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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">dölj</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigering </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portal:Huvudsida" title="Besök huvudsidan [z]" accesskey="z"><span>Huvudsida</span></a></li><li id="n-Introduktion" class="mw-list-item"><a href="/wiki/Wikipedia:Introduktion"><span>Introduktion</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Deltagarportalen" title="Om projektet, vad du kan göra, var man kan hitta saker"><span>Deltagarportalen</span></a></li><li id="n-Bybrunnen" class="mw-list-item"><a href="/wiki/Wikipedia:Bybrunnen"><span>Bybrunnen</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:Senaste_%C3%A4ndringar" title="Lista över de senaste ändringarna på wikin [r]" accesskey="r"><span>Senaste ändringarna</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Slumpsida" title="Gå till en slumpmässigt vald sida [x]" accesskey="x"><span>Slumpartikel</span></a></li><li id="n-filuppladdning" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Ladda upp filer till Wikimedia Commons"><span>Ladda upp filer</span></a></li><li id="n-Kontakta-Wikipedia" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt"><span>Kontakta Wikipedia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wikipedia:Hj%C3%A4lp" title="Platsen där du hittar hjälp"><span>Hjälp</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portal:Huvudsida" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-sv.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:S%C3%B6k" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Sök i svenskspråkiga Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Sök</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search 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emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Ändra utseendet på sidans teckenstorlek, bredd och färg" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Utseende" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Utseende</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_sv.wikipedia.org&uselang=sv" class=""><span>Stöd Wikipedia</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Skapa_konto&returnto=Sekund" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt" class=""><span>Skapa konto</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Inloggning&returnto=Sekund" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o" class=""><span>Logga in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Fler alternativ" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personliga verktyg" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personliga verktyg</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Användarmeny" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_sv.wikipedia.org&uselang=sv"><span>Stöd Wikipedia</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Skapa_konto&returnto=Sekund" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Skapa konto</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Inloggning&returnto=Sekund" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logga in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sidor för utloggade redigerare <a href="/wiki/Hj%C3%A4lp:Introduktion" aria-label="Läs mer om redigering"><span>läs mer</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:Mina_bidrag" title="En lista över redigeringar från denna IP-adress [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:Min_diskussion" title="Diskussion om redigeringar från det här IP-numret [n]" accesskey="n"><span>Diskussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innehåll" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innehåll</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Definition" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Definition"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Definition</span> </div> </a> <ul id="toc-Definition-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Etymologi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Etymologi"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Etymologi</span> </div> </a> <ul id="toc-Etymologi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Historiska_definitioner" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historiska_definitioner"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Historiska definitioner</span> </div> </a> <button aria-controls="toc-Historiska_definitioner-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>Växla underavsnittet Historiska definitioner</span> </button> <ul id="toc-Historiska_definitioner-sublist" class="vector-toc-list"> <li id="toc-Sekunden_före_de_mekaniska_uren" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sekunden_före_de_mekaniska_uren"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Sekunden före de mekaniska uren</span> </div> </a> <ul id="toc-Sekunden_före_de_mekaniska_uren-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sekunden_mätt_med_mekaniska_ur" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sekunden_mätt_med_mekaniska_ur"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Sekunden mätt med mekaniska ur</span> </div> </a> <ul id="toc-Sekunden_mätt_med_mekaniska_ur-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sekunden_i_modernare_tid" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sekunden_i_modernare_tid"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Sekunden i modernare tid</span> </div> </a> <ul id="toc-Sekunden_i_modernare_tid-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Före_1956:_Medelsolsekunden" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Före_1956:_Medelsolsekunden"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Före 1956: Medelsolsekunden</span> </div> </a> <ul id="toc-Före_1956:_Medelsolsekunden-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mellan_1956_och_1967:_Efemeridsekunden" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mellan_1956_och_1967:_Efemeridsekunden"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Mellan 1956 och 1967: Efemeridsekunden</span> </div> </a> <ul id="toc-Mellan_1956_och_1967:_Efemeridsekunden-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Nutida_definition:_Atomsekunden" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Nutida_definition:_Atomsekunden"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Nutida definition: Atomsekunden</span> </div> </a> <ul id="toc-Nutida_definition:_Atomsekunden-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Andra_definitioner_som_är_i_användning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Andra_definitioner_som_är_i_användning"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Andra definitioner som är i användning</span> </div> </a> <ul id="toc-Andra_definitioner_som_är_i_användning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Prefix" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Prefix"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Prefix</span> </div> </a> <ul id="toc-Prefix-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Referenser</span> </div> </a> <button aria-controls="toc-Referenser-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>Växla underavsnittet Referenser</span> </button> <ul id="toc-Referenser-sublist" class="vector-toc-list"> <li id="toc-Noter" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Noter"> <div class="vector-toc-text"> <span class="vector-toc-numb">8.1</span> <span>Noter</span> </div> </a> <ul id="toc-Noter-sublist" class="vector-toc-list"> </ul> </li> </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="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Växla innehållsförteckningen" > <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">Växla innehållsförteckningen</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">Sekund</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="Gå till en artikel på ett annat språk. Tillgänglig på 160 språk" > <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-160" 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">160 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Sekonde" title="Sekonde – afrikaans" lang="af" hreflang="af" data-title="Sekonde" 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/Sekunde" title="Sekunde – schweizertyska" lang="gsw" hreflang="gsw" data-title="Sekunde" data-language-autonym="Alemannisch" data-language-local-name="schweizertyska" 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%B4%E1%8A%AE%E1%8A%95%E1%8B%B5" title="ሴኮንድ – amhariska" lang="am" hreflang="am" data-title="ሴኮንድ" data-language-autonym="አማርኛ" data-language-local-name="amhariska" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AB%D8%A7%D9%86%D9%8A%D8%A9" title="ثانية – arabiska" lang="ar" hreflang="ar" data-title="ثانية" data-language-autonym="العربية" data-language-local-name="arabiska" 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/Segundo" title="Segundo – aragonesiska" lang="an" hreflang="an" data-title="Segundo" data-language-autonym="Aragonés" data-language-local-name="aragonesiska" 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%AA%DC%A6%DC%A6%DC%90" title="ܪܦܦܐ – arameiska" lang="arc" hreflang="arc" data-title="ܪܦܦܐ" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="arameiska" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D4%B5%D6%80%D5%AF%D5%BE%D5%A1%D5%B5%D6%80%D5%AF%D5%A5%D5%A1%D5%B6" title="Երկվայրկեան – Western Armenian" lang="hyw" hreflang="hyw" data-title="Երկվայրկեան" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%9B%E0%A7%87%E0%A6%95%E0%A7%87%E0%A6%A3%E0%A7%8D%E0%A6%A1" title="ছেকেণ্ড – assamesiska" lang="as" hreflang="as" data-title="ছেকেণ্ড" data-language-autonym="অসমীয়া" data-language-local-name="assamesiska" 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/Segundu" title="Segundu – asturiska" lang="ast" hreflang="ast" data-title="Segundu" data-language-autonym="Asturianu" data-language-local-name="asturiska" 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/Aravo%27ive" title="Aravo'ive – guaraní" lang="gn" hreflang="gn" data-title="Aravo'ive" data-language-autonym="Avañe'ẽ" data-language-local-name="guaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Saniy%C9%99" title="Saniyə – azerbajdzjanska" lang="az" hreflang="az" data-title="Saniyə" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" 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/%D8%AB%D8%A7%D9%86%DB%8C%D9%87" title="ثانیه – South Azerbaijani" lang="azb" hreflang="azb" data-title="ثانیه" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Detik" title="Detik – balinesiska" lang="ban" hreflang="ban" data-title="Detik" data-language-autonym="Basa Bali" data-language-local-name="balinesiska" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%87%E0%A6%95%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%A1" title="সেকেন্ড – bengali" lang="bn" hreflang="bn" data-title="সেকেন্ড" data-language-autonym="বাংলা" data-language-local-name="bengali" 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/Bi%C3%B3" title="Bió – min nan" lang="nan" hreflang="nan" data-title="Bió" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" 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%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4" title="Секунд – basjkiriska" lang="ba" hreflang="ba" data-title="Секунд" data-language-autonym="Башҡортса" data-language-local-name="basjkiriska" 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%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – belarusiska" lang="be" hreflang="be" data-title="Секунда" data-language-autonym="Беларуская" data-language-local-name="belarusiska" 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%A1%D1%8D%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Сэкунда – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Сэкунда" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Segundo" title="Segundo – Central Bikol" lang="bcl" hreflang="bcl" data-title="Segundo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – bulgariska" lang="bg" hreflang="bg" data-title="Секунда" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Sekund" title="Sekund – bayerska" lang="bar" hreflang="bar" data-title="Sekund" data-language-autonym="Boarisch" data-language-local-name="bayerska" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A6%E0%BE%90%E0%BD%A2%E0%BC%8B%E0%BD%86%E0%BC%8D" title="སྐར་ཆ། – tibetanska" lang="bo" hreflang="bo" data-title="སྐར་ཆ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetanska" 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/Sekunda" title="Sekunda – bosniska" lang="bs" hreflang="bs" data-title="Sekunda" data-language-autonym="Bosanski" data-language-local-name="bosniska" 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/Eilenn_(amzer)" title="Eilenn (amzer) – bretonska" lang="br" hreflang="br" data-title="Eilenn (amzer)" data-language-autonym="Brezhoneg" data-language-local-name="bretonska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Segon" title="Segon – katalanska" lang="ca" hreflang="ca" data-title="Segon" data-language-autonym="Català" data-language-local-name="katalanska" 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/%C3%87%D0%B5%D0%BA%D0%BA%D1%83%D0%BD%D1%82" title="Çеккунт – tjuvasjiska" lang="cv" hreflang="cv" data-title="Çеккунт" data-language-autonym="Чӑвашла" data-language-local-name="tjuvasjiska" 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/Sekunda" title="Sekunda – tjeckiska" lang="cs" hreflang="cs" data-title="Sekunda" data-language-autonym="Čeština" data-language-local-name="tjeckiska" 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/Chepiri" title="Chepiri – shona" lang="sn" hreflang="sn" data-title="Chepiri" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Eiliad" title="Eiliad – walesiska" lang="cy" hreflang="cy" data-title="Eiliad" data-language-autonym="Cymraeg" data-language-local-name="walesiska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sekund" title="Sekund – danska" lang="da" hreflang="da" data-title="Sekund" data-language-autonym="Dansk" data-language-local-name="danska" 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%AA%D8%A7%D9%86%D9%8A%D8%A9" title="تانية – marockansk arabiska" lang="ary" hreflang="ary" data-title="تانية" data-language-autonym="الدارجة" data-language-local-name="marockansk arabiska" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Sekunde" title="Sekunde – tyska" lang="de" hreflang="de" data-title="Sekunde" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Sekund" title="Sekund – estniska" lang="et" hreflang="et" data-title="Sekund" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%94%CE%B5%CF%85%CF%84%CE%B5%CF%81%CF%8C%CE%BB%CE%B5%CF%80%CF%84%CE%BF" title="Δευτερόλεπτο – grekiska" lang="el" hreflang="el" data-title="Δευτερόλεπτο" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Second" title="Second – engelska" lang="en" hreflang="en" data-title="Second" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Segundo" title="Segundo – spanska" lang="es" hreflang="es" data-title="Segundo" data-language-autonym="Español" data-language-local-name="spanska" 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/Sekundo" title="Sekundo – esperanto" lang="eo" hreflang="eo" data-title="Sekundo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Segundo" title="Segundo – baskiska" lang="eu" hreflang="eu" data-title="Segundo" data-language-autonym="Euskara" data-language-local-name="baskiska" 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/%D8%AB%D8%A7%D9%86%DB%8C%D9%87" title="ثانیه – persiska" lang="fa" hreflang="fa" data-title="ثانیه" data-language-autonym="فارسی" data-language-local-name="persiska" 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/Second" title="Second – Fiji-hindi" lang="hif" hreflang="hif" data-title="Second" 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-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Seconde_(temps)" title="Seconde (temps) – franska" lang="fr" hreflang="fr" data-title="Seconde (temps)" data-language-autonym="Français" data-language-local-name="franska" 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/Sekonde" title="Sekonde – västfrisiska" lang="fy" hreflang="fy" data-title="Sekonde" data-language-autonym="Frysk" data-language-local-name="västfrisiska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Secont" title="Secont – friulianska" lang="fur" hreflang="fur" data-title="Secont" data-language-autonym="Furlan" data-language-local-name="friulianska" 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/Soicind" title="Soicind – iriska" lang="ga" hreflang="ga" data-title="Soicind" data-language-autonym="Gaeilge" data-language-local-name="iriska" 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/Segundo" title="Segundo – galiciska" lang="gl" hreflang="gl" data-title="Segundo" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E7%A7%92" title="秒 – gan" lang="gan" hreflang="gan" data-title="秒" 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-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B8%E0%AB%87%E0%AA%95%E0%AA%A8%E0%AB%8D%E0%AA%A1" title="સેકન્ડ – gujarati" lang="gu" hreflang="gu" data-title="સેકન્ડ" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Mi%C3%A9u" title="Miéu – hakka" lang="hak" hreflang="hak" data-title="Miéu" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" 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%B4%88_(%EC%8B%9C%EA%B0%84)" title="초 (시간) – koreanska" lang="ko" hreflang="ko" data-title="초 (시간)" data-language-autonym="한국어" data-language-local-name="koreanska" 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/Sakan" title="Sakan – hausa" lang="ha" hreflang="ha" data-title="Sakan" 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%8E%D5%A1%D5%B5%D6%80%D5%AF%D5%B5%D5%A1%D5%B6" title="Վայրկյան – armeniska" lang="hy" hreflang="hy" data-title="Վայրկյան" data-language-autonym="Հայերեն" data-language-local-name="armeniska" 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%A5%87%E0%A4%95%E0%A5%87%E0%A4%82%E0%A4%A1" title="सेकेंड – hindi" lang="hi" hreflang="hi" data-title="सेकेंड" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Sekunda" title="Sekunda – kroatiska" lang="hr" hreflang="hr" data-title="Sekunda" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" 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/Sekundo" title="Sekundo – ido" lang="io" hreflang="io" data-title="Sekundo" 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/Segundo" title="Segundo – iloko" lang="ilo" hreflang="ilo" data-title="Segundo" 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/Detik" title="Detik – indonesiska" lang="id" hreflang="id" data-title="Detik" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Secunda" title="Secunda – interlingua" lang="ia" hreflang="ia" data-title="Secunda" 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/Seconde" title="Seconde – interlingue" lang="ie" hreflang="ie" data-title="Seconde" data-language-autonym="Interlingue" data-language-local-name="interlingue" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Sek%C3%BAnda" title="Sekúnda – isländska" lang="is" hreflang="is" data-title="Sekúnda" data-language-autonym="Íslenska" data-language-local-name="isländska" 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/Secondo" title="Secondo – italienska" lang="it" hreflang="it" data-title="Secondo" data-language-autonym="Italiano" data-language-local-name="italienska" 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%A0%D7%99%D7%99%D7%94" title="שנייה – hebreiska" lang="he" hreflang="he" data-title="שנייה" data-language-autonym="עברית" data-language-local-name="hebreiska" 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/Detik" title="Detik – javanesiska" lang="jv" hreflang="jv" data-title="Detik" data-language-autonym="Jawa" data-language-local-name="javanesiska" 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/K%C9%9Bl%C9%9Bmk%C9%9Bl%C9%9Bm" title="Kɛlɛmkɛlɛm – Kabiye" lang="kbp" hreflang="kbp" data-title="Kɛlɛmkɛlɛm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4" title="Секунд – karachay-balkar" lang="krc" hreflang="krc" data-title="Секунд" 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%AC%E1%83%90%E1%83%9B%E1%83%98" title="წამი – georgiska" lang="ka" hreflang="ka" data-title="წამი" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D8%B3%D8%A0%DA%A9%D9%8E%D9%86%D9%9B%DA%88" title="سؠکَنٛڈ – kashmiriska" lang="ks" hreflang="ks" data-title="سؠکَنٛڈ" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="kashmiriska" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4" title="Секунд – kazakiska" lang="kk" hreflang="kk" data-title="Секунд" data-language-autonym="Қазақша" data-language-local-name="kazakiska" 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/Eylen" title="Eylen – korniska" lang="kw" hreflang="kw" data-title="Eylen" data-language-autonym="Kernowek" data-language-local-name="korniska" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Sekunde" title="Sekunde – swahili" lang="sw" hreflang="sw" data-title="Sekunde" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Segond_(tan)" title="Segond (tan) – haitiska" lang="ht" hreflang="ht" data-title="Segond (tan)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiska" 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/S%C3%A9gonn" title="Ségonn – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Ségonn" 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-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/San%C3%AE" title="Sanî – kurdiska" lang="ku" hreflang="ku" data-title="Sanî" data-language-autonym="Kurdî" data-language-local-name="kurdiska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – kirgiziska" lang="ky" hreflang="ky" data-title="Секунда" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Secundum" title="Secundum – latin" lang="la" hreflang="la" data-title="Secundum" 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/Sekunde" title="Sekunde – lettiska" lang="lv" hreflang="lv" data-title="Sekunde" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Sekonn" title="Sekonn – luxemburgiska" lang="lb" hreflang="lb" data-title="Sekonn" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Sekund%C4%97" title="Sekundė – litauiska" lang="lt" hreflang="lt" data-title="Sekundė" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Sec%C3%B3nd" title="Secónd – limburgiska" lang="li" hreflang="li" data-title="Secónd" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/snidu" title="snidu – lojban" lang="jbo" hreflang="jbo" data-title="snidu" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Segond" title="Segond – lombardiska" lang="lmo" hreflang="lmo" data-title="Segond" data-language-autonym="Lombard" data-language-local-name="lombardiska" 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/M%C3%A1sodperc" title="Másodperc – ungerska" lang="hu" hreflang="hu" data-title="Másodperc" data-language-autonym="Magyar" data-language-local-name="ungerska" 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%B8%E0%A5%87%E0%A4%95%E0%A5%87%E0%A4%A3%E0%A5%8D%E0%A4%A1" title="सेकेण्ड – maithili" lang="mai" hreflang="mai" data-title="सेकेण्ड" 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%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – makedonska" lang="mk" hreflang="mk" data-title="Секунда" data-language-autonym="Македонски" data-language-local-name="makedonska" 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/Segondra" title="Segondra – malagassiska" lang="mg" hreflang="mg" data-title="Segondra" data-language-autonym="Malagasy" data-language-local-name="malagassiska" 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%9E%E0%B5%8A%E0%B4%9F%E0%B4%BF" title="ഞൊടി – malayalam" lang="ml" hreflang="ml" data-title="ഞൊടി" 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%B8%E0%A5%87%E0%A4%95%E0%A4%82%E0%A4%A6" title="सेकंद – marathi" lang="mr" hreflang="mr" data-title="सेकंद" 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%94%E1%83%A0%E1%83%A5%E1%83%90" title="მერქა – mingrelianska" lang="xmf" hreflang="xmf" data-title="მერქა" data-language-autonym="მარგალური" data-language-local-name="mingrelianska" 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%B3%D8%A7%D9%86%D9%8A%D9%87" title="سانيه – egyptisk arabiska" lang="arz" hreflang="arz" data-title="سانيه" data-language-autonym="مصرى" data-language-local-name="egyptisk arabiska" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Saat" title="Saat – malajiska" lang="ms" hreflang="ms" data-title="Saat" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Datiak" title="Datiak – minangkabau" lang="min" hreflang="min" data-title="Datiak" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Mi%C4%93u" title="Miēu – Mindong" lang="cdo" hreflang="cdo" data-title="Miēu" 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%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4" title="Секунд – mongoliska" lang="mn" hreflang="mn" data-title="Секунд" data-language-autonym="Монгол" data-language-local-name="mongoliska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%85%E1%80%80%E1%80%B9%E1%80%80%E1%80%94%E1%80%B7%E1%80%BA" title="စက္ကန့် – burmesiska" lang="my" hreflang="my" data-title="စက္ကန့်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Sekodi" title="Sekodi – fijianska" lang="fj" hreflang="fj" data-title="Sekodi" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="fijianska" 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/Seconde" title="Seconde – nederländska" lang="nl" hreflang="nl" data-title="Seconde" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%95%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%A1" title="सेकेन्ड – nepalesiska" lang="ne" hreflang="ne" data-title="सेकेन्ड" data-language-autonym="नेपाली" data-language-local-name="nepalesiska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja badge-Q17437798 badge-goodarticle mw-list-item" title="bra artikel"><a href="https://ja.wikipedia.org/wiki/%E7%A7%92" title="秒 – japanska" lang="ja" hreflang="ja" data-title="秒" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Sekund" title="Sekund – nordfrisiska" lang="frr" hreflang="frr" data-title="Sekund" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisiska" 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/Sekund" title="Sekund – norskt bokmål" lang="nb" hreflang="nb" data-title="Sekund" data-language-autonym="Norsk bokmål" data-language-local-name="norskt 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/Sekund" title="Sekund – nynorska" lang="nn" hreflang="nn" data-title="Sekund" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Segonda" title="Segonda – occitanska" lang="oc" hreflang="oc" data-title="Segonda" data-language-autonym="Occitan" data-language-local-name="occitanska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Sekondii" title="Sekondii – oromo" lang="om" hreflang="om" data-title="Sekondii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Soniya" title="Soniya – uzbekiska" lang="uz" hreflang="uz" data-title="Soniya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" 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%B8%E0%A8%95%E0%A8%BF%E0%A9%B0%E0%A8%9F" title="ਸਕਿੰਟ – punjabi" lang="pa" hreflang="pa" data-title="ਸਕਿੰਟ" 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%DA%A9%D9%86%D9%B9" title="سکنٹ – Western Punjabi" lang="pnb" hreflang="pnb" data-title="سکنٹ" 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%AB%D8%A7%D9%86%D9%8A%D9%87" title="ثانيه – pashto" lang="ps" hreflang="ps" data-title="ثانيه" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Sekan" title="Sekan – jamaikansk engelsk kreol" lang="jam" hreflang="jam" data-title="Sekan" data-language-autonym="Patois" data-language-local-name="jamaikansk engelsk