lang="grc">Σάββατον</span></span><br />/sáb:aton/ </td></tr> <tr> <td><a href="/wiki/Ecclesiastical_Latin" title="Ecclesiastical Latin">Latin</a> </td> <td><span title="Latin-language text"><i lang="la">[dies] dominica</i></span>;<br />rarely <span title="Latin-language text"><i lang="la">feria prima, feria dominica</i></span> </td> <td><span title="Latin-language text"><i lang="la">feria secunda</i></span> </td> <td><span title="Latin-language text"><i lang="la">feria tertia</i></span> </td> <td><span title="Latin-language text"><i lang="la">feria quarta</i></span>;<br />rarely <span title="Latin-language text"><i lang="la">media septimana</i></span> </td> <td><span title="Latin-language text"><i lang="la">feria quinta</i></span> </td> <td><span title="Latin-language text"><i lang="la">feria sexta</i></span> </td> <td><span title="Latin-language text"><i lang="la">Sabbatum; dies sabbatinus, dies Sabbati</i></span>;<br /> rarely <span title="Latin-language text"><i lang="la">feria septima, feria Sabbati</i></span> </td></tr> <tr> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a> </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום ראשון</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom rishon</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'first day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום שני</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom sheni</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'second day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום שלישי</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom shlishi</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'third day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום רביעי</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom revi'i</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'fourth day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום חמישי</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom chamishi</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'fifth day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">יום שישי</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Yom shishi</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'sixth day' </td> <td><a href="/wiki/Hebrew_language" title="Hebrew language">Hebrew</a>: <span lang="he" dir="rtl">שבת</span>, <small><a href="/wiki/Romanization_of_Hebrew" title="Romanization of Hebrew">romanized</a>: </small><span title="Hebrew-language romanization"><i lang="he-Latn">Shabbat</i></span>, <small><a href="/wiki/Literal_translation" title="Literal translation">lit.</a> </small>'Rest/cessation' </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=4" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:CLM_14456_71r_detail.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/CLM_14456_71r_detail.jpg/500px-CLM_14456_71r_detail.jpg" decoding="async" width="390" height="217" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/CLM_14456_71r_detail.jpg/960px-CLM_14456_71r_detail.jpg 1.5x" data-file-width="1312" data-file-height="730" /></a><figcaption>Circular diagrams showing the division of the day and of the week, from a <a href="/wiki/Carolingian_Renaissance" title="Carolingian Renaissance">Carolingian</a> ms. (<a href="/wiki/Codex_latinus_monacensis" class="mw-redirect" title="Codex latinus monacensis">Clm</a> 14456 fol. 71r) of <a href="/wiki/St._Emmeram_Abbey" class="mw-redirect" title="St. Emmeram Abbey">St. Emmeram Abbey</a>. The week is divided into seven days, and each day into 24 hours, 96 <span title="Latin-language text"><i lang="la">puncta</i></span> (quarter-hours), 240 <span title="Latin-language text"><i lang="la">minuta</i></span> (tenths of an hour) and 960 <span title="Latin-language text"><i lang="la"><a href="/wiki/Moment_(unit)" title="Moment (unit)">momenta</a></i></span> (40th parts of an hour).</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Ancient_Near_East">Ancient Near East</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=5" title="Edit section: Ancient Near East"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The earliest evidence of an astrological significance of a seven-day period is decree of king <a href="/wiki/Sargon_of_Akkad" title="Sargon of Akkad">Sargon of Akkad</a> around 2300 BCE. Akkadians venerated the number seven, and the key celestial bodies visible to the naked eye numbered seven (the Sun, the Moon and the five closest planets).<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Gudea" title="Gudea">Gudea</a>, the priest-king of <a href="/wiki/Lagash" title="Lagash">Lagash</a> in <a href="/wiki/Sumer" title="Sumer">Sumer</a> during the <a href="/wiki/Gutian_dynasty_of_Sumer" class="mw-redirect" title="Gutian dynasty of Sumer">Gutian dynasty</a> (about 2100 BCE), built a seven-room temple, which he dedicated with a seven-day festival. In the flood story of the <a href="/wiki/Mesopotamia" title="Mesopotamia">Assyro-Babylonian</a> <a href="/wiki/Epic_of_Gilgamesh" title="Epic of Gilgamesh">Epic of Gilgamesh</a>, the storm lasts for seven days, the dove is sent out after seven days (similarly to Genesis), and the <a href="/wiki/Noah" title="Noah">Noah</a>-like character of <a href="/wiki/Utnapishtim" title="Utnapishtim">Utnapishtim</a> leaves the ark seven days after it reaches the firm ground.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </p><p>Counting from the <a href="/wiki/New_moon" title="New moon">new moon</a>, the Babylonians celebrated the 7th, 14th, 21st and 28th of the approximately 29- or 30-day lunar month as "holy days", also called "evil days" (meaning inauspicious for certain activities). On these days, officials were prohibited from various activities and common men were forbidden to "make a wish", and at least the 28th was known as a "rest day".<sup id="cite_ref-ere_23-0" class="reference"><a href="#cite_note-ere-23"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> On each of them, offerings were made to a different god and goddess. Though similar, the later practice of associating days of the week with deities or planets is not due to the Babylonians.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Judaism">Judaism</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=6" title="Edit section: Judaism"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A continuous seven-day cycle that runs throughout history without reference to the phases of the moon was first practiced in <a href="/wiki/Judaism" title="Judaism">Judaism</a>, dated to the 6th century BCE at the latest.<sup id="cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA11_p._11]_25-0" class="reference"><a href="#cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA11_p._11]-25"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Senn_1997_26-0" class="reference"><a href="#cite_note-Senn_1997-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>There are several hypotheses concerning the origin of the <a href="/wiki/Old_Testament" title="Old Testament">biblical</a> seven-day cycle. </p><p><a href="/wiki/Friedrich_Delitzsch" title="Friedrich Delitzsch">Friedrich Delitzsch</a> and others suggested that the seven-day week being approximately a quarter of a <a href="/wiki/Lunation" class="mw-redirect" title="Lunation">lunation</a> is the implicit astronomical origin of the seven-day week,<sup id="cite_ref-LSC_27-0" class="reference"><a href="#cite_note-LSC-27"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> and indeed the <a href="/wiki/Babylonian_calendar" title="Babylonian calendar">Babylonian calendar</a> used <a href="/wiki/Intercalation_(timekeeping)" title="Intercalation (timekeeping)">intercalary</a> days to synchronize the last week of a month with the new moon.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> According to this theory, the Jewish week was adopted from the Babylonians while removing the moon-dependency. </p><p><a href="/wiki/George_Aaron_Barton" title="George Aaron Barton">George Aaron Barton</a> speculated that the seven-day creation account of Genesis is connected to the Babylonian creation epic, <a href="/wiki/En%C3%BBma_Eli%C5%A1" class="mw-redirect" title="Enûma Eliš">Enûma Eliš</a>, which is recorded on seven tablets.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>In a frequently-quoted suggestion going back to the early 20th century,<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> the Hebrew <i><a href="/wiki/Biblical_Sabbath#Etymology" title="Biblical Sabbath">Sabbath</a></i> is compared to the Sumerian <i>sa-bat</i> "mid-rest", a term for the <a href="/wiki/Full_moon" title="Full moon">full moon</a>. The Sumerian term has been reconstructed as rendered <i>Sapattu<sup>m</sup></i> or <i>Sabattu<sup>m</sup></i> in <a href="/wiki/Babylonian_language" class="mw-redirect" title="Babylonian language">Babylonian</a>, possibly present in the lost fifth tablet of the <a href="/wiki/En%C3%BBma_Eli%C5%A1" class="mw-redirect" title="Enûma Eliš">Enûma Eliš</a>, tentatively reconstructed <sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Words_to_watch#Unsupported_attributions" title="Wikipedia:Manual of Style/Words to watch"><span title="The material near this tag may use weasel words or too-vague attribution. (April 2015)">according to whom?</span></a></i>]</sup> "[Sa]bbath shalt thou then encounter, mid[month]ly".<sup id="cite_ref-ere_23-1" class="reference"><a href="#cite_note-ere-23"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>However, <a href="/wiki/Niels-Erik_Andreasen" title="Niels-Erik Andreasen">Niels-Erik Andreasen</a>, <a href="/wiki/Jeffrey_H._Tigay" title="Jeffrey H. Tigay">Jeffrey H. Tigay</a>, and others claim that the <a href="/wiki/Biblical_Sabbath" title="Biblical Sabbath">Biblical Sabbath</a> is mentioned as a day of rest in some of the earliest layers of the <a href="/wiki/Pentateuch" class="mw-redirect" title="Pentateuch">Pentateuch</a> dated to the 9th century BCE at the latest, centuries before the <a href="/wiki/Babylonian_exile_of_Judah" class="mw-redirect" title="Babylonian exile of Judah">Babylonian exile of Judah</a>. They also find the resemblance between the Biblical Sabbath and the Babylonian system to be weak. Therefore, they suggest that the seven-day week may reflect an independent <a href="/wiki/Israelites" title="Israelites">Israelite</a> tradition.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_33-0" class="reference"><a href="#cite_note-:1-33"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Tigay writes: </p> <blockquote><p>It is clear that among neighboring nations that were in position to have an influence over Israel – and in fact which did influence it in various matters – there is no precise parallel to the Israelite Sabbatical week. This leads to the conclusion that the Sabbatical week, which is as unique to Israel as the Sabbath from which it flows, is an independent Israelite creation.<sup id="cite_ref-:1_33-1" class="reference"><a href="#cite_note-:1-33"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup></p></blockquote> <p>The seven-day week seems to have been adopted, at different stages, by the <a href="/wiki/Persian_Empire" class="mw-redirect" title="Persian Empire">Persian Empire</a>, in <a href="/wiki/Hellenistic_astrology" title="Hellenistic astrology">Hellenistic astrology</a>, and (via <a href="/wiki/Hellenistic_period" title="Hellenistic period">Greek transmission</a>) in <a href="/wiki/Gupta_India" class="mw-redirect" title="Gupta India">Gupta India</a> and <a href="/wiki/Tang_China" class="mw-redirect" title="Tang China">Tang China</a>.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2017)">citation needed</span></a></i>]</sup> The Babylonian system was received by the Greeks in the 4th century BCE (notably via <a href="/wiki/Eudoxus_of_Cnidus" title="Eudoxus of Cnidus">Eudoxus of Cnidus</a>). Although some sources, such as the Encyclopædia Britannica,<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> state that the Babylonians named the days of the week after the five planets, the sun, and the moon, many scholars disagree. <a href="/wiki/Eviatar_Zerubavel" title="Eviatar Zerubavel">Eviatar Zerubavel</a> says, "the establishment of a seven-day week based on the regular observance of the Sabbath is a distinctively Jewish contribution to civilization. The choice of the number 7 as the basis for the Jewish week might have had an Assyrian or Babylonian origin, yet it is crucial to remember that the ancient dwellers of Mesopotamia themselves did not have a seven-day week."<sup id="cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._9]_39-0" class="reference"><a href="#cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._9]-39"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> The astrological concept of <a href="/wiki/Planetary_hours" title="Planetary hours">planetary hours</a> is an innovation of Hellenistic astrology, probably first conceived in the 2nd century BCE.<sup id="cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._14]_40-0" class="reference"><a href="#cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._14]-40"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p>The seven-day week was widely known throughout the <a href="/wiki/Roman_Empire" title="Roman Empire">Roman Empire</a> by the 1st century CE,<sup id="cite_ref-:2_41-0" class="reference"><a href="#cite_note-:2-41"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> along with references to the Jewish Sabbath by Roman authors such as <a href="/wiki/Seneca_the_Younger" title="Seneca the Younger">Seneca</a> and <a href="/wiki/Ovid" title="Ovid">Ovid</a>.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> When the seven-day week came into use in Rome during the early imperial period, it did not immediately replace the older eight-day <a href="/wiki/Nundinal_cycle" class="mw-redirect" title="Nundinal cycle">nundinal</a> system.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> The nundinal system had probably fallen out of use by the time Emperor <a href="/wiki/Constantine_the_Great" title="Constantine the Great">Constantine</a> adopted the seven-day week for official use in CE 321, making the <a href="/wiki/Sunday" title="Sunday">Day of the Sun</a> (<span title="Latin-language text"><i lang="la">dies Solis</i></span>) a legal holiday.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Achaemenid_period">Achaemenid period</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=7" title="Edit section: Achaemenid period"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Zoroastrian_calendar" title="Zoroastrian calendar">Zoroastrian calendar</a> follows the Babylonian in relating the 7th, 14th, 21st, and 28th of the 29- or 30-day lunar month to <a href="/wiki/Ahura_Mazda" title="Ahura Mazda">Ahura Mazda</a>.<sup id="cite_ref-TSZ_45-0" class="reference"><a href="#cite_note-TSZ-45"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> The forerunner of all modern Zoroastrian calendars is the system used to determine dates in the <a href="/wiki/Achaemenid_Empire" title="Achaemenid Empire">Persian Empire</a>, adopted from the Babylonian calendar by the 4th century BCE. </p><p><a href="/wiki/Frank_Senn" title="Frank Senn">Frank C. Senn</a> in his book <i>Christian Liturgy: Catholic and Evangelical</i> points to data suggesting evidence of an early continuous use of a seven-day week; referring to the Jews during the <a href="/wiki/Babylonian_captivity" title="Babylonian captivity">Babylonian captivity</a> in the 6th century BCE,<sup id="cite_ref-Senn_1997_26-1" class="reference"><a href="#cite_note-Senn_1997-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> after the destruction of the <a href="/wiki/Temple_of_Solomon" class="mw-redirect" title="Temple of Solomon">Temple of Solomon</a>. While the seven-day week in Judaism is tied to <a href="/wiki/Genesis_creation_narrative" title="Genesis creation narrative">Creation account</a> in the <a href="/wiki/Book_of_Genesis" title="Book of Genesis">Book of Genesis</a> in the <a href="/wiki/Hebrew_Bible" title="Hebrew Bible">Hebrew Bible</a> (where <a href="/wiki/Elohim" title="Elohim">God</a> creates the heavens and the earth in six days and rests on the seventh; Genesis 1:1-2:3,<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> in the <a href="/wiki/Book_of_Exodus" title="Book of Exodus">Book of Exodus</a>, the fourth of the <a href="/wiki/Ten_Commandments" title="Ten Commandments">Ten Commandments</a> is to rest on the seventh day, <i><a href="/wiki/Shabbat" title="Shabbat">Shabbat</a></i>, which can be seen as implying a socially instituted seven-day week), it is not clear whether the Genesis narrative predates the <a href="/wiki/Babylonian_captivity" title="Babylonian captivity">Babylonian captivity</a> of the Jews in the 6th century BCE. At least since the <a href="/wiki/Second_Temple_Judaism" title="Second Temple Judaism">Second Temple period</a> under Persian rule, Judaism relied on the seven-day cycle of recurring <a href="/wiki/Sabbath" title="Sabbath">Sabbaths</a>.<sup id="cite_ref-Senn_1997_26-2" class="reference"><a href="#cite_note-Senn_1997-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>Tablets<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2015)">citation needed</span></a></i>]</sup> from the Achaemenid period indicate that the <a href="/wiki/Lunation" class="mw-redirect" title="Lunation">lunation</a> of 29 or 30 days basically contained three seven-day weeks, and a final week of eight or nine days inclusive, breaking the continuous seven-day cycle.<sup id="cite_ref-ere_23-2" class="reference"><a href="#cite_note-ere-23"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> The Babylonians additionally celebrated the 19th as a special "evil day", the "day of anger", because it was roughly the 49th day of the (preceding) month, completing a "week of weeks", also with sacrifices and prohibitions.<sup id="cite_ref-ere_23-3" class="reference"><a href="#cite_note-ere-23"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>Difficulties with <a href="/wiki/Friedrich_Delitzsch" title="Friedrich Delitzsch">Friedrich Delitzsch</a>'s <a href="/wiki/Origin_theory" class="mw-redirect" title="Origin theory">origin theory</a> connecting Hebrew <i><a href="/wiki/Shabbat" title="Shabbat">Shabbat</a></i> with the Babylonian <a href="/wiki/Lunar_cycle" class="mw-redirect" title="Lunar cycle">lunar cycle</a><sup id="cite_ref-landau_47-0" class="reference"><a href="#cite_note-landau-47"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> include reconciling the differences between an unbroken week and a lunar week, and explaining the absence of texts naming the lunar week as <i>Shabbat</i> in any language.<sup id="cite_ref-orr_48-0" class="reference"><a href="#cite_note-orr-48"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Hellenistic_and_Roman_era">Hellenistic and Roman era</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=8" title="Edit section: Hellenistic and Roman era"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Nundinae" title="Nundinae">Nundinae</a></div> <p>In <a href="/wiki/Hellenistic_Judaism" title="Hellenistic Judaism">Jewish sources</a> by the time of the <a href="/wiki/Septuagint" title="Septuagint">Septuagint</a>, the term "Sabbath" (<a href="/wiki/Greek_language" title="Greek language">Greek</a>: <span lang="el">Σάββατον</span>, <small><a href="/wiki/Romanization_of_Greek" title="Romanization of Greek">romanized</a>: </small><span title="Greek-language romanization"><i lang="el-Latn">Sábbaton</i></span>) by <a href="/wiki/Synecdoche" title="Synecdoche">synecdoche</a> also came to refer to an entire seven-day week,<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> the interval between two weekly Sabbaths. <a href="/wiki/Parables_of_Jesus" title="Parables of Jesus">Jesus's parable</a> of the <a href="/wiki/Pharisee_and_the_Publican" title="Pharisee and the Publican">Pharisee and the Publican</a> (<a rel="nofollow" class="external text" href="https://www.biblegateway.com/passage/?search=luke+18%3A12">Luke 18:12</a>) describes the Pharisee as fasting "twice in the week" (<a href="/wiki/Greek_language" title="Greek language">Greek</a>: <span lang="el">δὶς τοῦ σαββάτου</span>, <small><a href="/wiki/Romanization_of_Greek" title="Romanization of Greek">romanized</a>: </small><span title="Greek-language romanization"><i lang="el-Latn">dis tou sabbatou</i></span>). In the account of the women finding the tomb empty, they are described as coming there "toward the one of the sabbaths" (<a href="/wiki/Greek_language" title="Greek language">Greek</a>: <span lang="el">εἰς μίαν σαββάτων, τῇ μιᾷ τῶν σαββάτων</span>);<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> translations substitute "week" for "sabbaths". </p><p>The ancient Romans traditionally used the eight-day <a href="/wiki/Nundinum" class="mw-redirect" title="Nundinum">nundinum</a> but, after the <a href="/wiki/Julian_calendar" title="Julian calendar">Julian calendar</a> had come into effect in 45 BCE, the seven-day week came into increasing use. For a while, the week and the nundinal cycle coexisted, but by the time the week was officially adopted by <a href="/wiki/Constantine_I_(emperor)" class="mw-redirect" title="Constantine I (emperor)">Constantine</a> in 321 CE, the nundinal cycle had fallen out of use. The association of the <a href="/wiki/Days_of_the_week" class="mw-redirect" title="Days of the week">days of the week</a> with the Sun, the Moon and the five planets visible to the naked eye dates to the <a href="/wiki/Roman_era" class="mw-redirect" title="Roman era">Roman era</a> (2nd century).<sup id="cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA45_p._45]_51-0" class="reference"><a href="#cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA45_p._45]-51"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Senn_1997_26-3" class="reference"><a href="#cite_note-Senn_1997-26"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>The continuous seven-day cycle of the days of the week can be traced back to the reign of <a href="/wiki/Augustus" title="Augustus">Augustus</a>; the first identifiable date cited complete with <a href="/wiki/Day_of_the_week" class="mw-redirect" title="Day of the week">day of the week</a> is 6 February 60 CE, identified as a "<a href="/wiki/Sunday" title="Sunday">Sunday</a>" (as <span title="Latin-language text"><i lang="la">viii idus Februarius dies solis</i></span> "eighth day before the ides of February, day of the Sun") in a Pompeiian graffito. According to the (contemporary) Julian calendar, 6 February 60 was, however, a <a href="/wiki/Wednesday" title="Wednesday">Wednesday</a>. This is explained by the existence of two conventions of naming days of the weeks based on the <a href="/wiki/Planetary_hours" title="Planetary hours">planetary hours</a> system: 6 February was a "Sunday" based on the sunset naming convention, and a "Wednesday" based on the sunrise naming convention.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Islamic_concept">Islamic concept</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=9" title="Edit section: Islamic concept"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>According to Islamic beliefs, the seven-day a week concept started with the creation of the universe by Allah. <a href="/wiki/Abu_Hurayra" title="Abu Hurayra">Abu Huraira</a> reported that <a href="/wiki/Muhammad" title="Muhammad">Muhammad</a> said: Allah, the Exalted and Glorious, created the clay on Saturday and He created the mountains on Sunday and He created the trees on Monday and He created the things entailing labour on Tuesday and created light on Wednesday and He caused the animals to spread on Thursday and created Adam after 'Asr on Friday; the last creation at the last hour of the hours of Friday, i. e. between afternoon and night.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Adoption_in_Asia">Adoption in Asia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=10" title="Edit section: Adoption in Asia"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading4"><h4 id="China_and_Japan">China and Japan</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=11" title="Edit section: China and Japan"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The earliest known reference in Chinese writings to a seven-day week is attributed to Fan Ning, who lived in the late 4th century in the <a href="/wiki/Jin_dynasty_(265%E2%80%93420)" class="mw-redirect" title="Jin dynasty (265–420)">Jin dynasty</a>, while diffusions from the <a href="/wiki/Manichaeism" title="Manichaeism">Manichaeans</a> are documented with the writings of the Chinese Buddhist monk <a href="/wiki/I_Ching_(monk)" class="mw-redirect" title="I Ching (monk)">Yi Jing</a> and the Ceylonese or Central Asian Buddhist monk <a href="/wiki/Amoghavajra" title="Amoghavajra">Bu Kong</a> of the 7th century (<a href="/wiki/Tang_dynasty" title="Tang dynasty">Tang dynasty</a>). </p><p>The Chinese variant of the planetary system was brought to Japan by the Japanese monk <a href="/wiki/K%C5%ABkai" title="Kūkai">Kūkai</a> (9th century). Surviving diaries of the Japanese statesman <a href="/wiki/Fujiwara_Michinaga" class="mw-redirect" title="Fujiwara Michinaga">Fujiwara Michinaga</a> show the seven-day system in use in <a href="/wiki/Heian_Period" class="mw-redirect" title="Heian Period">Heian Period</a> Japan as early as 1007. In Japan, the seven-day system was kept in use for astrological purposes until its promotion to a full-fledged Western-style calendrical basis during the <a href="/wiki/Meiji_Period" class="mw-redirect" title="Meiji Period">Meiji Period</a> (1868–1912). </p> <div class="mw-heading mw-heading4"><h4 id="India">India</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=12" title="Edit section: India"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The seven-day week was known in India by the 6th century, referenced in the <a href="/wiki/Pancasiddhantika#Pancha-Siddhantika" class="mw-redirect" title="Pancasiddhantika">Pañcasiddhāntikā</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2013)">citation needed</span></a></i>]</sup> Shashi (2000) mentions the <a href="/wiki/Yuga_Purana" title="Yuga Purana">Garga Samhita</a>, which he places in the 1st century BCE or CE, as a possible earlier reference to a seven-day week in India. He concludes "the above references furnish a <a href="/wiki/Terminus_ad_quem" class="mw-redirect" title="Terminus ad quem">terminus ad quem</a> (viz. 1st century) The <a href="/wiki/Terminus_post_quem" title="Terminus post quem">terminus a quo</a> cannot be stated with certainty".<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Christian_Europe">Christian Europe</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=13" title="Edit section: Christian Europe"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Holy_Week" title="Holy Week">Holy Week</a> and <a href="/wiki/Easter_Week" class="mw-redirect" title="Easter Week">Easter Week</a></div> <p>The seven-day weekly cycle has remained unbroken in <a href="/wiki/Christendom" title="Christendom">Christendom</a>, and hence in <a href="/wiki/Western_history" class="mw-redirect" title="Western history">Western history</a>, for almost two millennia, despite changes to the <a href="/wiki/Coptic_calendar" title="Coptic calendar">Coptic</a>, <a href="/wiki/Julian_calendar" title="Julian calendar">Julian</a>, and <a href="/wiki/Gregorian_calendar" title="Gregorian calendar">Gregorian</a> calendars, demonstrated by the date of <a href="/wiki/Easter" title="Easter">Easter</a> Sunday having been traced back through numerous <a href="/wiki/Computus" class="mw-redirect" title="Computus">computistic tables</a> to an Ethiopic copy of an early Alexandrian table beginning with the Easter of 311 CE.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> </p><p>A tradition of divinations arranged for the days of the week on which certain feast days occur develops in the early medieval period. There are many later variants of this, including the German <span title="German-language text"><i lang="de">Bauern-Praktik</i></span> and the versions of <i><a href="/wiki/Erra_Pater" title="Erra Pater">Erra Pater</a></i> published in 16th- to 17th-century England, mocked in <a href="/wiki/Samuel_Butler_(poet)" title="Samuel Butler (poet)">Samuel Butler</a>'s <i><a href="/wiki/Hudibras" title="Hudibras">Hudibras</a></i>. South and East Slavic versions are known as <i>koliadniki</i> (from <i>koliada</i>, a loan of Latin <span title="Latin-language text"><i lang="la">calendae</i></span>), with Bulgarian copies dating from the 13th century, and Serbian versions from the 14th century.<sup id="cite_ref-Ryan380_58-0" class="reference"><a href="#cite_note-Ryan380-58"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> </p><p>Medieval Christian traditions associated with the lucky or unlucky nature of certain days of the week survived into the modern period. This concerns primarily <a href="/wiki/Friday" title="Friday">Friday</a>, associated with the <a href="/wiki/Crucifixion_of_Jesus" title="Crucifixion of Jesus">crucifixion of Jesus</a>. <a href="/wiki/Sunday" title="Sunday">Sunday</a>, sometimes personified as <a href="/wiki/Anastasia_the_Patrician" title="Anastasia the Patrician">Saint Anastasia</a>, was itself an object of worship in Russia, a practice denounced in a sermon extant in copies going back to the 14th century.<sup id="cite_ref-Ryan383_59-0" class="reference"><a href="#cite_note-Ryan383-59"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Sunday" title="Sunday">Sunday</a>, in the ecclesiastical numbering system also counted as the <span title="Latin-language text"><i lang="la">feria prima</i></span> or the first day of the week; yet, at the same time, figures as the "<a href="/wiki/The_eighth_day_(Christian)" class="mw-redirect" title="The eighth day (Christian)">eighth day</a>", and has occasionally been so called in Christian liturgy.<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Justin_Martyr" title="Justin Martyr">Justin Martyr</a> wrote: "the first day after the Sabbath, remaining the first of all the days, is called, however, the eighth, according to the number of all the days of the cycle, and [yet] remains the first."<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> </p><p>A period of eight days, usually (but not always, mainly because of Christmas Day) starting and ending on a Sunday, is called an <a href="/wiki/Octave_(liturgy)" title="Octave (liturgy)">octave</a>, particularly in <a href="/wiki/Roman_Catholic_liturgy" class="mw-redirect" title="Roman Catholic liturgy">Roman Catholic liturgy</a>. In German, the phrase <span title="German-language text"><i lang="de">heute in acht Tagen</i></span> (literally "today in eight days") can also mean one week from today (i.e. on the same weekday). The same is true of the Italian phrase <span title="Italian-language text"><i lang="it">oggi otto</i></span> (literally "today eight"), the French <span title="French-language text"><i lang="fr">à huitaine</i></span>, and the Spanish <span title="Spanish-language text"><i lang="es">de hoy en ocho</i></span>. </p> <div class="mw-heading mw-heading2"><h2 id="Numbering">Numbering</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=14" title="Edit section: Numbering"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Leap_week_calendar" title="Leap week calendar">Leap week calendar</a></div> <p>Weeks in a Gregorian calendar year can be numbered for each year. This style of numbering is often used in European and Asian countries. It is less common in the U.S. and elsewhere. </p> <div class="mw-heading mw-heading3"><h3 id="The_ISO_week_date_system">The ISO week date system</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=15" title="Edit section: The ISO week date system"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/60px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/120px-Question_book-new.svg.png 1.5x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Week" title="Special:EditPage/Week">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a> in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">June 2020</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>The system for numbering weeks is the <a href="/wiki/ISO_week_date" title="ISO week date">ISO week date</a> system, which is included in <a href="/wiki/ISO_8601" title="ISO 8601">ISO 8601</a>. This system dictates that each week begins on a Monday and is associated with the year that contains that week's Thursday. </p> <div class="mw-heading mw-heading4"><h4 id="Determining_Week_1">Determining <i>Week 1</i></h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=16" title="Edit section: Determining Week 1"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In practice week 1 (<i>W01</i> in ISO notation) of any year can be determined as follows: </p> <ul><li>If 1 January falls on a Monday, Tuesday, Wednesday or Thursday, then the week of 1 January is Week 1. Except in the case of 1 January falling on a Monday, this Week 1 includes the last day(s) of the <i>previous</i> year.</li> <li>If 1 January falls on a Friday, Saturday, or Sunday, then 1 January is considered to be part of the last week of the <i>previous</i> year. Week 1 will begin on the first Monday after 1 January.</li></ul> <p>Examples: </p> <ul><li>Week 1 of 2015 (<i>2015W01</i> in ISO notation) started on Monday, 29 December 2014 and ended on Sunday, 4 January 2015, because 1 January 2015 fell on Thursday.</li> <li>Week 1 of 2021 (<i>2021W01</i> in ISO notation) started on Monday, 4 January 2021 and ended on Sunday, 10 January 2021, because 1 January 2021 fell on Friday.</li></ul> <div class="mw-heading mw-heading4"><h4 id="Week_52_and_53">Week 52 and 53</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=17" title="Edit section: Week 52 and 53"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is also possible to determine if the last week of the previous year was Week 52 or Week 53 as follows: </p> <ul><li>If 1 January falls on a Friday, then it is part of Week 53 of the previous year (W53-5).</li> <li>If 1 January falls on a Saturday, <ul><li>then it is part of Week 53 of the previous year if that is a <a href="/wiki/Leap_year" title="Leap year">leap year</a> (W53-6),</li> <li>and part of Week 52 otherwise (W52-6), i.e. if the previous year is a common year.</li></ul></li> <li>If 1 January falls on a Sunday, then it is part of Week 52 of the previous year (W52-7).</li></ul> <div class="mw-heading mw-heading4"><h4 id="Schematic_representation_of_ISO_week_date">Schematic representation of <a href="/wiki/ISO_week_date" title="ISO week date">ISO week date</a></h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=18" title="Edit section: Schematic representation of ISO week date"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <caption><a href="/wiki/Dominical_letter" title="Dominical letter">Dominical letter</a>(s) plus weekdays, dates and week numbers at the beginning and end of a year </caption> <tbody><tr valign="bottom"> <th rowspan="2">Dominical<br />letter(s)<sup>1</sup> </th> <th colspan="7">Days at the start of January </th> <th colspan="4">Effect<sup>1,2</sup> </th> <th colspan="7">Days at the end of December<sup>1</sup> </th></tr> <tr valign="bottom"> <th>1<br />Mon</th> <th>2<br />Tue</th> <th>3<br />Wed</th> <th>4<br />Thu</th> <th>5<br />Fri</th> <th>6<br />Sat</th> <th>7<br />Sun </th> <th><span class="nowrap">W01-1<sup>3</sup></span></th> <th>01 Jan week</th> <th>...</th> <th>31 Dec week </th> <th>1<br />Mon<sup>4</sup></th> <th>2<br />Tue</th> <th>3<br /> Wed</th> <th>4<br />Thu</th> <th>5<br />Fri</th> <th>6<br />Sat</th> <th>7<br />Sun </th></tr> <tr align="center"> <th>G(F) </th> <td>01</td> <td>02</td> <td>03</td> <td>04</td> <td>05</td> <td>06</td> <td>07 </td> <td>01 Jan</td> <td>W01</td> <td>...</td> <td><u>W01</u> </td> <td><span class="nowrap">31 (30)</span></td> <td align="right">(31)</td> <td></td> <td></td> <td></td> <td></td> <td> </td></tr> <tr align="center"> <th>F(E) </th> <td></td> <td>01</td> <td>02</td> <td>03</td> <td>04</td> <td>05</td> <td>06 </td> <td><u>31 Dec</u></td> <td>W01</td> <td>...</td> <td><u>W01</u> </td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span></td> <td align="right">(31)</td> <td></td> <td></td> <td></td> <td> </td></tr> <tr align="center"> <th>E(D) </th> <td></td> <td></td> <td>01</td> <td>02</td> <td>03</td> <td>04</td> <td>05 </td> <td><u>30 Dec</u></td> <td>W01</td> <td>...</td> <td title="W53 when ending year is leap, W01 otherwise."><u>W01</u> (W53) </td> <td>29 (28)</td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span></td> <td align="right">(31)</td> <td></td> <td></td> <td> </td></tr> <tr align="center"> <th>D(C) </th> <td></td> <td></td> <td></td> <td>01</td> <td>02</td> <td>03</td> <td>04 </td> <td><u>29 Dec</u></td> <td>W01</td> <td>...</td> <td>W53 </td> <td>28 (27)</td> <td>29 (28)</td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span></td> <td align="right">(31)</td> <td></td> <td> </td></tr> <tr align="center"> <th>C(B) </th> <td></td> <td></td> <td></td> <td></td> <td>01</td> <td>02</td> <td>03 </td> <td>04 Jan</td> <td><u>W53</u></td> <td>...</td> <td>W52 </td> <td>27 (26)</td> <td>28 (27)</td> <td>29 (28)</td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span></td> <td align="right">(31)</td> <td> </td></tr> <tr align="center"> <th>B(A) </th> <td></td> <td></td> <td></td> <td></td> <td></td> <td>01</td> <td>02 </td> <td>03 Jan</td> <td title="W53 when ending year is leap, W52 otherwise."><u>W52</u> (<u>W53</u>)</td> <td>...</td> <td>W52 </td> <td>26 (25)</td> <td>27 (26)</td> <td>28 (27)</td> <td>29 (28)</td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span></td> <td style="width:7ex" align="right">(31) </td></tr> <tr align="center"> <th>A(G) </th> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td>01 </td> <td>02 Jan</td> <td><u>W52</u></td> <td>...</td> <td title="31 December is in W01 only if it is in a leap year.">W52 (<u>W01</u>) </td> <td>25 (31)</td> <td>26 (25)</td> <td>27 (26)</td> <td>28 (27)</td> <td>29 (28)</td> <td>30 (29)</td> <td><span class="nowrap">31 (30)</span> </td></tr></tbody></table> <p><b>Notes</b><br /> 1. Numbers and letters in parentheses, ( ), apply to March − December in leap years.<br /> 2. <u>Underlined</u> numbers and letters belong to previous year or next year.<br /> 3. First date of the <b>first</b> week in the year.<br /> 4. First date of the <b>last</b> week in the year. </p> <div class="mw-heading mw-heading3"><h3 id="Other_week_numbering_systems">Other week numbering systems</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=19" title="Edit section: Other week numbering systems"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In some countries, though, the numbering system is different from the ISO standard. At least six numberings are in use:<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> <sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Accuracy_dispute#Disputed_statement" title="Wikipedia:Accuracy dispute"><span title="The material near this tag is possibly inaccurate or nonfactual. (October 2015)">dubious</span></a> – <a href="/wiki/Talk:Week#Dubious" title="Talk:Week">discuss</a></i>]</sup> </p> <table class="wikitable"> <tbody><tr> <th>System </th> <th>First day of week </th> <th colspan="3">First week of year contains </th> <th>Can be last week of previous year </th> <th>Used by or in </th></tr> <tr> <td>ISO 8601</td> <td><a href="/wiki/Monday" title="Monday">Monday</a></td> <td><span class="nowrap">4 January</span></td> <td><span class="nowrap">1st Thursday</span></td> <td><span class="nowrap">4–7 days of year</span></td> <td align="center">yes</td> <td>EU (exc. Portugal) and most of other European countries, most of Asia and Oceania </td></tr> <tr> <td>Middle Eastern</td> <td><a href="/wiki/Saturday" title="Saturday">Saturday</a></td> <td><span class="nowrap">1 January</span></td> <td><span class="nowrap">1st Friday</span></td> <td><span class="nowrap">1–7 days of year</span></td> <td align="center">yes</td> <td>Much of the Middle East </td></tr> <tr> <td>Western traditional</td> <td><a href="/wiki/Sunday" title="Sunday">Sunday</a></td> <td><span class="nowrap">1 January</span></td> <td><span class="nowrap">1st Saturday</span></td> <td><span class="nowrap">1–7 days of year</span></td> <td align="center">yes</td> <td>Canada, United States, Iceland, Portugal, Japan, Taiwan, Thailand, Hong Kong, Macau, Israel, Egypt, South Africa, the Philippines, and most of Latin America </td></tr> <tr> <td><a href="/wiki/Broadcast_Calendar" class="mw-redirect" title="Broadcast Calendar">Broadcast Calendar</a></td> <td><a href="/wiki/Monday" title="Monday">Monday</a></td> <td><span class="nowrap">1 January</span></td> <td><span class="nowrap">1st Sunday</span></td> <td><span class="nowrap">1–7 days of year</span></td> <td align="center">yes</td> <td>Broadcast services in the United States<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <p>Because the week starts on either Saturday, Sunday, or Monday in all these systems, the days in a <a href="/wiki/Workweek" class="mw-redirect" title="Workweek">workweek</a>, Monday through Friday, will always have the same week number within a calendar week system. Quite often, these systems will agree on the week number for each day in a workweek: </p> <ul><li>In years where 1 January is a <a href="/wiki/Common_year_starting_on_Monday" title="Common year starting on Monday">Monday</a>, <a href="/wiki/Common_year_starting_on_Tuesday" title="Common year starting on Tuesday">Tuesday</a>, <a href="/wiki/Common_year_starting_on_Wednesday" title="Common year starting on Wednesday">Wednesday</a>, or <a href="/wiki/Common_year_starting_on_Thursday" title="Common year starting on Thursday">Thursday</a>, all of the above week numbering systems will agree.</li> <li><a href="/wiki/Common_year_starting_on_Friday" title="Common year starting on Friday">In years where 1 January is a Friday</a>, ISO-8601 will be different, but the rest will agree.</li> <li><a href="/wiki/Common_year_starting_on_Saturday" title="Common year starting on Saturday">In years where 1 January is a Saturday</a>, ISO-8601 and the Middle Eastern system will agree, being different from Western Traditional and the Broadcast Calendar which will agree.</li> <li><a href="/wiki/Common_year_starting_on_Sunday" title="Common year starting on Sunday">In years where 1 January is a Sunday</a>, the Broadcast Calendar will be different, but the rest will agree.</li></ul> <p>Note that this agreement occurs only for the week number of each day in a work week, not for the day number within the week, nor the week number of the weekends. </p><p><span class="anchor" id="Epidemiology"></span>The <b>epi week</b> (<b>epidemiological week</b>) is used to report healthcare statistics, as with COVID-19 cases:<sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> </p> <blockquote><p>The epidemiological week begins on Sunday and ends on Saturday. The first epidemiological week of the year ends on the first Saturday of January, provided that it falls at least four or more days into the month. Therefore, the first epidemiological week may actually begin in December of the previous year.</p></blockquote> <div class="mw-heading mw-heading4"><h4 id="Uses">Uses</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=20" title="Edit section: Uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Semiconductor_package#Date_code" title="Semiconductor package">semiconductor package date code</a> is often a 4 digit date code YYWW where the first two digits YY are the last 2 digits of the calendar year and the last two digits WW are the two-digit week number.<sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Tire_code#DOT_code" title="Tire code">tire date code mandated by the US DOT</a> is a 4 digit date code WWYY with two digits of the week number WW followed by the last two digits of the calendar year YY.<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id=""Weeks"_in_other_calendars"><span id=".22Weeks.22_in_other_calendars"></span>"Weeks" in other calendars</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=21" title="Edit section: "Weeks" in other calendars"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The term "week" is sometimes expanded to refer to other time units comprising a few days. Such "weeks" of between four and ten days have been used historically in various places.<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> Intervals longer than 10 days are not usually termed "weeks" as they are closer in length to the <a href="/wiki/Fortnight" title="Fortnight">fortnight</a> or the <a href="/wiki/Month" title="Month">month</a> than to the seven-day week. </p> <div class="mw-heading mw-heading3"><h3 id="Pre-modern">Pre-modern</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=22" title="Edit section: Pre-modern"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Calendars unrelated to the Chaldean, Hellenistic, Christian, or Jewish traditions often have time cycles between the day and the month of varying lengths, sometimes also called "weeks". </p><p>An <a href="/wiki/Eight-day_week" title="Eight-day week">eight-day week</a> was used in <a href="/wiki/Roman_calendar#Nundinal_cycle" title="Roman calendar">Ancient Rome</a> and possibly in the pre-Christian <a href="/wiki/Celtic_calendar" title="Celtic calendar">Celtic calendar</a>. Traces of a nine-day week are found in Baltic languages and in <a href="/wiki/Welsh_language" title="Welsh language">Welsh</a>. The ancient Chinese calendar had a <a href="/wiki/Chinese_ten-day_week" class="mw-redirect" title="Chinese ten-day week">ten-day week</a>, as did the ancient <a href="/wiki/Egyptian_calendar" title="Egyptian calendar">Egyptian calendar</a> (and, incidentally, the <a href="/wiki/French_Republican_Calendar" class="mw-redirect" title="French Republican Calendar">French Republican Calendar</a>, dividing its 30-day months into thirds). </p><p>A six-day week is found in the <a href="/wiki/Akan_Calendar" class="mw-redirect" title="Akan Calendar">Akan Calendar</a> and <a href="/wiki/Kabye_people" title="Kabye people">Kabiye</a> culture until 1981. Several cultures used a five-day week, including the 10th century <a href="/wiki/Icelandic_calendar" class="mw-redirect" title="Icelandic calendar">Icelandic calendar</a>, the <a href="/wiki/Javanese_calendar" title="Javanese calendar">Javanese calendar</a>, and the traditional cycle of market days in <a href="/wiki/Korean_culture" class="mw-redirect" title="Korean culture">Korea</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (July 2015)">citation needed</span></a></i>]</sup> The <a href="/wiki/Igbo_Culture#Calendar_(Iguafo_Igbo)" class="mw-redirect" title="Igbo Culture">Igbo</a> have a "market week" of four days. Evidence of a "three-day week" has been derived from the names of the days of the week in <a href="/wiki/Guipuscoan_Basque" class="mw-redirect" title="Guipuscoan Basque">Guipuscoan Basque</a>.<sup id="cite_ref-Knorr_70-0" class="reference"><a href="#cite_note-Knorr-70"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup> </p><p>The Aztecs and Mayas used the <a href="/wiki/Mesoamerican_calendars" title="Mesoamerican calendars">Mesoamerican calendars</a>. The most important of these calendars divided a ritual cycle of 260 days (known as <i><a href="/wiki/Tonalpohualli" class="mw-redirect" title="Tonalpohualli">Tonalpohualli</a></i> in <a href="/wiki/Nahuatl" title="Nahuatl">Nahuatl</a> and <i><a href="/wiki/Tzolk%27in" class="mw-redirect" title="Tzolk'in">Tzolk'in</a></i> in <a href="/wiki/Yucatec_Maya" class="mw-redirect" title="Yucatec Maya">Yucatec Maya</a>) into 20 weeks of 13 days (known in Spanish as <a href="/wiki/Trecena" title="Trecena">trecenas</a>). They also divided the solar year into 18 periods (<i>winal</i>) of 20 days and five nameless days (<i>wayebʼ</i>), creating a 20-day month divided into four five-day weeks. The end of each five-day week was a market day.<sup id="cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA50_pp._50–54]_71-0" class="reference"><a href="#cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA50_pp._50–54]-71"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup> </p><p>The Balinese <a href="/wiki/Pawukon" class="mw-redirect" title="Pawukon">Pawukon</a> is a 210-day calendar consisting of 10 different simultaneously running weeks of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 days, of which the weeks of 4, 8, and 9 days are interrupted to fit into the 210-day cycle. </p> <div class="mw-heading mw-heading3"><h3 id="Modern_reforms">Modern reforms</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=23" title="Edit section: Modern reforms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/International_Fixed_Calendar" title="International Fixed Calendar">International Fixed Calendar</a>, <a href="/wiki/Decimal_calendar" title="Decimal calendar">Decimal calendar</a>, <a href="/wiki/French_Revolutionary_Calendar#Ten_days_of_the_week" class="mw-redirect" title="French Revolutionary Calendar">French Revolutionary Calendar § Ten days of the week</a>, and <a href="/wiki/Bah%C3%A1%27%C3%AD_calendar" class="mw-redirect" title="Bahá'í calendar">Bahá'í calendar</a></div> <p>The <a href="/wiki/International_Fixed_Calendar" title="International Fixed Calendar">International Fixed Calendar</a> (also known as the "Eastman plan") kept a 7-day week while defining a year of 13 months with 28 days each (364 days). Every calendar date was always on the same weekday. It was the official calendar of the <a href="/wiki/Eastman_Kodak_Company" class="mw-redirect" title="Eastman Kodak Company">Eastman Kodak Company</a> for decades. </p><p>A 10-day week, called a <a href="/wiki/French_Revolutionary_Calendar#Ten_days_of_the_week" class="mw-redirect" title="French Revolutionary Calendar"><i>décade</i></a>, was used in Revolutionary France for nine and a half years from October 1793 to April 1802;<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup> furthermore, the <a href="/wiki/Paris_Commune" title="Paris Commune">Paris Commune</a> adopted the Revolutionary Calendar for 18 days in 1871. </p><p>The <a href="/wiki/Bah%C3%A1%27%C3%AD_calendar" class="mw-redirect" title="Bahá'í calendar">Bahá'í calendar</a> features a 19-day period that some classify as a month and others classify as a week.<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Soviet">Soviet</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=24" title="Edit section: Soviet"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951" /><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Soviet_calendar" title="Soviet calendar">Soviet calendar</a></div> <style data-mw-deduplicate="TemplateStyles:r1273380762/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner span:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent) img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner span:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent) img{background-color:white}}</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:308px;max-width:308px"><div class="trow"><div class="tsingle" style="width:152px;max-width:152px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Soviet_calendar_1930_color.