kreol" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Second" title="Second – piemontesiska" lang="pms" hreflang="pms" data-title="Second" data-language-autonym="Piemontèis" data-language-local-name="piemontesiska" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Sekunn" title="Sekunn – lågtyska" lang="nds" hreflang="nds" data-title="Sekunn" data-language-autonym="Plattdüütsch" data-language-local-name="lågtyska" 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/Sekunda" title="Sekunda – polska" lang="pl" hreflang="pl" data-title="Sekunda" data-language-autonym="Polski" data-language-local-name="polska" 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/Segundo" title="Segundo – portugisiska" lang="pt" hreflang="pt" data-title="Segundo" data-language-autonym="Português" data-language-local-name="portugisiska" 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/Saniye" title="Saniye – krimtatariska" lang="crh" hreflang="crh" data-title="Saniye" data-language-autonym="Qırımtatarca" data-language-local-name="krimtatariska" 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/Secund%C4%83" title="Secundă – rumänska" lang="ro" hreflang="ro" data-title="Secundă" data-language-autonym="Română" data-language-local-name="rumänska" 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/Sikunthu" title="Sikunthu – quechua" lang="qu" hreflang="qu" data-title="Sikunthu" 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%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – rusyn" lang="rue" hreflang="rue" data-title="Секунда" 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%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – ryska" lang="ru" hreflang="ru" data-title="Секунда" data-language-autonym="Русский" data-language-local-name="ryska" 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%A1%D3%A9%D0%BA%D2%AF%D2%AF%D0%BD%D0%B4%D1%8D" title="Сөкүүндэ – jakutiska" lang="sah" hreflang="sah" data-title="Сөкүүндэ" data-language-autonym="Саха тыла" data-language-local-name="jakutiska" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sat mw-list-item"><a href="https://sat.wikipedia.org/wiki/%E1%B1%B4%E1%B1%A4%E1%B1%AF%E1%B1%A4%E1%B1%A1" title="ᱴᱤᱯᱤᱡ – santali" lang="sat" hreflang="sat" data-title="ᱴᱤᱯᱤᱡ" 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/Segundu" title="Segundu – sardinska" lang="sc" hreflang="sc" data-title="Segundu" data-language-autonym="Sardu" data-language-local-name="sardinska" 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/Seicont" title="Seicont – skotska" lang="sco" hreflang="sco" data-title="Seicont" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/Motsotswana" title="Motsotswana – nordsotho" lang="nso" hreflang="nso" data-title="Motsotswana" data-language-autonym="Sesotho sa Leboa" data-language-local-name="nordsotho" 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/Sekonda" title="Sekonda – albanska" lang="sq" hreflang="sq" data-title="Sekonda" data-language-autonym="Shqip" data-language-local-name="albanska" 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%B6%AD%E0%B6%AD%E0%B7%8A%E0%B6%B4%E0%B6%BB%E0%B6%BA" title="තත්පරය – singalesiska" lang="si" hreflang="si" data-title="තත්පරය" data-language-autonym="සිංහල" data-language-local-name="singalesiska" 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/Second" title="Second – Simple English" lang="en-simple" hreflang="en-simple" data-title="Second" 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/%D8%B3%D9%8A%DA%AA%D9%86%DA%8A" title="سيڪنڊ – sindhi" lang="sd" hreflang="sd" data-title="سيڪنڊ" 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/Sekunda" title="Sekunda – slovakiska" lang="sk" hreflang="sk" data-title="Sekunda" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" 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/Sekunda" title="Sekunda – slovenska" lang="sl" hreflang="sl" data-title="Sekunda" data-language-autonym="Slovenščina" data-language-local-name="slovenska" 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%94%D1%94%D1%B5%D1%82%D1%94%D1%80%D0%BE%D0%BB%D1%94%D0%BF%D1%82%D0%BE" title="Дєѵтєролєпто – kyrkslaviska" lang="cu" hreflang="cu" data-title="Дєѵтєролєпто" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="kyrkslaviska" 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/Sek%C5%8Dnda" title="Sekōnda – silesiska" lang="szl" hreflang="szl" data-title="Sekōnda" data-language-autonym="Ślůnski" data-language-local-name="silesiska" 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/Ilbiriqsi" title="Ilbiriqsi – somaliska" lang="so" hreflang="so" data-title="Ilbiriqsi" data-language-autonym="Soomaaliga" data-language-local-name="somaliska" 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%86%D8%B1%DA%A9%DB%95" title="چرکە – centralkurdiska" lang="ckb" hreflang="ckb" data-title="چرکە" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" 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%BA%D1%83%D0%BD%D0%B4" title="Секунд – serbiska" lang="sr" hreflang="sr" data-title="Секунд" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" 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/Sekund" title="Sekund – serbokroatiska" lang="sh" hreflang="sh" data-title="Sekund" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Detik" title="Detik – sundanesiska" lang="su" hreflang="su" data-title="Detik" data-language-autonym="Sunda" data-language-local-name="sundanesiska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Sekunti" title="Sekunti – finska" lang="fi" hreflang="fi" data-title="Sekunti" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Segundo" title="Segundo – tagalog" lang="tl" hreflang="tl" data-title="Segundo" 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%A8%E0%AF%8A%E0%AE%9F%E0%AE%BF_(%E0%AE%95%E0%AE%BE%E0%AE%B2_%E0%AE%85%E0%AE%B3%E0%AE%B5%E0%AF%81)" title="நொடி (கால அளவு) – tamil" lang="ta" hreflang="ta" data-title="நொடி (கால அளவு)" 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/Tasint" title="Tasint – kabyliska" lang="kab" hreflang="kab" data-title="Tasint" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/Seconne" title="Seconne – Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="Seconne" data-language-autonym="Tarandíne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarandíne</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4" title="Секунд – tatariska" lang="tt" hreflang="tt" data-title="Секунд" data-language-autonym="Татарча / tatarça" data-language-local-name="tatariska" 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%B8%E0%B1%86%E0%B0%95%E0%B0%82%E0%B0%A1%E0%B1%81" title="సెకండు – telugu" lang="te" hreflang="te" data-title="సెకండు" 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%A7%E0%B8%B4%E0%B8%99%E0%B8%B2%E0%B8%97%E0%B8%B5" title="วินาที – thailändska" lang="th" hreflang="th" data-title="วินาที" data-language-autonym="ไทย" data-language-local-name="thailändska" 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/%D0%A1%D0%BE%D0%BD%D0%B8%D1%8F" title="Сония – tadzjikiska" lang="tg" hreflang="tg" data-title="Сония" data-language-autonym="Тоҷикӣ" data-language-local-name="tadzjikiska" 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/Saniye" title="Saniye – turkiska" lang="tr" hreflang="tr" data-title="Saniye" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%83%D0%BD%D0%B4%D0%B0" title="Секунда – ukrainska" lang="uk" hreflang="uk" data-title="Секунда" data-language-autonym="Українська" data-language-local-name="ukrainska" 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/%D8%AB%D8%A7%D9%86%DB%8C%DB%81" title="ثانیہ – urdu" lang="ur" hreflang="ur" data-title="ثانیہ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Miux" title="Miux – zhuang" lang="za" hreflang="za" data-title="Miux" data-language-autonym="Vahcuengh" data-language-local-name="zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Sekund" title="Sekund – veps" lang="vep" hreflang="vep" data-title="Sekund" 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/Gi%C3%A2y" title="Giây – vietnamesiska" lang="vi" hreflang="vi" data-title="Giây" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Sigonde" title="Sigonde – vallonska" lang="wa" hreflang="wa" data-title="Sigonde" data-language-autonym="Walon" data-language-local-name="vallonska" 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/%E7%A7%92" title="秒 – litterär kineiska" lang="lzh" hreflang="lzh" data-title="秒" data-language-autonym="文言" data-language-local-name="litterär kineiska" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Seconde" title="Seconde – västflamländska" lang="vls" hreflang="vls" data-title="Seconde" data-language-autonym="West-Vlams" data-language-local-name="västflamländska" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Segundo" title="Segundo – waray" lang="war" hreflang="war" data-title="Segundo" 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/Saa" title="Saa – wolof" lang="wo" hreflang="wo" data-title="Saa" 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%A7%92" title="秒 – wu" lang="wuu" hreflang="wuu" data-title="秒" 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%A1%D7%A2%D7%A7%D7%95%D7%A0%D7%93%D7%A2" title="סעקונדע – jiddisch" lang="yi" hreflang="yi" data-title="סעקונדע" data-language-autonym="ייִדיש" data-language-local-name="jiddisch" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%A7%92%E9%90%98" title="秒鐘 – kantonesiska" lang="yue" hreflang="yue" data-title="秒鐘" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Sekond%C4%97" title="Sekondė – samogitiska" lang="sgs" hreflang="sgs" data-title="Sekondė" data-language-autonym="Žemaitėška" data-language-local-name="samogitiska" 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/%E7%A7%92" title="秒 – kinesiska" lang="zh" hreflang="zh" data-title="秒" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-bew mw-list-item"><a href="https://bew.wikipedia.org/wiki/Sekon" title="Sekon – betawiska" lang="bew" hreflang="bew" data-title="Sekon" data-language-autonym="Betawi" data-language-local-name="betawiska" class="interlanguage-link-target"><span>Betawi</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/Q11574#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</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="Namnrymder"> <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/Sekund" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:Sekund" rel="discussion" title="Diskussion om innehållssidan [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label 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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Sekund"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sekund&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sekund&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li 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accesskey="q"><span>Specialsidor</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Sekund&oldid=54437708" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Sekund&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Sekund&id=54437708&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FSekund"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FSekund"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Sekund"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Sekund&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Sekund&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Second" hreflang="en"><span>Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11574" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div 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">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</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">Från Wikipedia</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="sv" dir="ltr"><dl class="noexcerpt dablink"><dd><i>För andra betydelser, se <a href="/wiki/Sekund_(olika_betydelser)" class="mw-disambig" title="Sekund (olika betydelser)">Sekund (olika betydelser)</a>.</i></dd></dl> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fil:Flashingsecond.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Flashingsecond.gif/250px-Flashingsecond.gif" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/f/f5/Flashingsecond.gif 1.5x" data-file-width="288" data-file-height="288" /></a><figcaption>Ljus som blinkar ungefär en gång per sekund.</figcaption></figure> <p><b>Sekund</b>, med beteckningen <b>s</b>, emellanåt förkortat <b>sek</b>, är <a href="/wiki/SI-enhet" title="SI-enhet">SI-enheten</a> för <a href="/wiki/Tid" title="Tid">tid</a>.<sup id="cite_ref-BIPM21_1-0" class="reference"><a href="#cite_note-BIPM21-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Den är en av sju internationellt erkända grundenheter. Sekunder kan mätas med hjälp av en <a href="/wiki/Ur" title="Ur">klocka</a>. Sekunden är det minsta vardagliga måttet för tid, där <a href="/wiki/Minut" title="Minut">minuter</a>, <a href="/wiki/Timme" title="Timme">timmar</a>, <a href="/wiki/Dygn" title="Dygn">dygn</a>, <a href="/wiki/Vecka" title="Vecka">veckor</a>, <a href="/wiki/M%C3%A5nad" title="Månad">månader</a> och <a href="/wiki/%C3%85r" title="År">år</a> är andra enheter i dagligt bruk. En föråldrad uppdelning av en sekund är 60 <a href="/wiki/Terti" title="Terti">tertier</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definition">Definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=1" title="Redigera avsnitt: Definition" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=1" title="Redigera avsnitts källkod: Definition"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tidiga definitioner av sekunden baserades på hur solen verkade röra sig runt jorden.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> <a href="/wiki/Soltid" title="Soltid">Soltiden</a> delades in i 24 timmar, där var och en bestod av 60 minuter av 60 sekunder vardera. Sekunden definierades då som 1/86 400 av den genomsnittliga soldagen. Under 1800- och 1900-talen visade dock astronomiska observationer att den här genomsnittliga tiden blir något för lång, och att solen/jorden inte längre kunde anses vara en passande utgångspunkt för definitionen. Med tillkomsten av <a href="/wiki/Atomur" title="Atomur">atomur</a> började man istället definiera sekunden på naturens fundamentala grunder. Sedan 1967 har sekunden definierats som varaktigheten av 9 192 631 770 perioder av den strålning som motsvarar övergången mellan de två <a href="/wiki/Hyperfinstruktur" title="Hyperfinstruktur">hyperfinnivåerna</a> i grundtillståndet hos atomen <a href="/wiki/Isotop" title="Isotop">isotopen</a> <a href="/wiki/Cesium" title="Cesium">cesium</a>-133<sup id="cite_ref-BIPM21_1-1" class="reference"><a href="#cite_note-BIPM21-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup>, enligt det 13:e CGPM-mötet 1967. </p><p>Ett kalenderår som inte är skottår och inte innehåller <a href="/wiki/Skottsekund" title="Skottsekund">skottsekunder</a> är 31 536 000 sekunder långt. Skottår är 31 622 400 sekunder. </p> <div class="mw-heading mw-heading2"><h2 id="Etymologi">Etymologi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=2" title="Redigera avsnitt: Etymologi" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=2" title="Redigera avsnitts källkod: Etymologi"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sekund kommer av latinets <i>secundus</i>, i den ursprungliga betydelse <i>(pars) secunda minuta</i>, det vill säga den andra förminskningsgraden – eller 1/60 av en minut. Begreppet finns i svenskan först dokumenterat 1588 och avsåg då en sextiondel av en geografisk minut.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Som tidsenhet finns begreppet dokumenterat från 1643 i en handskrift av <b>Isaacus Erici</b>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Historiska_definitioner">Historiska definitioner</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=3" title="Redigera avsnitt: Historiska definitioner" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=3" title="Redigera avsnitts källkod: Historiska definitioner"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Sekunden_före_de_mekaniska_uren"><span id="Sekunden_f.C3.B6re_de_mekaniska_uren"></span>Sekunden före de mekaniska uren</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=4" title="Redigera avsnitt: Sekunden före de mekaniska uren" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=4" title="Redigera avsnitts källkod: Sekunden före de mekaniska uren"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Egyptierna indelade dag och natt i tolvtimmarsperioder 2000 f.Kr. Därför varierade den egyptiska timmens längd beroende på årstiden. De grekiska astronomerna Hipparchus (cirka 150 f.Kr.) och <a href="/wiki/Klaudios_Ptolemaios" title="Klaudios Ptolemaios">Ptolemaios</a> (cirka 150 e.Kr.) delade in dagen <a href="/wiki/Sexagesimala_talsystemet" title="Sexagesimala talsystemet">sexagesimalt</a> och använde sig av en genomsnittlig timme <span style="white-space:nowrap">(<span class="frac nowrap"><sup>1</sup>⁄<sub>24</sub></span> dygn)</span>, enkla bråkdelar av timmen (<span class="frac nowrap"><sup>1</sup>⁄<sub>4</sub></span>, <span class="frac nowrap"><sup>2</sup>⁄<sub>3</sub></span>, osv.) och tidsgrader (<span class="frac nowrap"><sup>1</sup>⁄<sub>360</sub></span> dygn eller fyra moderna minuter), däremot inte vad vid nu menar med minuter och sekunder.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Babylonierna (från 300 e.Kr.) indelade också dagen sexagesimalt, i <span class="frac nowrap"><sup>1</sup>⁄<sub>60</sub></span> och <span class="frac nowrap"><sup>1</sup>⁄<sub>60</sub></span> av <span class="frac nowrap"><sup>1</sup>⁄<sub>60</sub></span>, osv, i åtminstone sex steg, med en precision av närmare 2 mikrosekunder. Den precisionen användes i deras definition av året, fastän de i praktiken inte kunde mäta en sådan kort tidsrymd. Ett annat exempel är att de angav den synodiska månaden till 29;31,50,8,20 dygn (fyra sexagesimaler), vilket än idag är den synodiska månaden i den <a href="/wiki/Judiska_kalendern" title="Judiska kalendern">judiska kalendern</a>, även om den har räknats om till 29 dagar 12 timmar och 793 halakim (1 halakim = 1/1080 timme), vilket motsvarar 29 dagar, 12 timmar, 44 minuter och 3 1/3 sekunder.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-reference-link-bracket">[</span>6<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Babylonierna använde inte timmen som mått, utan en dubbel timme på 120 moderna minuter och en tidsgrad som motsvarade fyra moderna minuter. Deras minsta enhet kallades ett ”korngryn” och motsvarade 3<span class="frac nowrap"><sup>1</sup>⁄<sub>3</sub></span> moderna sekunder.