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Soviet_calendar_1930_color.jpg/150px-Soviet_calendar_1930_color.jpg" decoding="async" width="150" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Soviet_calendar_1930_color.jpg/225px-Soviet_calendar_1930_color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Soviet_calendar_1930_color.jpg/300px-Soviet_calendar_1930_color.jpg 2x" data-file-width="1789" data-file-height="1305" /></a></span></div><div class="thumbcaption">Soviet calendar, 1930.<br />Five colors of five-day work week repeat.</div></div><div class="tsingle" style="width:152px;max-width:152px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Soviet_calendar_1933_color.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Soviet_calendar_1933_color.jpg/250px-Soviet_calendar_1933_color.jpg" decoding="async" width="150" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Soviet_calendar_1933_color.jpg/330px-Soviet_calendar_1933_color.jpg 2x" data-file-width="1423" data-file-height="1038" /></a></span></div><div class="thumbcaption">Soviet calendar, 1933.<br />Rest day of six-day work week in blue.</div></div></div><div class="trow" style="display:flex"><div class="thumbcaption">Days of each Gregorian month in both calendars are grouped vertically into seven-day weeks.</div></div></div></div> <p>In the <a href="/wiki/Soviet_Union" title="Soviet Union">Soviet Union</a> between 1929 and 1940, most factory and enterprise workers, but not collective farm workers, used five and six day work weeks while the country as a whole continued to use the traditional seven day week.<sup id="cite_ref-Foss_75-0" class="reference"><a href="#cite_note-Foss-75"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Russie_76-0" class="reference"><a href="#cite_note-Russie-76"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-77" class="reference"><a href="#cite_note-77"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> </p><p>From 1929 to 1951, five national holidays were days of rest (<span class="nowrap">22 January</span>, <span class="nowrap">1–2 May</span>, <span class="nowrap">7–8 November</span>). From autumn 1929 to summer 1931, the remaining 360 days of the year were subdivided into 72 five day work weeks beginning on <span class="nowrap">1 January</span>. Workers were assigned any one of the five days as their day off, even if their spouse or friends might be assigned a different day off. Peak use of the five day work week occurred on <span class="nowrap">1 October 1930</span> at 72% of industrial workers. From summer 1931 until <span class="nowrap">26 June 1940</span>, each Gregorian month was subdivided into five six day work weeks, more-or-less, beginning with the first day of each month. The sixth day of each six day work week was a uniform day of rest. On <span class="nowrap">1 July 1935</span> 74.2% of industrial workers were on non-continuous schedules, mostly six day work weeks, while 25.8% were still on continuous schedules, mostly five day work weeks. The Gregorian calendar with its irregular month lengths and the traditional seven day week were used in the Soviet Union during its entire existence, including 1929–1940; for example, in the masthead of <i><a href="/wiki/Pravda" title="Pravda">Pravda</a></i>, the official Communist newspaper, and in both Soviet calendars displayed here. The traditional names of the seven day week continued to be used, including "Resurrection" (Воскресенье) for Sunday and "Sabbath" (Суббота) for Saturday, despite the government's <a href="/wiki/Marxist%E2%80%93Leninist_atheism" title="Marxist–Leninist atheism">official</a> <a href="/wiki/State_atheism" title="State atheism">atheism</a>. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=25" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/60px-Commons-logo.svg.png 1.5x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <a href="https://commons.wikimedia.org/wiki/Week" class="extiw" title="commons:Week"><span style="font-style:italic; font-weight:bold;">Week</span></a>.</div></div> </div> <ul><li><a href="/wiki/Determination_of_the_day_of_the_week" title="Determination of the day of the week">Determination of the day of the week</a></li> <li><a href="/wiki/GPS_week_number" class="mw-redirect" title="GPS week number">GPS week number</a></li> <li><a href="/wiki/Names_of_the_days_of_the_week" title="Names of the days of the week">Names of the days of the week</a></li> <li><a href="/wiki/Workweek_and_weekend" title="Workweek and weekend">Workweek and weekend</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=26" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">"ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times" is an international standard covering the exchange of date- and time-related data.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text">In pre-modern times, days were measured either from sunset to sunset, or from sunrise to sunrise so that the length of the week (and the day) would be subject to slight variations depending upon the time of year and the observer's geographical latitude.</span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text">Copeland (1939) states as the date for Gudea "as early as 2600 BCE";<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> the modern estimate according to the <a href="/wiki/Short_chronology" class="mw-redirect" title="Short chronology">short chronology</a> places Gudea in the 22nd century BCE. By contrast, <a href="/wiki/Anthony_R._Michaelis" title="Anthony R. Michaelis">Anthony R. Michaelis</a> claims that "the first great empire builder, King Sargon I of Akkad ([ruled] 2335 to 2279 BCE [viz., middle chronology]), decreed a seven-day week in his empire. He lived for 56 years, established the first Semitic Dynasty, and defeated the Sumerian City-States. Thus the Akkadian language spread, it was adopted by the Babylonians, and the seven-day week was similarly inherited from him."<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The number seven is significant in Sumerian mythology.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text">It was transmitted to China in the 8th century by Manichaeans, via the country of <a href="/wiki/Kangju" title="Kangju">Kang</a> (a Central Asian polity near <a href="/wiki/Samarkand" title="Samarkand">Samarkand</a>). Tang-era adoption is documented in the writings of the Chinese Buddhist monk <a href="/wiki/I_Ching_(monk)" class="mw-redirect" title="I Ching (monk)">Yi Jing</a> and the Ceylonese Buddhist monk <a href="/wiki/Amoghavajra" title="Amoghavajra">Bu Kong</a>. According to the Chinese encyclopedia <i><a href="/wiki/Cihai" title="Cihai">Cihai</a></i> (<span title="Chinese-language text"><span lang="zh-Hans">辞海</span></span>), there is some evidence that the system had been adopted twice, the first time already in the 4th century (<a href="/wiki/Jin_dynasty_(265%E2%80%93420)" class="mw-redirect" title="Jin dynasty (265–420)">Jin dynasty</a>), based on a reference by a Jin era astrologer, Fan Ning (<span title="Chinese-language text"><span lang="zh-Hant">范寧</span></span> / <span title="Chinese-language text"><span lang="zh-Hans">范宁</span></span>). The <i>Cihai</i> under the entry for "seven luminaries calendar" (<span title="Chinese-language text"><span lang="zh-Hant">七曜曆</span></span> / <span title="Chinese-language text"><span lang="zh-Hans">七曜历</span></span>, <i>qī yào lì</i>) has: "method of recording days according to the seven luminaries [<span title="Chinese-language text"><span lang="zh">七曜</span></span> <i>qī yào</i>]. China normally observes the following order: Sun, Moon, Mars, Mercury, Jupiter, Venus, and Saturn. Seven days make one week, which is repeated in a cycle. Originated in ancient Babylon (or ancient Egypt according to one theory). Used by the Romans at the time of the 1st century CE, later transmitted to other countries. This method existed in China in the 4th century. It was also transmitted to China by Manichaeans in the 8th century from the country of Kang (<span title="Chinese-language text"><span lang="zh">康</span></span>) in Central Asia."<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-60">^</a></b></span> <span class="reference-text">This is just a reflection of the system of <a href="/wiki/Ordinal_numbers" class="mw-redirect" title="Ordinal numbers">ordinal numbers</a> in the Greek and Latin languages, where today is the "first" day, tomorrow the "second" day, etc. Compare the <a href="/wiki/Nundinal_cycle" class="mw-redirect" title="Nundinal cycle">nundinal cycle</a> (literally "nine-days" cycle, describing an <a href="/wiki/Eight-day_week" title="Eight-day week">eight-day week</a>) of the Roman calendar, or the <a href="/wiki/Resurrection_of_Jesus" title="Resurrection of Jesus">Resurrection of Jesus</a> (after a period of less than 48 hours) being described (in texts derived from Latin) as happening on the "third day".</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=27" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626" /><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFRing2021" class="citation web cs1">Ring, Rosanna (22 January 2021). <a rel="nofollow" class="external text" href="https://www.stneotsmuseum.org.uk/articles/a-history-of-time-the-story-behind-our-days-weeks-and-months/">"A history of time – the story behind our days, weeks, and months"</a>. <i>St Neots Museum</i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 January</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=St+Neots+Museum&rft.atitle=A+history+of+time+%E2%80%93+the+story+behind+our+days%2C+weeks%2C+and+months&rft.date=2021-01-22&rft.aulast=Ring&rft.aufirst=Rosanna&rft_id=https%3A%2F%2Fwww.stneotsmuseum.org.uk%2Farticles%2Fa-history-of-time-the-story-behind-our-days-weeks-and-months%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.discovermagazine.com/planet-earth/why-are-there-seven-days-in-a-week">Why Are There Seven Days in a Week?</a>. <i>Discover</i> (15 January 2020). Retrieved 2022-10-22.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.unicode.org/cldr/charts/45/supplemental/territory_information.html">"Territory Information"</a>. <i>www.unicode.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">12 July</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.unicode.org&rft.atitle=Territory+Information&rft_id=https%3A%2F%2Fwww.unicode.org%2Fcldr%2Fcharts%2F45%2Fsupplemental%2Fterritory_information.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLagasse2018" class="citation book cs1">Lagasse, Paul (2018). "Week". <a rel="nofollow" class="external text" href="https://search.credoreference.com/content/entry/columency/week/"><i>The Columbia Encyclopedia</i></a>. Columbia University Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Week&rft.btitle=The+Columbia+Encyclopedia&rft.pub=Columbia+University+Press&rft.date=2018&rft.aulast=Lagasse&rft.aufirst=Paul&rft_id=https%3A%2F%2Fsearch.credoreference.com%2Fcontent%2Fentry%2Fcolumency%2Fweek%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-Days_of_the_week_in_Arabic_Language-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Days_of_the_week_in_Arabic_Language_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.toppersmind.com/blog/days-of-week-in-arabic/">"7 Days of the week in Arabic"</a>. <i>ToppersMind</i>. ToppersMind<span class="reference-accessdate">. Retrieved <span class="nowrap">23 March</span> 2025</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ToppersMind&rft.atitle=7+Days+of+the+week+in+Arabic&rft_id=https%3A%2F%2Fwww.toppersmind.com%2Fblog%2Fdays-of-week-in-arabic%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRehberger" class="citation web cs1">Rehberger, Georg. <a rel="nofollow" class="external text" href="https://www.timeanddate.com/calendar/days/first-day-of-the-week.html">"What Is the First Day of the Week?"</a>. timeanddate.com/<span class="reference-accessdate">. Retrieved <span class="nowrap">23 October</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=What+Is+the+First+Day+of+the+Week%3F&rft.pub=timeanddate.com%2F&rft.aulast=Rehberger&rft.aufirst=Georg&rft_id=https%3A%2F%2Fwww.timeanddate.com%2Fcalendar%2Fdays%2Ffirst-day-of-the-week.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-firstday-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-firstday_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://unicode-org.github.io/cldr-staging/charts/38/supplemental/territory_information.html">"Territory Information"</a>. <i>www.unicode.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 November</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.unicode.org&rft.atitle=Territory+Information&rft_id=https%3A%2F%2Funicode-org.github.io%2Fcldr-staging%2Fcharts%2F38%2Fsupplemental%2Fterritory_information.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFAslan2019" class="citation web cs1">Aslan, Rose (19 March 2019). <a rel="nofollow" class="external text" href="https://theconversation.com/what-is-the-significance-of-friday-prayers-in-islam-113702">"What is the significance of Friday prayers in Islam?"</a>. <i>The Conversation</i><span class="reference-accessdate">. Retrieved <span class="nowrap">10 March</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Conversation&rft.atitle=What+is+the+significance+of+Friday+prayers+in+Islam%3F&rft.date=2019-03-19&rft.aulast=Aslan&rft.aufirst=Rose&rft_id=https%3A%2F%2Ftheconversation.com%2Fwhat-is-the-significance-of-friday-prayers-in-islam-113702&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-worldwidewords-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-worldwidewords_10-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.worldwidewords.org/weirdwords/ww-sen1.htm">sennight</a> at worldwidewords.org (retrieved 12 January 2017)</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text">Richards, E. G. (2013). "Calendars". In S. E. Urban & P. K. Seidelmann, eds. <i>Explanatory Supplement to the Astronomical Almanac</i>, 3rd ed. (pp. 585–624). Mill Valley, Calif.: University Science Books. 2013, pp. 592, 618. This is equivalent to saying that JD0, i.e. 1 January 4713 BCE of the <a href="/wiki/Proleptic_Julian_calendar" title="Proleptic Julian calendar">proleptic Julian calendar</a>, was a Monday.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">E. G. Richards, <i>Mapping Time, the Calendar and History</i>, Oxford 1999. p. 269.</span> </li> <li id="cite_note-Dio-14"><span class="mw-cite-backlink">^ <a href="#cite_ref-Dio_14-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Dio_14-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFDio_Cassius" class="citation book cs1">Dio Cassius. <a rel="nofollow" class="external text" href="http://www.poesialatina.it/_ns/Greek/testi/Cassius/Historiae_Romanae37.html"><i>Ῥωμαϊκὴ Ἱστορία</i></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=%E1%BF%AC%CF%89%CE%BC%CE%B1%CF%8A%CE%BA%E1%BD%B4+%E1%BC%B9%CF%83%CF%84%CE%BF%CF%81%CE%AF%CE%B1&rft.au=Dio+Cassius&rft_id=http%3A%2F%2Fwww.poesialatina.it%2F_ns%2FGreek%2Ftesti%2FCassius%2FHistoriae_Romanae37.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span> Book 37, Sections 16-19. <a rel="nofollow" class="external text" href="https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Cassius_Dio/37*.html#note11">English translation</a>.</span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text">Max Vasmer, <span title="German-language text"><i lang="de">Russisches etymologisches Wörterbuch</i></span>, s.v. <span title="Russian-language text"><span lang="ru">понедельник</span></span>. However, the Slavic languages later introduced a secondary numbering system that names Tuesday as the "second day".</span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text">the latter specifically due to the influence of <a href="/wiki/Martin_of_Braga" title="Martin of Braga">Martin of Braga</a>, 6th-century archbishop of <a href="/wiki/Braga" title="Braga">Braga</a>. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRichard_A._Fletcher1999" class="citation book cs1">Richard A. Fletcher (1999). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=RB5aWgr7l-gC&pg=PA257"><i>The Barbarian Conversion: From Paganism to Christianity</i></a>. University of California Press. p. 257. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-520-21859-8" title="Special:BookSources/978-0-520-21859-8"><bdi>978-0-520-21859-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Barbarian+Conversion%3A+From+Paganism+to+Christianity&rft.pages=257&rft.pub=University+of+California+Press&rft.date=1999&rft.isbn=978-0-520-21859-8&rft.au=Richard+A.+Fletcher&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRB5aWgr7l-gC%26pg%3DPA257&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFMcKenna1938" class="citation book cs1">McKenna, Stephen (1938). "Pagan Survivals in Galicia in the Sixth Century". <a rel="nofollow" class="external text" href="http://libro.uca.edu/mckenna/paganism.htm"><i>Paganism and Pagan Survivals in Spain Up to the Fall of the Visigothic Kingdom</i></a>. Catholic University of America. pp. <span class="nowrap">93–</span>94<span class="reference-accessdate">. Retrieved <span class="nowrap">20 March</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Pagan+Survivals+in+Galicia+in+the+Sixth+Century&rft.btitle=Paganism+and+Pagan+Survivals+in+Spain+Up+to+the+Fall+of+the+Visigothic+Kingdom&rft.pages=%3Cspan+class%3D%22nowrap%22%3E93-%3C%2Fspan%3E94&rft.pub=Catholic+University+of+America&rft.date=1938&rft.aulast=McKenna&rft.aufirst=Stephen&rft_id=http%3A%2F%2Flibro.uca.edu%2Fmckenna%2Fpaganism.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text">"day of <a href="https://en.wiktionary.org/wiki/%CF%80%CE%B1%CF%81%CE%B1%CF%83%CE%BA%CE%B5%CF%85%CE%AE#Ancient_Greek" class="extiw" title="wikt:παρασκευή">preparation</a>", i.e. the day before Sabbath, c.f. <a href="/wiki/Gospel_of_Luke" title="Gospel of Luke">Luke</a> 23:54 (<span title="Ancient Greek (to 1453)-language text"><span lang="grc">καὶ ἡμέρα ἦν Παρασκευῆς, καὶ σάββατον ἐπέφωσκεν.</span></span>)</span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.rmg.co.uk/stories/topics/why-12-months-year-seven-days-week-or-60-minutes-hour">"How we divide time"</a>. <i><a href="/wiki/Royal_Museums_Greenwich" title="Royal Museums Greenwich">Royal Museums Greenwich</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">12 September</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Royal+Museums+Greenwich&rft.atitle=How+we+divide+time&rft_id=https%3A%2F%2Fwww.rmg.co.uk%2Fstories%2Ftopics%2Fwhy-12-months-year-seven-days-week-or-60-minutes-hour&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFCopeland1939" class="citation journal cs1">Copeland, Leland S. (1939). "Sources of the Seven-Day Week". <i>Popular Astronomy</i>. <b>47</b> (4): 176. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1939PA.....47..175C">1939PA.....47..175C</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Popular+Astronomy&rft.atitle=Sources+of+the+Seven-Day+Week&rft.volume=47&rft.issue=4&rft.pages=176&rft.date=1939&rft_id=info%3Abibcode%2F1939PA.....47..175C&rft.aulast=Copeland&rft.aufirst=Leland+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFMichaelis1982" class="citation journal cs1">Michaelis, Anthony R. (1982). <a rel="nofollow" class="external text" href="http://garfield.library.upenn.edu/michaelis/title310.pdf">"The Enigmatic Seven"</a> <span class="cs1-format">(PDF)</span>. <i>Interdisciplinary Science Reviews</i>. <b>7</b> (1): 373. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1982ISRv....7....1M">1982ISRv....7....1M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1179%2F030801882789801278">10.1179/030801882789801278</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Interdisciplinary+Science+Reviews&rft.atitle=The+Enigmatic+Seven&rft.volume=7&rft.issue=1&rft.pages=373&rft.date=1982&rft_id=info%3Adoi%2F10.1179%2F030801882789801278&rft_id=info%3Abibcode%2F1982ISRv....7....1M&rft.aulast=Michaelis&rft.aufirst=Anthony+R.&rft_id=http%3A%2F%2Fgarfield.library.upenn.edu%2Fmichaelis%2Ftitle310.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation news cs1"><a rel="nofollow" class="external text" href="http://www.economist.com/node/895542?fsrc=scn/fb/wl/ar/thepowerofseven">"The power of seven"</a>. <i><a href="/wiki/The_Economist" title="The Economist">The Economist</a></i>. 20 December 2001.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Economist&rft.atitle=The+power+of+seven&rft.date=2001-12-20&rft_id=http%3A%2F%2Fwww.economist.com%2Fnode%2F895542%3Ffsrc%3Dscn%2Ffb%2Fwl%2Far%2Fthepowerofseven&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-ere-23"><span class="mw-cite-backlink">^ <a href="#cite_ref-ere_23-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ere_23-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ere_23-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ere_23-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFPinches,_T.G.2003" class="citation book cs1">Pinches, T.G. (2003). "Sabbath (Babylonian)". In Hastings, James (ed.). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=qVNqXDz4CE8C"><i>Encyclopedia of Religion and Ethics</i></a>. Vol. 20. Selbie, John A., contrib. Kessinger Publishing. pp. <span class="nowrap">889–</span>891. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7661-3698-4" title="Special:BookSources/978-0-7661-3698-4"><bdi>978-0-7661-3698-4</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">17 March</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Sabbath+%28Babylonian%29&rft.btitle=Encyclopedia+of+Religion+and+Ethics&rft.pages=%3Cspan+class%3D%22nowrap%22%3E889-%3C%2Fspan%3E891&rft.pub=Kessinger+Publishing&rft.date=2003&rft.isbn=978-0-7661-3698-4&rft.au=Pinches%2C+T.G.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DqVNqXDz4CE8C&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span> </span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFEmil_Schürer1905" class="citation journal cs1"><a href="/wiki/Emil_Sch%C3%BCrer" title="Emil Schürer">Emil Schürer</a> (1905). <a rel="nofollow" class="external text" href="https://dlibra.bibliotekaelblaska.pl/Content/56671/01.pdf">"Die siebentägige Woche im Gebrauche der christlichen Kirchen der ersten. Jahrhunderte"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Zeitschrift_f%C3%BCr_die_neutestamentliche_Wissenschaft" class="mw-redirect" title="Zeitschrift für die neutestamentliche Wissenschaft">Zeitschrift für die neutestamentliche Wissenschaft</a></i>: <span class="nowrap">1–</span>66.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Zeitschrift+f%C3%BCr+die+neutestamentliche+Wissenschaft&rft.atitle=Die+siebent%C3%A4gige+Woche+im+Gebrauche+der+christlichen+Kirchen+der+ersten.+Jahrhunderte&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E66&rft.date=1905&rft.au=Emil+Sch%C3%BCrer&rft_id=https%3A%2F%2Fdlibra.bibliotekaelblaska.pl%2FContent%2F56671%2F01.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA11_p._11]-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA11_p._11]_25-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFZerubavel1989">Zerubavel (1989)</a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC&pg=PA11">p. 11</a>.</span> </li> <li id="cite_note-Senn_1997-26"><span class="mw-cite-backlink">^ <a href="#cite_ref-Senn_1997_26-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Senn_1997_26-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Senn_1997_26-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Senn_1997_26-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSenn1997" class="citation book cs1">Senn, Frank C. (1997). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=g5c7C2rQzU0C"><i>Christian Liturgy: Catholic and Evangelical</i></a>. Fortress Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-8006-2726-3" title="Special:BookSources/978-0-8006-2726-3"><bdi>978-0-8006-2726-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Christian+Liturgy%3A+Catholic+and+Evangelical&rft.pub=Fortress+Press&rft.date=1997&rft.isbn=978-0-8006-2726-3&rft.aulast=Senn&rft.aufirst=Frank+C.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dg5c7C2rQzU0C&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-LSC-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-LSC_27-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLeland1939" class="citation journal cs1">Leland, S. Copeland (April 1939). <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/full/1939PA.....47..175C">"Sources of the Seven-Day Week"</a>. <i>Popular Astronomy</i>. <b>XLVII</b> (4): 176 ff. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1939PA.....47..175C">1939PA.....47..175C</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Popular+Astronomy&rft.atitle=Sources+of+the+Seven-Day+Week&rft.volume=XLVII&rft.issue=4&rft.pages=176+ff&rft.date=1939-04&rft_id=info%3Abibcode%2F1939PA.....47..175C&rft.aulast=Leland&rft.aufirst=S.+Copeland&rft_id=http%3A%2F%2Fadsabs.harvard.edu%2Ffull%2F1939PA.....47..175C&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text">A month consisted of three seven-day weeks and the fourth week of eight or nine days, thus breaking the seven-day cycle every month. Consequently, there is no evidence that the days of the week were given individual names in Babylonian tradition. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFPinches,_T.G.2003" class="citation book cs1">Pinches, T.G. (2003). "Sabbath (Babylonian)". In Hastings, James (ed.). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=qVNqXDz4CE8C"><i>Encyclopedia of Religion and Ethics</i></a>. Vol. 20. Selbie, John A., contrib. Kessinger Publishing. pp. <span class="nowrap">889–</span>891. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7661-3698-4" title="Special:BookSources/978-0-7661-3698-4"><bdi>978-0-7661-3698-4</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">17 March</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Sabbath+%28Babylonian%29&rft.btitle=Encyclopedia+of+Religion+and+Ethics&rft.pages=%3Cspan+class%3D%22nowrap%22%3E889-%3C%2Fspan%3E891&rft.pub=Kessinger+Publishing&rft.date=2003&rft.isbn=978-0-7661-3698-4&rft.au=Pinches%2C+T.G.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DqVNqXDz4CE8C&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text">"Each account is arranged in a series of sevens, the Babylonian in seven tablets, the Hebrew in seven days. Each of them places the creation of man in the sixth division of its series." cited after Albert T. Clay, <i>The Origin of Biblical Traditions: Hebrew Legends in Babylonia and Israel</i>, 1923, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=JKBLAwAAQBAJ&pg=PA74">p. 74</a>.</span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015027068470;view=1up;seq=197">"The Babylonian Sabbath"</a>. <a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015027068470;view=1up;seq=9"><i>The American Antiquarian and Oriental Journal</i></a>. Vol. XXX. 1908. p. 181<span class="reference-accessdate">. Retrieved <span class="nowrap">21 June</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Babylonian+Sabbath&rft.btitle=The+American+Antiquarian+and+Oriental+Journal&rft.pages=181&rft.date=1908&rft_id=https%3A%2F%2Fbabel.hathitrust.org%2Fcgi%2Fpt%3Fid%3Dmdp.39015027068470%3Bview%3D1up%3Bseq%3D197&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFAndreasen1972" class="citation book cs1">Andreasen, Niels-Erik A. (1972). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=kE0YAAAAIAAJ"><i>The Old Testament Sabbath: A Tradition-historical Investigation</i></a>. Society of Biblical Literature. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780891306832" title="Special:BookSources/9780891306832"><bdi>9780891306832</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Old+Testament+Sabbath%3A+A+Tradition-historical+Investigation&rft.pub=Society+of+Biblical+Literature&rft.date=1972&rft.isbn=9780891306832&rft.aulast=Andreasen&rft.aufirst=Niels-Erik+A.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DkE0YAAAAIAAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFShafer1974" class="citation journal cs1">Shafer, Byron E. (1974). "Reviewed Work: <i>The Old Testament Sabbath: A Tradition-Historical Investigation</i> by Niels-Erik A. Andreasen". <i>Journal of Biblical Literature</i>. <b>93</b> (2): <span class="nowrap">300–</span>301. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2307%2F3263102">10.2307/3263102</a>. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a> <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/3263102">3263102</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Biblical+Literature&rft.atitle=Reviewed+Work%3A+The+Old+Testament+Sabbath%3A+A+Tradition-Historical+Investigation+by+Niels-Erik+A.+Andreasen&rft.volume=93&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E300-%3C%2Fspan%3E301&rft.date=1974&rft_id=info%3Adoi%2F10.2307%2F3263102&rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F3263102%23id-name%3DJSTOR&rft.aulast=Shafer&rft.aufirst=Byron+E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-:1-33"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_33-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_33-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFTigay1998" class="citation journal cs1">Tigay, Jeffery H. (1998). "Shavua". <i>Mo'adei Yisra'el: Time and Holy Days in the Biblical and Second Commonwealth Periods (Heb.), ed. Jacob S. Licht</i>: <span class="nowrap">22–</span>23.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Mo%27adei+Yisra%27el%3A+Time+and+Holy+Days+in+the+Biblical+and+Second+Commonwealth+Periods+%28Heb.%29%2C+ed.+Jacob+S.+Licht&rft.atitle=Shavua&rft.pages=%3Cspan+class%3D%22nowrap%22%3E22-%3C%2Fspan%3E23&rft.date=1998&rft.aulast=Tigay&rft.aufirst=Jeffery+H.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFHallo1977" class="citation journal cs1">Hallo, William W. (1977). "New Moons and Sabbaths: A Case-Study in the Contrastive Approach". <i>Hebrew Union College Annual</i>. <b>48</b>: <span class="nowrap">1–</span>18. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a> <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/23506909">23506909</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Hebrew+Union+College+Annual&rft.atitle=New+Moons+and+Sabbaths%3A+A+Case-Study+in+the+Contrastive+Approach&rft.volume=48&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E18&rft.date=1977&rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F23506909%23id-name%3DJSTOR&rft.aulast=Hallo&rft.aufirst=William+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFFriedman2008" class="citation journal cs1">Friedman, Allen (September 2008). "Unnatural Time: Its History and Theological Significance". <i>The Torah U-Madda Journal</i>. <b>15</b>: <span class="nowrap">104–</span>105. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a> <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/40914729">40914729</a>, Tigay's citation.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Torah+U-Madda+Journal&rft.atitle=Unnatural+Time%3A+Its+History+and+Theological+Significance&rft.volume=15&rft.pages=%3Cspan+class%3D%22nowrap%22%3E104-%3C%2Fspan%3E105&rft.date=2008-09&rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F40914729%23id-name%3DJSTOR&rft.aulast=Friedman&rft.aufirst=Allen&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: postscript (<a href="/wiki/Category:CS1_maint:_postscript" title="Category:CS1 maint: postscript">link</a>)</span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cjvlang.com/Dow/dowjpn.html">"Japanese Days of the Week: the 'Seven Luminaries'<span class="cs1-kern-right"></span>"</a>. <i>Days of the Week in Chinese, Japanese, Vietnamese & Mongolian</i>. cjvlang.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Days+of+the+Week+in+Chinese%2C+Japanese%2C+Vietnamese+%26+Mongolian&rft.atitle=Japanese+Days+of+the+Week%3A+the+%27Seven+Luminaries%27&rft_id=http%3A%2F%2Fwww.cjvlang.com%2FDow%2Fdowjpn.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britannica.com/science/week">"Week"</a>. <i>Encyclopædia Britannica</i>. Encyclopædia Britannica, Inc<span class="reference-accessdate">. Retrieved <span class="nowrap">20 March</span> 2024</span>. <q>The Babylonians named each of the days after one of the five planetary bodies known to them (Mercury, Venus, Mars, Jupiter, and Saturn) and after the Sun and the Moon, a custom later adopted by the Romans.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Encyclop%C3%A6dia+Britannica&rft.atitle=Week&rft_id=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fweek&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._9]-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._9]_39-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFZerubavel1989">Zerubavel (1989)</a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC&pg=PA14">p. 9</a>.</span> </li> <li id="cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._14]-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA14_p._14]_40-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFZerubavel1989">Zerubavel (1989)</a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC&pg=PA14">p. 14</a>.</span> </li> <li id="cite_note-:2-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-:2_41-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFKeeganSearsLaurence2013" class="citation book cs1">Keegan, Peter; Sears, Gareth; Laurence, Ray (12 September 2013). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=PeVLAQAAQBAJ&pg=PA89"><i>Written Space in the Latin West, 200 BCE to 300 CE</i></a>. A&C Black. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781441123046" title="Special:BookSources/9781441123046"><bdi>9781441123046</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Written+Space+in+the+Latin+West%2C+200+BCE+to+300+CE&rft.pub=A%26C+Black&rft.date=2013-09-12&rft.isbn=9781441123046&rft.aulast=Keegan&rft.aufirst=Peter&rft.au=Sears%2C+Gareth&rft.au=Laurence%2C+Ray&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DPeVLAQAAQBAJ%26pg%3DPA89&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSo2017" class="citation book cs1">So, Ky-Chun (6 April 2017). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=e3ijDgAAQBAJ&pg=PA21"><i>Jesus in Q: The Sabbath and Theology of the Bible and Extracanonical Texts</i></a>. Wipf and Stock Publishers. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781498282116" title="Special:BookSources/9781498282116"><bdi>9781498282116</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Jesus+in+Q%3A+The+Sabbath+and+Theology+of+the+Bible+and+Extracanonical+Texts&rft.pub=Wipf+and+Stock+Publishers&rft.date=2017-04-06&rft.isbn=9781498282116&rft.aulast=So&rft.aufirst=Ky-Chun&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3De3ijDgAAQBAJ%26pg%3DPA21&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFBrind'Amour1983" class="citation book cs1 cs1-prop-foreign-lang-source">Brind'Amour, Pierre (1983). <i>Le calendrier Romain :Recherches chronologiques</i> (in French). Editions de l'Universitá d'Ottawa. pp. <span class="nowrap">256–</span>275. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/2760347028" title="Special:BookSources/2760347028"><bdi>2760347028</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Le+calendrier+Romain+%3ARecherches+chronologiques&rft.pages=%3Cspan+class%3D%22nowrap%22%3E256-%3C%2Fspan%3E275&rft.pub=Editions+de+l%27Universit%C3%A1+d%27Ottawa&rft.date=1983&rft.isbn=2760347028&rft.aulast=Brind%27Amour&rft.aufirst=Pierre&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSchaff1884" class="citation book cs1">Schaff, Philip (1884). <a rel="nofollow" class="external text" href="https://archive.org/details/historychristia01schagoog"><i>History of the Christian Church Vol. III</i></a>. Edinburgh: T&T Clark. p. <a rel="nofollow" class="external text" href="https://archive.org/details/historychristia01schagoog/page/n299">380</a><span class="reference-accessdate">. Retrieved <span class="nowrap">15 March</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=History+of+the+Christian+Church+Vol.+III&rft.place=Edinburgh&rft.pages=380&rft.pub=T%26T+Clark&rft.date=1884&rft.aulast=Schaff&rft.aufirst=Philip&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fhistorychristia01schagoog&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-TSZ-45"><span class="mw-cite-backlink"><b><a href="#cite_ref-TSZ_45-0">^</a></b></span> <span class="reference-text">Boyce, Mary (ed. & trans.). <i>Textual Sources for the Study of Zoroastrianism</i>. University of Chicago Press, 1984, p. 19-20.</span> </li> <li id="cite_note-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-46">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://bible.oremus.org/?passage=Genesis%201:1–2:3&version=nrsv">Genesis 1:1–2:3</a></span> </li> <li id="cite_note-landau-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-landau_47-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLandau,_Judah_Leo" class="citation book cs1">Landau, Judah Leo. <a rel="nofollow" class="external text" href="https://archive.org/stream/sabbath00land/sabbath00land_djvu.txt"><i>The Sabbath</i></a>. <a href="/wiki/Johannesburg,_South_Africa" class="mw-redirect" title="Johannesburg, South Africa">Johannesburg, South Africa</a>: Ivri Publishing Society, Ltd. pp. 2, 12<span class="reference-accessdate">. Retrieved <span class="nowrap">26 March</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Sabbath&rft.place=Johannesburg%2C+South+Africa&rft.pages=2%2C+12&rft.pub=Ivri+Publishing+Society%2C+Ltd&rft.au=Landau%2C+Judah+Leo&rft_id=https%3A%2F%2Farchive.org%2Fstream%2Fsabbath00land%2Fsabbath00land_djvu.txt&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-orr-48"><span class="mw-cite-backlink"><b><a href="#cite_ref-orr_48-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSampey,_John_Richard1915" class="citation book cs1">Sampey, John Richard (1915). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Tn4PAAAAYAAJ&pg=PA2630">"Sabbath: Critical Theories"</a>. In <a href="/wiki/James_Orr_(theologian)" title="James Orr (theologian)">Orr, James</a> (ed.). <i>The International Standard Bible Encyclopedia</i>. Howard-Severance Company. p. 2630.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Sabbath%3A+Critical+Theories&rft.btitle=The+International+Standard+Bible+Encyclopedia&rft.pages=2630&rft.pub=Howard-Severance+Company&rft.date=1915&rft.au=Sampey%2C+John+Richard&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DTn4PAAAAYAAJ%26pg%3DPA2630&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><i>Strong's Concordance</i>, <i>4521</i>.</span> </li> <li id="cite_note-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-50">^</a></b></span> <span class="reference-text">Matthew 28:1, Mark 16:2</span> </li> <li id="cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA45_p._45]-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA45_p._45]_51-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFZerubavel1989">Zerubavel (1989)</a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC&pg=PA45">p. 45</a>.</span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text"><i> Nerone Caesare Augusto Cosso Lentulo Cossil fil. Cos. VIII idus Febr(u)Arius dies solis, luna XIIIIX nun(dinae) Cumis, V (idus Februaries) nun(dinae) Pompeis</i>.<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRobert_Hannah2013" class="citation book cs1">Robert Hannah (2013). "Time in Written Spaces". In Peter Keegan; Gareth Sears; Ray Laurence (eds.). <i>Written Space in the Latin West, 200 BCE to 300 CE</i>. A&C Black. p. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=PeVLAQAAQBAJ&pg=PA89">89</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Time+in+Written+Spaces&rft.btitle=Written+Space+in+the+Latin+West%2C+200+BCE+to+300+CE&rft.pages=89&rft.pub=A%26C+Black&rft.date=2013&rft.au=Robert+Hannah&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-53">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://sunnah.com/muslim:2789">"Sahih Muslim 2789 - Characteristics of the Day of Judgment, Paradise, and Hell - كتاب صفة القيامة والجنة والنار - Sunnah.com - Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم)"</a>. <i>sunnah.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">17 July</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=sunnah.com&rft.atitle=Sahih+Muslim+2789+-+Characteristics+of+the+Day+of+Judgment%2C+Paradise%2C+and+Hell+-+%D9%83%D8%AA%D8%A7%D8%A8+%D8%B5%D9%81%D8%A9+%D8%A7%D9%84%D9%82%D9%8A%D8%A7%D9%85%D8%A9+%D9%88%D8%A7%D9%84%D8%AC%D9%86%D8%A9+%D9%88%D8%A7%D9%84%D9%86%D8%A7%D8%B1+-+Sunnah.com+-+Sayings+and+Teachings+of+Prophet+Muhammad+%28%D8%B5%D9%84%D9%89+%D8%A7%D9%84%D9%84%D9%87+%D8%B9%D9%84%D9%8A%D9%87+%D9%88+%D8%B3%D9%84%D9%85%29&rft_id=https%3A%2F%2Fsunnah.com%2Fmuslim%3A2789&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-54"><span class="mw-cite-backlink"><b><a href="#cite_ref-54">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFShashi2000" class="citation book cs1">Shashi, Shyam Singh (2000). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=nhYgnKipe-QC"><i>Encyclopaedia Indica India, Pakistan, Bangladesh Vol. 76 Major dynasties of ancient Orissa: India, Pakistan, Bangladesh</i></a>. Anmol Publications PVT. LTD. pp. <span class="nowrap">114–</span>115. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-81-7041-859-7" title="Special:BookSources/978-81-7041-859-7"><bdi>978-81-7041-859-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Encyclopaedia+Indica+India%2C+Pakistan%2C+Bangladesh+Vol.+76+Major+dynasties+of+ancient+Orissa%3A+India%2C+Pakistan%2C+Bangladesh&rft.pages=%3Cspan+class%3D%22nowrap%22%3E114-%3C%2Fspan%3E115&rft.pub=Anmol+Publications+PVT.+LTD&rft.date=2000&rft.isbn=978-81-7041-859-7&rft.aulast=Shashi&rft.aufirst=Shyam+Singh&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DnhYgnKipe-QC&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFPandurang_Vaman_Kane1930–1962" class="citation book cs1">Pandurang Vaman Kane (1930–1962). <i><a href="/wiki/History_of_Dharma%C5%9B%C4%81stra" title="History of Dharmaśāstra">History of Dharmaśāstra</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=History+of+Dharma%C5%9B%C4%81stra&rft.date=1930%2F1962&rft.au=Pandurang+Vaman+Kane&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFNeugebauer1979" class="citation book cs1">Neugebauer, Otto (1979). <i>Ethiopic astronomy and computus</i>. Verl. d. Österr. Akad. d. Wiss. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-7001-0289-2" title="Special:BookSources/978-3-7001-0289-2"><bdi>978-3-7001-0289-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ethiopic+astronomy+and+computus&rft.pub=Verl.+d.+%C3%96sterr.+Akad.+d.+Wiss&rft.date=1979&rft.isbn=978-3-7001-0289-2&rft.aulast=Neugebauer&rft.aufirst=Otto&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><b><a href="#cite_ref-57">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFJayne_Lutwyche2013" class="citation web cs1">Jayne Lutwyche (22 January 2013). <a rel="nofollow" class="external text" href="https://www.bbc.co.uk/religion/0/20394641">"Why are there seven days in a week?"</a>. <i>Religion & Ethics</i>. BBC. <q>The Roman context of the spread of Christianity meant that Rome contributed a lot to the structure and calendar of the new faith</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Religion+%26+Ethics&rft.atitle=Why+are+there+seven+days+in+a+week%3F&rft.date=2013-01-22&rft.au=Jayne+Lutwyche&rft_id=http%3A%2F%2Fwww.bbc.co.uk%2Freligion%2F0%2F20394641&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-Ryan380-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ryan380_58-0">^</a></b></span> <span class="reference-text">William Francis Ryan, <i>The Bathhouse at Midnight: An Historical Survey of Magic and Divination in Russia</i>, Penn State Press, 1999 <a rel="nofollow" class="external text" href="https://books.google.com/books?id=S3qJMMYH6VYC&pg=PA380">p. 380</a>.</span> </li> <li id="cite_note-Ryan383-59"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ryan383_59-0">^</a></b></span> <span class="reference-text">William Francis Ryan, <i>The Bathhouse at Midnight: An Historical Survey of Magic and Divination in Russia</i>, Penn State Press, 1999 <a rel="nofollow" class="external text" href="https://books.google.com/books?id=S3qJMMYH6VYC&pg=PA383">p. 383</a>.</span> </li> <li id="cite_note-61"><span class="mw-cite-backlink"><b><a href="#cite_ref-61">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFPeter_Kirby" class="citation web cs1">Peter Kirby. <a rel="nofollow" class="external text" href="http://www.earlychristianwritings.com/text/justinmartyr-dialoguetrypho.html">"Saint Justin Martyr: Dialogue with Trypho"</a>. <i>Early Christian Writings</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Early+Christian+Writings&rft.atitle=Saint+Justin+Martyr%3A+Dialogue+with+Trypho&rft.au=Peter+Kirby&rft_id=http%3A%2F%2Fwww.earlychristianwritings.com%2Ftext%2Fjustinmartyr-dialoguetrypho.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-62"><span class="mw-cite-backlink"><b><a href="#cite_ref-62">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFPeter_Johann_Haas2002" class="citation web cs1">Peter Johann Haas (26 January 2002). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160209193500/http://www.pjh2.de/datetime/weeknumber/wnd.php?l=en">"Weeknumber sorted by definition"</a>. <i>pjh2.de</i>. Archived from <a rel="nofollow" class="external text" href="http://www.pjh2.de/datetime/weeknumber/wnd.php?l=en">the original</a> on 9 February 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">3 April</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=pjh2.de&rft.atitle=Weeknumber+sorted+by+definition&rft.date=2002-01-26&rft.au=Peter+Johann+Haas&rft_id=http%3A%2F%2Fwww.pjh2.de%2Fdatetime%2Fweeknumber%2Fwnd.php%3Fl%3Den&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-63">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1 cs1-prop-unfit"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20140113000828/http://www.merlyn.demon.co.uk/weekinfo.htm">"Calendar Weeks"</a>. J. R. Stockton. Archived from the original on 13 January 2014.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Calendar+Weeks&rft.pub=J.+R.+Stockton&rft_id=http%3A%2F%2Fwww.merlyn.demon.co.uk%2Fweekinfo.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-64"><span class="mw-cite-backlink"><b><a href="#cite_ref-64">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.rab.com/public/reports/broadcastCalendar.cfm?type=nm">"Broadcast Calendars | RAB.com"</a>. <i>www.rab.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 May</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.rab.com&rft.atitle=Broadcast+Calendars+%7C+RAB.com&rft_id=http%3A%2F%2Fwww.rab.com%2Fpublic%2Freports%2FbroadcastCalendar.cfm%3Ftype%3Dnm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-65"><span class="mw-cite-backlink"><b><a href="#cite_ref-65">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation journal cs1"><a rel="nofollow" class="external text" href="https://www3.paho.org/english/sha/be993calend.htm">"Norms and Standards in Epidemiology: Epidemiological Calendar 2000"</a>. <i>Epidemiological Bulletin</i>. <b>20</b> (3). <a href="/wiki/Pan_American_Health_Organization" title="Pan American Health Organization">Pan American Health Organization</a>. September 1999. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0256-1859">0256-1859</a><span class="reference-accessdate">. Retrieved <span class="nowrap">11 September</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Epidemiological+Bulletin&rft.atitle=Norms+and+Standards+in+Epidemiology%3A+Epidemiological+Calendar+2000&rft.volume=20&rft.issue=3&rft.date=1999-09&rft.issn=0256-1859&rft_id=https%3A%2F%2Fwww3.paho.org%2Fenglish%2Fsha%2Fbe993calend.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-66"><span class="mw-cite-backlink"><b><a href="#cite_ref-66">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20140405090712/http://focus.ti.com/quality/docs/gencontent.tsp?templateId=5909&navigationId=12626&contentId=153966">"Quality & Lead-free (Pb-free): Marking Convention"</a>. Texas Instrument. Archived from <a rel="nofollow" class="external text" href="http://focus.ti.com/quality/docs/gencontent.tsp?templateId=5909&navigationId=12626&contentId=153966">the original</a> on 5 April 2014.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Quality+%26+Lead-free+%28Pb-free%29%3A+Marking+Convention&rft.pub=Texas+Instrument&rft_id=http%3A%2F%2Ffocus.ti.com%2Fquality%2Fdocs%2Fgencontent.tsp%3FtemplateId%3D5909%26navigationId%3D12626%26contentId%3D153966&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-67"><span class="mw-cite-backlink"><b><a href="#cite_ref-67">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20140714111530/http://www.fairchildsemi.com/support/packaging/topmark/dateCode4/">"Top Mark Convention – 4-Digit Date Code"</a>. Fairchild Semiconductor. Archived from <a rel="nofollow" class="external text" href="http://www.fairchildsemi.com/support/packaging/topmark/dateCode4/">the original</a> on 14 July 2014.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Top+Mark+Convention+%E2%80%93+4-Digit+Date+Code&rft.pub=Fairchild+Semiconductor&rft_id=http%3A%2F%2Fwww.fairchildsemi.com%2Fsupport%2Fpackaging%2Ftopmark%2FdateCode4%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-68"><span class="mw-cite-backlink"><b><a href="#cite_ref-68">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.law.cornell.edu/cfr/text/49/574.5">"49 CFR 574.5 – Tire identification requirements"</a>. <i>Legal Information Institute</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Legal+Information+Institute&rft.atitle=49+CFR+574.5+%E2%80%93+Tire+identification+requirements&rft_id=https%3A%2F%2Fwww.law.cornell.edu%2Fcfr%2Ftext%2F49%2F574.5&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-69"><span class="mw-cite-backlink"><b><a href="#cite_ref-69">^</a></b></span> <span class="reference-text"><a href="/wiki/OED" class="mw-redirect" title="OED">OED</a> s.v. "week <i>n.</i>", entry 1.c.: "Sometimes applied <i>transf.</i> to other artificial cycles of a few days that have been employed various peoples"</span> </li> <li id="cite_note-Knorr-70"><span class="mw-cite-backlink"><b><a href="#cite_ref-Knorr_70-0">^</a></b></span> <span class="reference-text"><i><a rel="nofollow" class="external text" href="http://dialnet.unirioja.es/servlet/fichero_articulo?articulo=26362&orden=59718">Astronomy and Basque Language</a></i>, <a href="/w/index.php?title=Henrike_Kn%C3%B6rr&action=edit&redlink=1" class="new" title="Henrike Knörr (page does not exist)">Henrike Knörr</a>, <i>Oxford VI and SEAC 99 "Astronomy and Cultural Diversity"</i>, <a href="/wiki/San_Crist%C3%B3bal_de_La_Laguna" title="San Cristóbal de La Laguna">La Laguna</a>, June 1999. It references <a href="/wiki/Alessandro_Bausani" title="Alessandro Bausani">Alessandro Bausani</a>, 1982, <i>The prehistoric Basque week of three days: archaeoastronomical notes</i>, <i>The Bulletin of the <a href="/w/index.php?title=Center_for_Archaeoastronomy&action=edit&redlink=1" class="new" title="Center for Archaeoastronomy (page does not exist)">Center for Archaeoastronomy</a></i> (Maryland), v. 2, 16–22. 