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-reference-link-bracket">[</span>7<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>På 1000-talet gjorde den persiske vetenskapsmannen <a href="/wiki/Biruni" title="Biruni">Abu Rayhan Mohammad Ebn-e Ahmad Biruni</a> ett system som utgick från nymånen och som omfattade dagar, timmar, minuter, sekunder och uppdelningen av sekunden i två ytterligare steg, med utgångspunkt från middagstid på söndagarna.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-reference-link-bracket">[</span>8<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Den medeltida vetenskapsmannen <a href="/wiki/Roger_Bacon" title="Roger Bacon">Roger Bacon</a> presenterade 1267 en tideräkning som utgick från fullmånen, med timmar, minuter, sekunder och bråkdelar av sekunder I två steg (<i>horae</i>, <i>minuta</i>, <i>secunda</i>, <i>tertia</i> och <i>quarta</i>). Han utgick från när solen stod i sitt middagsläge på särskilda kalenderdatum.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-reference-link-bracket">[</span>9<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Den tredje bråkdelen av en timme, <span class="frac nowrap"><sup>1</sup>⁄<sub>60</sub></span> av sekunden finns alltjämt kvar i några språk, till exempel i polska <b>tercja</b> och turkiska <b>salise</b>. I övrigt har det sexagesimala talsystemet för bråkdelar av sekunden helt ersatts med det decimala. </p> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fil:Montinari_Milano.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Montinari_Milano.jpg/300px-Montinari_Milano.jpg" decoding="async" width="300" height="202" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Montinari_Milano.jpg/450px-Montinari_Milano.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Montinari_Milano.jpg/600px-Montinari_Milano.jpg 2x" data-file-width="800" data-file-height="538" /></a><figcaption>Sekundvisarens rörelse hos en armbandsklocka.</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Sekunden_mätt_med_mekaniska_ur"><span id="Sekunden_m.C3.A4tt_med_mekaniska_ur"></span>Sekunden mätt med mekaniska ur</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=5" title="Redigera avsnitt: Sekunden mätt med mekaniska ur" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=5" title="Redigera avsnitts källkod: Sekunden mätt med mekaniska ur"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>De första klockorna som visade sekunder tillverkades under andra delen av 1500-talet. Den allra första klockan med sekundvisare och ingår i den s.k. Fremersdorf-samlingen och dateras 1560-1570.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-reference-link-bracket">[</span>10<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-reference-link-bracket">[</span>11<span class="cite-reference-link-bracket">]</span></a></sup> På 1570-talet byggde <a href="/wiki/Taqi_al-Din" title="Taqi al-Din">Taqi al-Din</a> en klocka som mätte 1/5-dels minuter (12 sekunder).<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-reference-link-bracket">[</span>12<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>1579 byggde <a href="/wiki/Jost_B%C3%BCrgi" title="Jost Bürgi">Jost Bürgi</a> som var hovurmakare en klocka till <a href="/wiki/Vilhelm_IV_av_Hessen-Kassel" title="Vilhelm IV av Hessen-Kassel">Wilhelm IV</a> som visade sekunder. 1581 omkonstruerade Tycho Brahe klockor vid sitt observatorium till att även visa sekunder. Emellertid var noggrannheten inte särskilt stor. 1587 konstaterade han att hans fyra klockor vid observatoriet misstämde med plus minus fyra minuter.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-reference-link-bracket">[</span>13<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Det var först med <a href="/wiki/Pendelur" title="Pendelur">pendeluret</a> som mätningen av sekunder blev någorlunda noggrann. 1644 beräknade <a href="/wiki/Marin_Mersenne" title="Marin Mersenne">Marin Mersenne</a> att ett pendelur med längden 39,1 tum (0,994 m) skulle ha en period hos pendeln, vid vanlig tyngdkraft, på exakt två sekunder. Med en sekund per pendelrörelse skulle ett sådant ur ticka den exakta sekunden. </p><p>Det första pendeluret anses vara det som konstruerades 1656 av <a href="/wiki/Christiaan_Huygens" title="Christiaan Huygens">Christiaan Huygens</a>. 1670 kompletterade William Clement detta ur med en pendel som hade denna funktion.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-reference-link-bracket">[</span>14<span class="cite-reference-link-bracket">]</span></a></sup> Mellan 1670 och 1680 gjorde Clement många förbättringar av sin konstruktion och introducerade <a href="/wiki/Golvur" title="Golvur">golvuret</a>. Golvuret utrustades med en andra pendel som visade sekunderna i en extra, liten urtavla. Denna typ av konstruktion krävde mindre kraft, gav mindre slitage och var tillräckligt noggrann för att mäta sekunderna med noggrannhet. Inom några år följde övriga klockmakare efter. Med golvuret kom sekunden att bli tillförlitligt mätt. </p><p><br /> </p> <div class="mw-heading mw-heading3"><h3 id="Sekunden_i_modernare_tid">Sekunden i modernare tid</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=6" title="Redigera avsnitt: Sekunden i modernare tid" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=6" title="Redigera avsnitts källkod: Sekunden i modernare tid"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sekunden som enhet för tid började användas ungefär etthundra år innan det var möjligt att mäta den. Om man räknar med vetenskapsmän som använde latin “secundus” fanns begreppet redan trehundra år tidigare, på 1200-talet. </p><p>1832 föreslog <a href="/wiki/Carl_Friedrich_Gauss" title="Carl Friedrich Gauss">Gauss</a> att sekunden som basenhet i sitt <a href="/wiki/M%C3%A5ttsystem" title="Måttsystem">måttsystem</a> med millimeter-milligram-sekund. British Association for the Advancement of Science (BAAS) påstod 1862 att "All men of science are agreed to use the second of mean solar time as the unit of time" (“Alla vetenskapsmän är överens om att använda sekunden som tidsenhet”, i kort översättning).<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-reference-link-bracket">[</span>15<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>BAAS föreslog <a href="/wiki/Cgs-systemet" class="mw-redirect" title="Cgs-systemet">Cgs-systemet</a>, eller Gauss system, 1874. Detta system ersattes sedan gradvis under de närmaste 70 åren av <a href="/wiki/MKSA" class="mw-redirect" title="MKSA">MKSA</a>-systemet. </p> <div class="mw-heading mw-heading3"><h3 id="Före_1956:_Medelsolsekunden"><span id="F.C3.B6re_1956:_Medelsolsekunden"></span>Före 1956: Medelsolsekunden</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=7" title="Redigera avsnitt: Före 1956: Medelsolsekunden" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=7" title="Redigera avsnitts källkod: Före 1956: Medelsolsekunden"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>1 sekund = 1 medelsoldygn / 86400<sup id="cite_ref-Springer_16-0" class="reference"><a href="#cite_note-Springer-16"><span class="cite-reference-link-bracket">[</span>16<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Ett medelsoldygn = sann soltid korrigerad för jordens elliptiska bana runt solen och lutningsaxel relativt sin bana. Sammanlagt görs korrektioner på upp till 16 minuter. </p><p><i>Sekunden bestäms med en noggrannhet inom 3 ms på en dag.</i> </p><p>Både CGS- och MKS-systemet (som senare blev MKSA) använde samma sorts sekund som basenhet för tid. </p> <div class="mw-heading mw-heading3"><h3 id="Mellan_1956_och_1967:_Efemeridsekunden">Mellan 1956 och 1967: <a href="/wiki/Efemerid" title="Efemerid">Efemeridsekunden</a></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=8" title="Redigera avsnitt: Mellan 1956 och 1967: Efemeridsekunden" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=8" title="Redigera avsnitts källkod: Mellan 1956 och 1967: Efemeridsekunden"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>1 sekund = 1 tropiskt år / 31 556 925,974 7 Ett tropiskt år = 365,242 2 medelsoldygn och beräknades utifrån observationer utförda 1900. </p><p><i>Sekunden bestäms med en noggrannhet inom 50 ms på 9 år.</i> </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Nutida_definition:_Atomsekunden">Nutida definition: Atomsekunden</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=9" title="Redigera avsnitt: Nutida definition: Atomsekunden" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=9" title="Redigera avsnitts källkod: Nutida definition: Atomsekunden"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Efter införandet av Internationella måttenhetssystemet (SI) har sekunden sedan 1967 fått en definition som atomsekund. Definitionen redogörs för i inledningstexten. </p> <div class="mw-heading mw-heading2"><h2 id="Andra_definitioner_som_är_i_användning"><span id="Andra_definitioner_som_.C3.A4r_i_anv.C3.A4ndning"></span>Andra definitioner som är i användning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=10" title="Redigera avsnitt: Andra definitioner som är i användning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=10" title="Redigera avsnitts källkod: Andra definitioner som är i användning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I vissa tidsskalor kan sekunden användas som en tidsenhet, där den exakta längden avviker från SI-definitionen. Exempel på sådana tidsskalor är <a href="/wiki/Koordinerad_universell_tid" title="Koordinerad universell tid">Koordinerad universell tid</a> och <a href="/wiki/Universell_tid" title="Universell tid">UT</a> (universell tid eller världstid).<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-reference-link-bracket">[</span>17<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Prefix">Prefix</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=11" title="Redigera avsnitt: Prefix" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=11" title="Redigera avsnitts källkod: Prefix"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/SI-prefix" title="SI-prefix">SI-prefix</a> används ofta tillsammans med ordet <i>sekund</i> för att visa på delar av en sekund; såsom <i>millisekund</i> (en tusendel av en sekund), <i>mikrosekund</i> (en miljondel av en sekund) och <i>nanosekund</i> (en miljarddel av en sekund), samt exempelvis <i>attosekund</i> (skrivs as) (en miljarddel av en miljarddels sekund, det vill säga 1x10<sup>-18</sup> sekund). </p><p>Även om SI-prefix också kan användas för att skapa större mått än en sekund, som <i>kilosekund</i> (tusen sekunder) används sådana mått sällan. </p><p>De vanligare större måtten – som inte ingår i SI – skapas inte med <a href="/wiki/Tiopotens" title="Tiopotens">tiopotenser</a>. Istället skapas <a href="/wiki/Minut" title="Minut">minuten</a> genom att multiplicera en sekund med sextio, som genom att multipliceras med 60 blir en <a href="/wiki/Timme" title="Timme">timme</a>. 24 timmar utgör ett <a href="/wiki/Dygn" title="Dygn">dygn</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=12" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=12" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Internationell_atomtid" title="Internationell atomtid">Internationell atomtid</a> (TAI)</li> <li><a href="/wiki/Koordinerad_universell_tid" title="Koordinerad universell tid">Koordinerad universell tid</a> (UTC)</li> <li><a href="/wiki/Universell_tid" title="Universell tid">Universell tid</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=13" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=13" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li></ul> <dl><dd><span class="plainlinks"><i>Den här artikeln är helt eller delvis baserad på material från <a href="/wiki/Engelskspr%C3%A5kiga_Wikipedia" title="Engelskspråkiga Wikipedia">engelskspråkiga Wikipedia</a>, <a class="external text" href="https://en.wikipedia.org/wiki/Second">Second</a>, <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Second&oldid=425472012">tidigare version</a>.</i></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Noter">Noter</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sekund&veaction=edit&section=14" title="Redigera avsnitt: Noter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sekund&action=edit&section=14" title="Redigera avsnitts källkod: Noter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-BIPM21-1">^ [<a href="#cite_ref-BIPM21_1-0"><small>a</small></a> <a href="#cite_ref-BIPM21_1-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.bipm.org/en/si/si_brochure/chapter2/2-1/second.html">”Official BIPM definition”</a>. <a href="/wiki/BIPM" class="mw-redirect" title="BIPM">BIPM</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://www.bipm.org/en/si/si_brochure/chapter2/2-1/second.html">http://www.bipm.org/en/si/si_brochure/chapter2/2-1/second.html</a></span><span class="reference-accessdate">. Läst 22 november 2008</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Official+BIPM+definition&rft.atitle=&rft.pub=%5B%5BBIPM%5D%5D&rft_id=http%3A%2F%2Fwww.bipm.org%2Fen%2Fsi%2Fsi_brochure%2Fchapter2%2F2-1%2Fsecond.html&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFJones2000">Jones, Tony (2000). <i><a rel="nofollow" class="external text" href="http://books.google.be/books?id=krZBQbnHTY0C">Splitting the second: the story of atomic time</a></i>. Institute of Physics Pub. <a href="/wiki/Special:Bokk%C3%A4llor/0750306408" title="Special:Bokkällor/0750306408">ISBN 0750306408</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://books.google.be/books?id=krZBQbnHTY0C">http://books.google.be/books?id=krZBQbnHTY0C</a></span></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Splitting+the+second%3A+the+story+of+atomic+time&rft.aulast=Jones&rft.aufirst=Tony&rft.au=Jones%2C+Tony&rft.date=2000&rft.pub=Institute+of+Physics+Pub&rft.isbn=0750306408&rft_id=http%3A%2F%2Fbooks.google.be%2Fbooks%3Fid%3DkrZBQbnHTY0C&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.saob.se/artikel/?unik=S_01713-0164.yc8n&pz=5">”Sekund”</a>. <i><span>Svenska Akademins Ordbok</span></i>. Svenska Akademin<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.saob.se/artikel/?unik=S_01713-0164.yc8n&pz=5">https://www.saob.se/artikel/?unik=S_01713-0164.yc8n&pz=5</a></span><span class="reference-accessdate">. Läst 7 mars 2019</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Sekund&rft.atitle=Svenska+Akademins+Ordbok&rft.pub=Svenska+Akademin&rft_id=https%3A%2F%2Fwww.saob.se%2Fartikel%2F%3Funik%3DS_01713-0164.yc8n%26pz%3D5&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-4"><a href="#cite_ref-4">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFErici1683-86">Erici, Isaacus (1683-86). <i><span>Colerus, J, Oeconomia, thet är, Hushåldz vnderwiijsning. Övers 1-2</span></i>. Stockholm</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Colerus%2C+J%2C+Oeconomia%2C+thet+%C3%A4r%2C+Hush%C3%A5ldz+vnderwiijsning.+%C3%96vers+1-2&rft.aulast=Erici&rft.aufirst=Isaacus&rft.au=Erici%2C+Isaacus&rft.date=1683-86&rft.pub=Stockholm&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-5"><a href="#cite_ref-5">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFToomer1998">Toomer, G. J. (1998). <i><span>Ptolemy's Almagest</span></i>. Princeton University Press. sid. 6-7, 23, 211-216. <a href="/wiki/Special:Bokk%C3%A4llor/978-0-691-00260-6" title="Special:Bokkällor/978-0-691-00260-6">ISBN 978-0-691-00260-6</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ptolemy%27s+Almagest&rft.aulast=Toomer&rft.aufirst=G.+J.&rft.au=Toomer%2C+G.+J.&rft.date=1998&rft.pages=sid.%26nbsp%3B6-7%2C+23%2C+211-216&rft.pub=Princeton+University+Press&rft.isbn=978-0-691-00260-6&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-6"><a href="#cite_ref-6">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFNeugebauer1975">Neugebauer, O (1975). <i><span>A history of ancient mathematical astronomy</span></i>. Springer-Verlag. <a href="/wiki/Special:Bokk%C3%A4llor/0-387-06995-X" title="Special:Bokkällor/0-387-06995-X">ISBN 0-387-06995-X</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+history+of+ancient+mathematical+astronomy&rft.aulast=Neugebauer&rft.aufirst=O&rft.au=Neugebauer%2C+O&rft.date=1975&rft.pub=Springer-Verlag&rft.isbn=0-387-06995-X&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-7"><a href="#cite_ref-7">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFNeugebauer1949">Neugebauer (1949). ”The astronomy of Maimonides and its sources”. <i>Hebrew Union College Annual</i> 22: sid. 321-360 se s. 325.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=The+astronomy+of+Maimonides+and+its+sources&rft.jtitle=Hebrew+Union+College+Annual&rft.aulast=Neugebauer&rft.au=Neugebauer&rft.date=1949&rft.volume=22&rft.pages=sid.%26nbsp%3B321-360+se+s.+325&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-8"><a href="#cite_ref-8">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFal-Biruni1879">al-Biruni (1879). <i><a rel="nofollow" class="external text" href="http://books.google.com/?id=pFIEAAAAIAAJ&pg=PA148#v=onepage&q=">The chronology of ancient nations: an English version of the Arabic text of the Athâr-ul-Bâkiya of Albîrûnî, or "Vestiges of the Past"</a></i>. Sachau C Edward. sid. 147-149<span class="printonly">. <a rel="nofollow" class="external free" href="http://books.google.com/?id=pFIEAAAAIAAJ&pg=PA148#v=onepage&q=">http://books.google.com/?id=pFIEAAAAIAAJ&pg=PA148#v=onepage&q=</a></span></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+chronology+of+ancient+nations%3A+an+English+version+of+the+Arabic+text+of+the+Ath%C3%A2r-ul-B%C3%A2kiya+of+Alb%C3%AEr%C3%BBn%C3%AE%2C+or+%22Vestiges+of+the+Past%22&rft.aulast=al-Biruni&rft.au=al-Biruni&rft.date=1879&rft.pages=sid.%26nbsp%3B147-149&rft.pub=Sachau+C+Edward&rft_id=http%3A%2F%2Fbooks.google.com%2F%3Fid%3DpFIEAAAAIAAJ%26pg%3DPA148%23v%3Donepage%26q%3D&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-9"><a href="#cite_ref-9">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFBacon(2000)_1928">Bacon, Roger ((2000) 1928). <i><span>The Opus Majus of Roger Bacon</span></i>. BR Belle, University of Pennsylvania Press. sid. 231. <a href="/wiki/Special:Bokk%C3%A4llor/978-1-85506-856-8" title="Special:Bokkällor/978-1-85506-856-8">ISBN 978-1-85506-856-8</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Opus+Majus+of+Roger+Bacon&rft.aulast=Bacon&rft.aufirst=Roger&rft.au=Bacon%2C+Roger&rft.date=%282000%29+1928&rft.pages=sid.