1. <i>astelehena</i> ("week-first", Monday), 2. <i>asteartea</i> ("week-between", Tuesday), 3. <i>asteazkena</i> ("week-last", Wednesday).</span> </li> <li id="cite_note-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA50_pp._50–54]-71"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEZerubavel1989[httpsbooksgooglecombooksidCd5ZjRsNj4sCpgPA50_pp._50–54]_71-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFZerubavel1989">Zerubavel (1989)</a>, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC&pg=PA50">pp. 50–54</a>.</span> </li> <li id="cite_note-72"><span class="mw-cite-backlink"><b><a href="#cite_ref-72">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.aztec-history.com/aztec-calendar-stone.html">"Aztec calendar stone"</a>. <i>aztec-history.com</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=aztec-history.com&rft.atitle=Aztec+calendar+stone&rft_id=http%3A%2F%2Fwww.aztec-history.com%2Faztec-calendar-stone.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-73"><span class="mw-cite-backlink"><b><a href="#cite_ref-73">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFAntoine_Augustin_Renouard1822" class="citation book cs1">Antoine Augustin Renouard (1822). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=oUoMAAAAIAAJ"><i>Manuel pour la concordance des calendriers républicain et grégorien</i></a> (2 ed.). A. A. Renouard<span class="reference-accessdate">. Retrieved <span class="nowrap">14 September</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Manuel+pour+la+concordance+des+calendriers+r%C3%A9publicain+et+gr%C3%A9gorien&rft.edition=2&rft.pub=A.+A.+Renouard&rft.date=1822&rft.au=Antoine+Augustin+Renouard&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DoUoMAAAAIAAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-74"><span class="mw-cite-backlink"><b><a href="#cite_ref-74">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFZerubavel1985" class="citation book cs1"><a href="/wiki/Eviatar_Zerubavel" title="Eviatar Zerubavel">Zerubavel, Eviatar</a> (1985). <a rel="nofollow" class="external text" href="https://archive.org/details/sevendaycircleth00zeru/page/48"><i>The Seven-Day Circle</i></a>. New York: The Free Press. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/sevendaycircleth00zeru/page/48">48–50</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0029346800" title="Special:BookSources/0029346800"><bdi>0029346800</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Seven-Day+Circle&rft.place=New+York&rft.pages=48-50&rft.pub=The+Free+Press&rft.date=1985&rft.isbn=0029346800&rft.aulast=Zerubavel&rft.aufirst=Eviatar&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsevendaycircleth00zeru%2Fpage%2F48&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-Foss-75"><span class="mw-cite-backlink"><b><a href="#cite_ref-Foss_75-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFFoss2004" class="citation journal cs1">Foss, Clive (September 2004). "Stalin's topsy-turvy work week". <i>History Today</i>. <b>54</b> (9): <span class="nowrap">46–</span>47.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=History+Today&rft.atitle=Stalin%27s+topsy-turvy+work+week&rft.volume=54&rft.issue=9&rft.pages=%3Cspan+class%3D%22nowrap%22%3E46-%3C%2Fspan%3E47&rft.date=2004-09&rft.aulast=Foss&rft.aufirst=Clive&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-Russie-76"><span class="mw-cite-backlink"><b><a href="#cite_ref-Russie_76-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="http://icalendrier.fr/calendriers-saga/etudes-thematiques/reforme-gregorienne#russie">"La réforme en Russie: Il faudra attendre ... plus de trois siècles"</a> [The reform in Russia: It will be necessary to wait ... more than three centuries]. <i>iCalendrier</i> (in French).</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=iCalendrier&rft.atitle=La+r%C3%A9forme+en+Russie%3A+Il+faudra+attendre+...+plus+de+trois+si%C3%A8cles&rft_id=http%3A%2F%2Ficalendrier.fr%2Fcalendriers-saga%2Fetudes-thematiques%2Freforme-gregorienne%23russie&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> <li id="cite_note-77"><span class="mw-cite-backlink"><b><a href="#cite_ref-77">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFZerubavel1985" class="citation book cs1"><a href="/wiki/Eviatar_Zerubavel" title="Eviatar Zerubavel">Zerubavel, Eviatar</a> (1985). <a rel="nofollow" class="external text" href="https://archive.org/details/sevendaycircleth00zeru/page/35">"The Soviet five-day <i>Nepreryvka</i>"</a>. <i>The Seven Day Circle</i>. New York: Free Press. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/sevendaycircleth00zeru/page/35">35–43</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0029346800" title="Special:BookSources/0029346800"><bdi>0029346800</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Soviet+five-day+Nepreryvka&rft.btitle=The+Seven+Day+Circle&rft.place=New+York&rft.pages=35-43&rft.pub=Free+Press&rft.date=1985&rft.isbn=0029346800&rft.aulast=Zerubavel&rft.aufirst=Eviatar&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsevendaycircleth00zeru%2Fpage%2F35&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></span> </li> </ol></div></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFZerubavel1989" class="citation book cs1">Zerubavel, Eviatar (1989). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Cd5ZjRsNj4sC"><i>The Seven Day Circle: The History and Meaning of the Week</i></a>. University of Chicago Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-226-98165-9" title="Special:BookSources/978-0-226-98165-9"><bdi>978-0-226-98165-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Seven+Day+Circle%3A+The+History+and+Meaning+of+the+Week&rft.pub=University+of+Chicago+Press&rft.date=1989&rft.isbn=978-0-226-98165-9&rft.aulast=Zerubavel&rft.aufirst=Eviatar&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DCd5ZjRsNj4sC&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Week&action=edit&section=28" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFColson1926" class="citation book cs1">Colson, Francis Henry (1926). <i>The Week: An Essay on the Origin and Development of the Seven-day Cycle</i>. Cambridge University Press. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/59110177">59110177</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Week%3A+An+Essay+on+the+Origin+and+Development+of+the+Seven-day+Cycle&rft.pub=Cambridge+University+Press&rft.date=1926&rft_id=info%3Aoclcnum%2F59110177&rft.aulast=Colson&rft.aufirst=Francis+Henry&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFThomas1911" class="citation encyclopaedia cs1"><a href="/wiki/Northcote_Whitridge_Thomas" class="mw-redirect" title="Northcote Whitridge Thomas">Thomas, Northcote Whitridge</a> (1911). <span class="cs1-ws-icon" title="s:1911 Encyclopædia Britannica/Week"><a class="external text" href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Week">"Week" </a></span>. In <a href="/wiki/Hugh_Chisholm" title="Hugh Chisholm">Chisholm, Hugh</a> (ed.). <i><a href="/wiki/Encyclop%C3%A6dia_Britannica_Eleventh_Edition" title="Encyclopædia Britannica Eleventh Edition">Encyclopædia Britannica</a></i>. Vol. 28 (11th ed.). Cambridge University Press. p. 466.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Week&rft.btitle=Encyclop%C3%A6dia+Britannica&rft.pages=466&rft.edition=11th&rft.pub=Cambridge+University+Press&rft.date=1911&rft.aulast=Thomas&rft.aufirst=Northcote+Whitridge&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWeek" class="Z3988"></span></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol 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title="Horology">Measurement</a><br />and <a href="/wiki/Time_standard" title="Time standard">standards</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/Chronometry" title="Chronometry">Chronometry</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coordinated_Universal_Time" title="Coordinated Universal Time">UTC</a></li> <li><a href="/wiki/Universal_Time" title="Universal Time">UT</a></li> <li><a href="/wiki/International_Atomic_Time" title="International Atomic Time">TAI</a></li> <li><a href="/wiki/Unit_of_time" title="Unit of time">Unit of time</a></li> <li><a href="/wiki/Orders_of_magnitude_(time)" title="Orders of magnitude (time)">Orders of magnitude (time)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/System_of_measurement" class="mw-redirect" title="System of measurement">Measurement<br />systems</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Italian_six-hour_clock" title="Italian six-hour clock">Italian six-hour clock</a></li> <li><a href="/wiki/Thai_six-hour_clock" title="Thai six-hour clock">Thai six-hour clock</a></li> <li><a href="/wiki/12-hour_clock" title="12-hour clock">12-hour clock</a></li> <li><a href="/wiki/24-hour_clock" title="24-hour clock">24-hour clock</a></li> <li><a href="/wiki/Relative_hour" title="Relative hour">Relative hour</a></li> <li><a href="/wiki/Daylight_saving_time" title="Daylight saving time">Daylight saving time</a></li> <li><a href="/wiki/Traditional_Chinese_timekeeping" title="Traditional Chinese timekeeping">Chinese</a></li> <li><a href="/wiki/Decimal_time" title="Decimal time">Decimal</a></li> <li><a href="/wiki/Hexadecimal_time" title="Hexadecimal time">Hexadecimal</a></li> <li><a href="/wiki/Hindu_units_of_time" title="Hindu units of time">Hindu</a></li> <li><a href="/wiki/Metric_time" title="Metric time">Metric</a></li> <li><a href="/wiki/Roman_timekeeping" title="Roman timekeeping">Roman</a></li> <li><a href="/wiki/Sidereal_time" title="Sidereal time">Sidereal</a></li> <li><a href="/wiki/Solar_time" title="Solar time">Solar</a></li> <li><a href="/wiki/Time_zone" title="Time zone">Time zone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/Calendar" title="Calendar">Calendars</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Calendar#Systems" title="Calendar">Main types</a> <ul><li><a href="/wiki/Solar_calendar" title="Solar calendar">Solar</a></li> <li><a href="/wiki/Lunar_calendar" title="Lunar calendar">Lunar</a></li> <li><a href="/wiki/Lunisolar_calendar" title="Lunisolar calendar">Lunisolar</a></li></ul></li> <li><a href="/wiki/Gregorian_calendar" title="Gregorian calendar">Gregorian</a></li> <li><a href="/wiki/Julian_calendar" title="Julian calendar">Julian</a></li> <li><a href="/wiki/Hebrew_calendar" title="Hebrew calendar">Hebrew</a></li> <li><a href="/wiki/Islamic_calendar" title="Islamic calendar">Islamic</a></li> <li><a href="/wiki/Solar_Hijri_calendar" title="Solar Hijri calendar">Solar Hijri</a></li> <li><a href="/wiki/Chinese_calendar" title="Chinese calendar">Chinese</a></li> <li><a href="/wiki/Hindu_calendar" title="Hindu calendar">Hindu Panchang</a></li> <li><a href="/wiki/Maya_calendar" title="Maya calendar">Maya</a></li> <li><i><a href="/wiki/List_of_calendars" title="List of calendars">List</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/Clock" title="Clock">Clocks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Clock#Types" title="Clock">Main types</a> <ul><li><a href="/wiki/Astronomical_clock" title="Astronomical clock">astronomical</a> <ul><li><a href="/wiki/Astrarium" title="Astrarium">astrarium</a></li></ul></li> <li><a href="/wiki/Atomic_clock" title="Atomic clock">atomic</a> <ul><li><a href="/wiki/Quantum_clock" class="mw-redirect" title="Quantum clock">quantum</a></li></ul></li> <li><a href="/wiki/Hourglass" title="Hourglass">hourglass</a></li> <li><a href="/wiki/Marine_chronometer" title="Marine chronometer">marine</a></li> <li><a href="/wiki/Sundial" title="Sundial">sundial</a></li> <li><a href="/wiki/Watch" title="Watch">watch</a> <ul><li><a href="/wiki/Mechanical_watch" title="Mechanical watch">mechanical</a></li> <li><a href="/wiki/Stopwatch" title="Stopwatch">stopwatch</a></li></ul></li> <li><a href="/wiki/Water_clock" title="Water clock">water-based</a></li></ul></li> <li><a href="/wiki/Cuckoo_clock" title="Cuckoo clock">Cuckoo clock</a></li> <li><a href="/wiki/Digital_clock" title="Digital clock">Digital clock</a></li> <li><a href="/wiki/Grandfather_clock" title="Grandfather clock">Grandfather clock</a></li> <li><i><a href="/wiki/History_of_timekeeping_devices" title="History of timekeeping devices">History</a></i> <ul><li><i><a href="/wiki/Timeline_of_time_measurement_inventions" title="Timeline of time measurement inventions">Timeline</a></i></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div class="hlist"><ul><li><a href="/wiki/Chronology" title="Chronology">Chronology</a></li><li><a href="/wiki/History" title="History">History</a></li></ul></div></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Astronomical_chronology" title="Astronomical chronology">Astronomical chronology</a></li> <li><a href="/wiki/Big_History" title="Big History">Big History</a></li> <li><a href="/wiki/Calendar_era" title="Calendar era">Calendar era</a></li> <li><a href="/wiki/Deep_time" title="Deep time">Deep time</a></li> <li><a href="/wiki/Periodization" title="Periodization">Periodization</a></li> <li><a href="/wiki/Regnal_year" title="Regnal year">Regnal year</a></li> <li><a href="/wiki/Timeline" title="Timeline">Timeline</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Philosophy_of_space_and_time" title="Philosophy of space and time">Philosophy of time</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/A_series_and_B_series" title="A series and B series">A series and B series</a></li> <li><a href="/wiki/B-theory_of_time" title="B-theory of time">B-theory of time</a></li> <li><a href="/wiki/Chronocentrism" title="Chronocentrism">Chronocentrism</a></li> <li><a href="/wiki/Duration_(philosophy)" title="Duration (philosophy)">Duration</a></li> <li><a href="/wiki/Endurantism" title="Endurantism">Endurantism</a></li> <li><a href="/wiki/Eternal_return" title="Eternal return">Eternal return</a></li> <li><a href="/wiki/Eternalism_(philosophy_of_time)" title="Eternalism (philosophy of time)">Eternalism</a></li> <li><a href="/wiki/Event_(philosophy)" title="Event (philosophy)">Event</a></li> <li><a href="/wiki/Perdurantism" title="Perdurantism">Perdurantism</a></li> <li><a href="/wiki/Philosophical_presentism" title="Philosophical presentism">Presentism</a></li> <li><a href="/wiki/Temporal_finitism" title="Temporal finitism">Temporal finitism</a></li> <li><a href="/wiki/Temporal_parts" title="Temporal parts">Temporal parts</a></li> <li><i><a href="/wiki/The_Unreality_of_Time" title="The Unreality of Time">The Unreality of Time</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><div class="hlist"><ul><li><a href="/wiki/Category:Time_in_religion" title="Category:Time in religion">Religion</a></li><li><a href="/wiki/Template:Time_in_religion_and_mythology" title="Template:Time in religion and mythology">Mythology</a></li></ul></div></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ages_of_Man" title="Ages of Man">Ages of Man</a></li> <li><a href="/wiki/Destiny" title="Destiny">Destiny</a></li> <li><a href="/wiki/Immortality" title="Immortality">Immortality</a></li> <li><a href="/wiki/The_Dreaming" title="The Dreaming">Dreamtime</a></li> <li><a href="/wiki/K%C4%81la" title="Kāla">Kāla</a></li> <li><a href="/wiki/Time_and_fate_deities" title="Time and fate deities">Time and fate deities</a> <ul><li><a href="/wiki/Father_Time" title="Father Time">Father Time</a></li></ul></li> <li><a href="/wiki/Wheel_of_time" title="Wheel of time">Wheel of time</a> <ul><li><a href="/wiki/Kalachakra" title="Kalachakra">Kalachakra</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Time_perception" title="Time perception">Human experience</a><br />and <a href="/wiki/Time-use_research" title="Time-use research">use of time</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chronemics" title="Chronemics">Chronemics</a></li> <li><a href="/wiki/Generation_time" title="Generation time">Generation time</a></li> <li><a href="/wiki/Mental_chronometry" title="Mental chronometry">Mental chronometry</a></li> <li><a href="/wiki/Duration_(music)" title="Duration (music)">Music</a> <ul><li><a href="/wiki/Tempo" title="Tempo">tempo</a></li> <li><a href="/wiki/Time_signature" title="Time signature">time signature</a></li></ul></li> <li><a href="/wiki/Rosy_retrospection" title="Rosy retrospection">Rosy retrospection</a></li> <li><a href="/wiki/Tense%E2%80%93aspect%E2%80%93mood" title="Tense–aspect–mood">Tense–aspect–mood</a></li> <li><a href="/wiki/Time_management" title="Time management">Time management</a></li> <li><a href="/wiki/Yesterday_(time)" title="Yesterday (time)">Yesterday</a> – <a href="/wiki/Present" title="Present">Today</a> – <a href="/wiki/Tomorrow_(time)" title="Tomorrow (time)">Tomorrow</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Time in <a href="/wiki/Science" title="Science">science</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/Geology" title="Geology">Geology</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geological time</a> <ul><li><a href="/wiki/Age_(geology)" class="mw-redirect" title="Age (geology)">age</a></li> <li><a href="/wiki/Chronozone" title="Chronozone">chron</a></li> <li><a href="/wiki/Eon_(geology)" class="mw-redirect" title="Eon (geology)">eon</a></li> <li><a href="/wiki/Epoch_(geology)" class="mw-redirect" title="Epoch (geology)">epoch</a></li> <li><a href="/wiki/Era_(geology)" class="mw-redirect" title="Era (geology)">era</a></li> <li><a href="/wiki/Geological_period" class="mw-redirect" title="Geological period">period</a></li></ul></li> <li><a href="/wiki/Geochronology" title="Geochronology">Geochronology</a></li> <li><a href="/wiki/Geological_history_of_Earth" title="Geological history of Earth">Geological history of Earth</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;"><a href="/wiki/Time_in_physics" title="Time in physics">Physics</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Absolute_space_and_time" title="Absolute space and time">Absolute space and time</a></li> <li><a href="/wiki/Arrow_of_time" title="Arrow of time">Arrow of time</a></li> <li><a href="/wiki/Chronon" title="Chronon">Chronon</a></li> <li><a href="/wiki/Coordinate_time" title="Coordinate time">Coordinate time</a></li> <li><a href="/wiki/Instant" title="Instant">Instant</a></li> <li><a href="/wiki/Proper_time" title="Proper time">Proper time</a></li> <li><a href="/wiki/Spacetime" title="Spacetime">Spacetime</a></li> <li><a href="/wiki/Theory_of_relativity" title="Theory of relativity">Theory of relativity</a></li> <li><a href="/wiki/Time_domain" title="Time domain">Time domain</a></li> <li><a href="/wiki/Time_translation_symmetry" class="mw-redirect" title="Time translation symmetry">Time translation symmetry</a></li> <li><a href="/wiki/T-symmetry" title="T-symmetry">Time reversal symmetry</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6.5em;font-weight:normal; text-align:center;">Other fields</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chronological_dating" title="Chronological dating">Chronological dating</a></li> <li><a href="/wiki/Chronobiology" title="Chronobiology">Chronobiology</a> <ul><li><a href="/wiki/Circadian_rhythm" title="Circadian rhythm">Circadian rhythms</a></li></ul></li> <li><a href="/wiki/Chemical_clock" title="Chemical clock">Clock reaction</a></li> <li><a href="/wiki/Glottochronology" title="Glottochronology">Glottochronology</a></li> <li><a href="/wiki/Time_geography" title="Time geography">Time geography</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Leap_year" title="Leap year">Leap year</a></li> <li><a href="/wiki/Memory" title="Memory">Memory</a></li> <li><a href="/wiki/Moment_(unit)" title="Moment (unit)">Moment</a></li> <li><a href="/wiki/Space" title="Space">Space</a></li> <li><a href="/wiki/System_time" title="System time">System time</a></li> <li><i><a href="/wiki/Tempus_fugit" title="Tempus fugit">Tempus fugit</a></i></li> <li><a href="/wiki/Time_capsule" title="Time capsule">Time capsule</a></li> <li><a href="/wiki/Time_immemorial" title="Time immemorial">Time immemorial</a></li> <li><a href="/wiki/Time_travel" title="Time travel">Time travel</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Time" title="Category:Time">Category</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Time" class="extiw" title="commons:Category:Time">Commons</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235" /></div><div role="navigation" class="navbox" aria-labelledby="Time_measurement_and_standards342" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374" /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231" /><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Time_measurement_and_standards" title="Template:Time measurement and standards"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Time_measurement_and_standards" title="Template talk:Time measurement and standards"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Time_measurement_and_standards" title="Special:EditPage/Template:Time measurement and standards"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Time_measurement_and_standards342" style="font-size:114%;margin:0 4em"><a href="/wiki/Time" title="Time">Time measurement</a> and <a href="/wiki/Time_standard" title="Time standard">standards</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><a href="/wiki/Chronometry" title="Chronometry">Chronometry</a></li> <li><a href="/wiki/Orders_of_magnitude_(time)" title="Orders of magnitude (time)">Orders of magnitude</a></li> <li><a href="/wiki/Time_metrology" class="mw-redirect" title="Time metrology">Metrology</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">International standards</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coordinated_Universal_Time" title="Coordinated Universal Time">Coordinated Universal Time</a> <ul><li><a href="/wiki/UTC_offset" title="UTC offset">offset</a></li></ul></li> <li><a href="/wiki/Universal_Time" title="Universal Time">UT</a></li> <li><a href="/wiki/%CE%94T_(timekeeping)" title="ΔT (timekeeping)">ΔT</a></li> <li><a href="/wiki/DUT1" title="DUT1">DUT1</a></li> <li><a href="/wiki/International_Earth_Rotation_and_Reference_Systems_Service" title="International Earth Rotation and Reference Systems Service">International Earth Rotation and Reference Systems Service</a></li> <li><a href="/wiki/ISO_31-1" title="ISO 31-1">ISO 31-1</a></li> <li><a href="/wiki/ISO_8601" title="ISO 8601">ISO 8601</a></li> <li><a href="/wiki/International_Atomic_Time" title="International Atomic Time">International Atomic Time</a></li> <li><a href="/wiki/12-hour_clock" title="12-hour clock">12-hour clock</a></li> <li><a href="/wiki/24-hour_clock" title="24-hour clock">24-hour clock</a></li> <li><a href="/wiki/Barycentric_Coordinate_Time" title="Barycentric Coordinate Time">Barycentric Coordinate Time</a></li> <li><a href="/wiki/Barycentric_Dynamical_Time" title="Barycentric Dynamical Time">Barycentric Dynamical Time</a></li> <li><a href="/wiki/Civil_time" title="Civil time">Civil time</a></li> <li><a href="/wiki/Daylight_saving_time" title="Daylight saving time">Daylight saving time</a></li> <li><a href="/wiki/Geocentric_Coordinate_Time" title="Geocentric Coordinate Time">Geocentric Coordinate Time</a></li> <li><a href="/wiki/International_Date_Line" title="International Date Line">International Date Line</a></li> <li><a href="/wiki/IERS_Reference_Meridian" title="IERS Reference Meridian">IERS Reference Meridian</a></li> <li><a href="/wiki/Leap_second" title="Leap second">Leap second</a></li> <li><a href="/wiki/Solar_time" title="Solar time">Solar time</a></li> <li><a href="/wiki/Terrestrial_Time" title="Terrestrial Time">Terrestrial Time</a></li> <li><a href="/wiki/Time_zone" title="Time zone">Time zone</a></li> <li><a href="/wiki/180th_meridian" title="180th meridian">180th meridian</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/Hourglass" title="Hourglass"><img alt="template illustration" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Marine_sandglass_MMM.jpg/120px-Marine_sandglass_MMM.jpg" decoding="async" width="75" height="175" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Marine_sandglass_MMM.jpg/250px-Marine_sandglass_MMM.jpg 2x" data-file-width="1637" data-file-height="3819" /></a></span><br /><span typeof="mw:File"><a href="/wiki/Time_zone" title="Time zone"><img alt="template illustration" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Aleutian_Islands_with_180th_meridian_and_International_Date_Line_%28cropped%29.png/120px-Aleutian_Islands_with_180th_meridian_and_International_Date_Line_%28cropped%29.png" decoding="async" width="75" height="152" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Aleutian_Islands_with_180th_meridian_and_International_Date_Line_%28cropped%29.png/250px-Aleutian_Islands_with_180th_meridian_and_International_Date_Line_%28cropped%29.png 2x" data-file-width="496" data-file-height="1007" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Obsolete standards</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ephemeris_time" title="Ephemeris time">Ephemeris time</a></li> <li><a href="/wiki/Greenwich_Mean_Time" title="Greenwich Mean Time">Greenwich Mean Time</a></li> <li><a href="/wiki/Prime_meridian" title="Prime meridian">Prime meridian</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Time_in_physics" title="Time in physics">Time in physics</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Absolute_space_and_time" title="Absolute space and time">Absolute space and time</a></li> <li><a href="/wiki/Spacetime" title="Spacetime">Spacetime</a></li> <li><a href="/wiki/Chronon" title="Chronon">Chronon</a></li> <li><a href="/wiki/Continuous_signal" class="mw-redirect" title="Continuous signal">Continuous signal</a></li> <li><a href="/wiki/Coordinate_time" title="Coordinate time">Coordinate time</a></li> <li><a href="/wiki/Cosmological_decade" class="mw-redirect" title="Cosmological decade">Cosmological decade</a></li> <li><a href="/wiki/Discrete_time_and_continuous_time" title="Discrete time and continuous time">Discrete time and continuous time</a></li> <li><a href="/wiki/Proper_time" title="Proper time">Proper time</a></li> <li><a href="/wiki/Theory_of_relativity" title="Theory of relativity">Theory of relativity</a></li> <li><a href="/wiki/Time_dilation" title="Time dilation">Time dilation</a></li> <li><a href="/wiki/Gravitational_time_dilation" title="Gravitational time dilation">Gravitational time dilation</a></li> <li><a href="/wiki/Time_domain" title="Time domain">Time domain</a></li> <li><a href="/wiki/Time-translation_symmetry" title="Time-translation symmetry">Time-translation symmetry</a></li> <li><a href="/wiki/T-symmetry" title="T-symmetry">T-symmetry</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Horology" class="mw-redirect" title="Horology">Horology</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Clock" title="Clock">Clock</a></li> <li><a href="/wiki/Astrarium" title="Astrarium">Astrarium</a></li> <li><a href="/wiki/Atomic_clock" title="Atomic clock">Atomic clock</a></li> <li><a href="/wiki/Complication_(horology)" title="Complication (horology)">Complication</a></li> <li><a href="/wiki/History_of_timekeeping_devices" title="History of timekeeping devices">History of timekeeping devices</a></li> <li><a href="/wiki/Hourglass" title="Hourglass">Hourglass</a></li> <li><a href="/wiki/Marine_chronometer" title="Marine chronometer">Marine chronometer</a></li> <li><a href="/wiki/Marine_sandglass" title="Marine sandglass">Marine sandglass</a></li> <li><a href="/wiki/Radio_clock" title="Radio clock">Radio clock</a></li> <li><a href="/wiki/Watch" title="Watch">Watch</a> <ul><li><a href="/wiki/Stopwatch" title="Stopwatch">stopwatch</a></li></ul></li> <li><a href="/wiki/Water_clock" title="Water clock">Water clock</a></li> <li><a href="/wiki/Sundial" title="Sundial">Sundial</a></li> <li><a href="/wiki/Dialing_scales" title="Dialing scales">Dialing scales</a></li> <li><a href="/wiki/Equation_of_time" title="Equation of time">Equation of time</a></li> <li><a href="/wiki/History_of_sundials" title="History of sundials">History of sundials</a></li> <li><a href="/wiki/Schema_for_horizontal_dials" title="Schema for horizontal dials">Sundial markup schema</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Calendar" title="Calendar">Calendar</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gregorian_calendar" title="Gregorian calendar">Gregorian</a></li> <li><a href="/wiki/Hebrew_calendar" title="Hebrew calendar">Hebrew</a></li> <li><a href="/wiki/Hindu_calendar" title="Hindu calendar">Hindu</a></li> <li><a href="/wiki/Holocene_calendar" title="Holocene calendar">Holocene</a></li> <li><a href="/wiki/Islamic_calendar" title="Islamic calendar">Islamic</a> (lunar Hijri)</li> <li><a href="/wiki/Julian_calendar" title="Julian calendar">Julian</a></li> <li><a href="/wiki/Solar_Hijri_calendar" title="Solar Hijri calendar">Solar Hijri</a></li> <li><a href="/wiki/Astronomical_year_numbering" title="Astronomical year numbering">Astronomical</a></li> <li><a href="/wiki/Dominical_letter" title="Dominical letter">Dominical letter</a></li> <li><a href="/wiki/Epact" title="Epact">Epact</a></li> <li><a href="/wiki/Equinox" title="Equinox">Equinox</a></li> <li><a href="/wiki/Intercalation_(timekeeping)" title="Intercalation (timekeeping)">Intercalation</a></li> <li><a href="/wiki/Julian_day" title="Julian day">Julian day</a></li> <li><a href="/wiki/Leap_year" title="Leap year">Leap year</a></li> <li><a href="/wiki/Lunar_calendar" title="Lunar calendar">Lunar</a></li> <li><a href="/wiki/Lunisolar_calendar" title="Lunisolar calendar">Lunisolar</a></li> <li><a href="/wiki/Solar_calendar" title="Solar calendar">Solar</a></li> <li><a href="/wiki/Solstice" title="Solstice">Solstice</a></li> <li><a href="/wiki/Tropical_year" title="Tropical year">Tropical year</a></li> <li><a href="/wiki/Determination_of_the_day_of_the_week" title="Determination of the day of the week">Weekday determination</a></li> <li><a href="/wiki/Names_of_the_days_of_the_week" title="Names of the days of the week">Weekday names</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Archaeology and geology</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chronological_dating" title="Chronological dating">Chronological dating</a></li> <li><a href="/wiki/Geologic_time_scale" title="Geologic time scale">Geologic time scale</a></li> <li><a href="/wiki/International_Commission_on_Stratigraphy" title="International Commission on Stratigraphy">International Commission on Stratigraphy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astronomical_chronology" title="Astronomical chronology">Astronomical chronology</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Galactic_year" title="Galactic year">Galactic year</a></li> <li><a href="/wiki/Nuclear_timescale" title="Nuclear timescale">Nuclear timescale</a></li> <li><a href="/wiki/Precession" title="Precession">Precession</a></li> <li><a href="/wiki/Sidereal_time" title="Sidereal time">Sidereal time</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" 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Template:Pagetype"]},"scribunto":{"limitreport-timeusage":{"value":"0.678","limit":"10.000"},"limitreport-memusage":{"value":24641504,"limit":52428800},"limitreport-logs":"anchor_id_list = table#1 {\n [\"CITEREFAndreasen1972\"] = 1,\n [\"CITEREFAntoine_Augustin_Renouard1822\"] = 1,\n [\"CITEREFAslan2019\"] = 1,\n [\"CITEREFBrind\u0026#039;Amour1983\"] = 1,\n [\"CITEREFColson1926\"] = 1,\n [\"CITEREFCopeland1939\"] = 1,\n [\"CITEREFDio_Cassius\"] = 1,\n [\"CITEREFEmil_Schürer1905\"] = 1,\n [\"CITEREFFoss2004\"] = 1,\n [\"CITEREFFriedman2008\"] = 1,\n [\"CITEREFHallo1977\"] = 1,\n [\"CITEREFJayne_Lutwyche2013\"] = 1,\n [\"CITEREFKeeganSearsLaurence2013\"] = 1,\n [\"CITEREFLagasse2018\"] = 1,\n [\"CITEREFLandau,_Judah_Leo\"] = 1,\n [\"CITEREFLeland1939\"] = 1,\n [\"CITEREFMcKenna1938\"] = 1,\n [\"CITEREFMichaelis1982\"] = 1,\n [\"CITEREFNeugebauer1979\"] = 1,\n [\"CITEREFPandurang_Vaman_Kane1930–1962\"] = 1,\n [\"CITEREFPeter_Johann_Haas2002\"] = 1,\n [\"CITEREFPeter_Kirby\"] = 1,\n [\"CITEREFPinches,_T.G.2003\"] = 2,\n [\"CITEREFRehberger\"] = 1,\n [\"CITEREFRichard_A._Fletcher1999\"] = 1,\n [\"CITEREFRing2021\"] = 1,\n [\"CITEREFRobert_Hannah2013\"] = 1,\n [\"CITEREFSampey,_John_Richard1915\"] = 1,\n [\"CITEREFSchaff1884\"] = 1,\n [\"CITEREFSenn1997\"] = 1,\n [\"CITEREFShafer1974\"] = 1,\n [\"CITEREFShashi2000\"] = 1,\n [\"CITEREFSo2017\"] = 1,\n [\"CITEREFThomas1911\"] = 1,\n [\"CITEREFTigay1998\"] = 1,\n [\"CITEREFZerubavel1985\"] = 2,\n [\"CITEREFZerubavel1989\"] = 1,\n [\"Epidemiology\"] = 1,\n [\"Etymology\"] = 1,\n [\"Names\"] = 1,\n}\ntemplate_list = table#1 {\n [\"!\"] = 1,\n [\"According to whom\"] = 1,\n [\"Anchor\"] = 2,\n [\"Authority control\"] = 1,\n [\"Bibleverse\"] = 1,\n [\"CURRENTDAY\"] = 3,\n [\"CURRENTDAYNAME\"] = 2,\n [\"CURRENTJULIANDAY\"] = 3,\n [\"CURRENTMONTHNAME\"] = 3,\n [\"CURRENTYEAR\"] = 3,\n [\"Citation needed\"] = 4,\n [\"Cite EB1911\"] = 1,\n [\"Cite book\"] = 24,\n [\"Cite journal\"] = 10,\n [\"Cite news\"] = 1,\n [\"Cite web\"] = 20,\n [\"Cn\"] = 2,\n [\"Commons\"] = 1,\n [\"Dubious\"] = 1,\n [\"Efn\"] = 5,\n [\"Frac\"] = 3,\n [\"Further\"] = 4,\n [\"Lang\"] = 78,\n [\"Langx\"] = 11,\n [\"Legend\"] = 4,\n [\"Linktext\"] = 1,\n [\"Main\"] = 2,\n [\"Math\"] = 1,\n [\"More citations needed section\"] = 1,\n [\"Multiple image\"] = 1,\n [\"Notelist\"] = 1,\n [\"Nowrap\"] = 27,\n [\"Other uses\"] = 1,\n [\"Reflist\"] = 1,\n [\"Sfnp\"] = 5,\n [\"Short description\"] = 1,\n [\"Time measurement and standards\"] = 1,\n [\"Time topics\"] = 1,\n [\"Transl\"] = 1,\n [\"Use dmy dates\"] = 1,\n}\narticle_whitelist = table#1 {\n}\nciteref_patterns = table#1 {\n}\n"},"cachereport":{"origin":"mw-web.codfw.main-7dbbdd594f-pw4p7","timestamp":"20250406181128","ttl":20926,"transientcontent":true}}});});</script> <script 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