%26nbsp%3B231&rft.pub=BR+Belle%2C+University+of+Pennsylvania+Press&rft.isbn=978-1-85506-856-8&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-10"><a href="#cite_ref-10">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFLandes1983">Landes, David S. (1983). <i><span>Revolution in Time</span></i>. Cambridge, Massachusetts: Harvard University Press. sid. 417-418. <a href="/wiki/Special:Bokk%C3%A4llor/0-674-76802-7" title="Special:Bokkällor/0-674-76802-7">ISBN 0-674-76802-7</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Revolution+in+Time&rft.aulast=Landes&rft.aufirst=David+S.&rft.au=Landes%2C+David+S.&rft.date=1983&rft.pages=sid.%26nbsp%3B417-418&rft.pub=Cambridge%2C+Massachusetts%3A+Harvard+University+Press&rft.isbn=0-674-76802-7&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-11"><a href="#cite_ref-11">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFWillsberger1975">Willsberger, Johann (1975). <i><span>Clocks & watches</span></i>. New York: Dial Press. <a href="/wiki/Special:Bokk%C3%A4llor/ISBN_0-8037-4475-7" title="Special:Bokkällor/ISBN 0-8037-4475-7">ISBN ISBN 0-8037-4475-7</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Clocks+%26+watches&rft.aulast=Willsberger&rft.aufirst=Johann&rft.au=Willsberger%2C+Johann&rft.date=1975&rft.pub=New+York%3A+Dial+Press&rft.isbn=ISBN+0-8037-4475-7&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-12"><a href="#cite_ref-12">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFHelaine_Selin1997">Helaine Selin (1997). <i><a rel="nofollow" class="external text" href="http://books.google.se/books?id=raKRY3KQspsC&pg=PA934&redir_esc=y#v=onepage&q&f=false">Encyclopedia of the History of Science, Technology and Medicine in Non-Western Cultures</a></i>. Kluwer Academic Publishers. sid. 934. <a href="/wiki/Special:Bokk%C3%A4llor/0792340663" title="Special:Bokkällor/0792340663">ISBN 0792340663</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://books.google.se/books?id=raKRY3KQspsC&pg=PA934&redir_esc=y#v=onepage&q&f=false">http://books.google.se/books?id=raKRY3KQspsC&pg=PA934&redir_esc=y#v=onepage&q&f=false</a></span></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Encyclopedia+of+the+History+of+Science%2C+Technology+and+Medicine+in+Non-Western+Cultures&rft.aulast=Helaine+Selin&rft.au=Helaine+Selin&rft.date=1997&rft.pages=sid.%26nbsp%3B934&rft.pub=Kluwer+Academic+Publishers&rft.isbn=0792340663&rft_id=http%3A%2F%2Fbooks.google.se%2Fbooks%3Fid%3DraKRY3KQspsC%26pg%3DPA934%26redir_esc%3Dy%23v%3Donepage%26q%26f%3Dfalse&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-13"><a href="#cite_ref-13">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFLandes1983">Landes, David S. (1983). <i><span>Revolution in Time</span></i>. Cambridge, Massachusetts: Harvard University Press. sid. 104. <a href="/wiki/Special:Bokk%C3%A4llor/0-674-76802-7" title="Special:Bokkällor/0-674-76802-7">ISBN 0-674-76802-7</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Revolution+in+Time&rft.aulast=Landes&rft.aufirst=David+S.&rft.au=Landes%2C+David+S.&rft.date=1983&rft.pages=sid.%26nbsp%3B104&rft.pub=Cambridge%2C+Massachusetts%3A+Harvard+University+Press&rft.isbn=0-674-76802-7&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-14"><a href="#cite_ref-14">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFChappell,_jessica2001">Chappell, jessica (2001). <a rel="nofollow" class="external text" href="http://illumin.usc.edu/184/the-long-case-clock-engineering-behind-a-grandfather-clock/">”The Long Case Clock: The Science and Engineering that Goes Into a Grandfather Clock”</a>. <i>Illumin</i> 1 (0)<span class="printonly">. <a rel="nofollow" class="external free" href="http://illumin.usc.edu/184/the-long-case-clock-engineering-behind-a-grandfather-clock/">http://illumin.usc.edu/184/the-long-case-clock-engineering-behind-a-grandfather-clock/</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=The+Long+Case+Clock%3A+The+Science+and+Engineering+that+Goes+Into+a+Grandfather+Clock&rft.jtitle=Illumin&rft.aulast=Chappell%2C+jessica&rft.au=Chappell%2C+jessica&rft.date=2001&rft.volume=1&rft.issue=0&rft_id=http%3A%2F%2Fillumin.usc.edu%2F184%2Fthe-long-case-clock-engineering-behind-a-grandfather-clock%2F&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-15"><a href="#cite_ref-15">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFeditor_Jenkin1873">editor Jenkin (1873). <i><span>Reports of the committee on electrical standards appointed by the British association for the advancement of science, with A report to the Royal society on units of electrical resistance, and the Cantor lectures, by prof. Jenkin</span></i>. British Association for the Advancement of Science. sid. 90. <a href="/wiki/Special:Bokk%C3%A4llor/0-674-76802-7" title="Special:Bokkällor/0-674-76802-7">ISBN 0-674-76802-7</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Reports+of+the+committee+on+electrical+standards+appointed+by+the+British+association+for+the+advancement+of+science%2C+with+A+report+to+the+Royal+society+on+units+of+electrical+resistance%2C+and+the+Cantor+lectures%2C+by+prof.+Jenkin&rft.aulast=editor+Jenkin&rft.au=editor+Jenkin&rft.date=1873&rft.pages=sid.%26nbsp%3B90&rft.pub=British+Association+for+the+Advancement+of+Science&rft.isbn=0-674-76802-7&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-Springer-16"><a href="#cite_ref-Springer_16-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="book"><a rel="nofollow" class="external text" href="https://books.google.de/books?id=KNCvDAAAQBAJ&newbks=1&newbks_redir=0&lpg=PA557&dq=Leichtathletik&hl=de&pg=PA34#v=onepage&q&f=false">”Zeitspannen”</a> (på tyska). <i><span>Schlag nach!: 100000 Tatsachen aus allen Wissensgebieten</span></i>. Fachrekationen des Bibliographischen Instituts & Springer-Verlag. 2012. sid. 34</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Zeitspannen&rft.atitle=Schlag+nach%21%3A+100000+Tatsachen+aus+allen+Wissensgebieten&rft.date=2012&rft.pages=sid.%26nbsp%3B34&rft.pub=Fachrekationen+des+Bibliographischen+Instituts+%26+Springer-Verlag&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-17"><a href="#cite_ref-17">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFSeidelmann2009">Seidelmann (2009). <i><span>TIME From Earth Rotation to Atomic Physics</span></i>. WILEY-VCH Verlag GmbH & Co. sid. 232</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=TIME+From+Earth+Rotation+to+Atomic+Physics&rft.aulast=Seidelmann&rft.au=Seidelmann&rft.date=2009&rft.pages=sid.%26nbsp%3B232&rft.pub=WILEY-VCH+Verlag+GmbH+%26+Co&rfr_id=info:sid/en.wikipedia.org:Sekund"><span style="display: none;"> </span></span></span> </li> </ol></div> <style data-mw-deduplicate="TemplateStyles:r44690948">.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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.navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background:#d0e0f5}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background:#deeafa}.mw-parser-output .navbox-even{background:#f7f7f7}.mw-parser-output .navbox-odd{background:transparent}</style><table class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="hlist collapsible uncollapsed" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="3" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:SI" title="Mall:SI"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:SI&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Internationella_m%C3%A5ttenhetssystemet" title="Internationella måttenhetssystemet">Internationella måttenhetssystemet</a> (SI)</span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Grundenheter" title="SI-enhet">Grundenheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_str%C3%B6m" title="Elektrisk ström">Elektrisk ström</a>: <a href="/wiki/Ampere" title="Ampere">ampere</a> (A)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusstyrka" title="Ljusstyrka">Ljusstyrka</a>: <a href="/wiki/Candela" title="Candela">candela</a> (cd)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/L%C3%A4ngd" title="Längd">Längd</a>: <a href="/wiki/Meter" title="Meter">meter</a> (m)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Massa" title="Massa">Massa</a>: <a href="/wiki/Kilogram" title="Kilogram">kilogram</a> (kg)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Substansm%C3%A4ngd" title="Substansmängd">Substansmängd</a>: <a href="/wiki/Mol" title="Mol">mol</a> (mol)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Temperatur" title="Temperatur">Temperatur</a>: <a href="/wiki/Kelvin" title="Kelvin">kelvin</a> (K)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Tid" title="Tid">Tid</a>: <a class="mw-selflink selflink">sekund</a> (s)</span></li></ul> </div></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="5"><span typeof="mw:File"><a href="/wiki/Fil:SI_base_units.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/100px-SI_base_units.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/150px-SI_base_units.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/200px-SI_base_units.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Härledda_enheter" title="SI-enhet">Härledda enheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Effekt" title="Effekt">Effekt</a>: <a href="/wiki/Watt" title="Watt">watt</a> (W)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_laddning" title="Elektrisk laddning">Elektrisk laddning</a>: <a href="/wiki/Coulomb" title="Coulomb">coulomb</a> (C)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_sp%C3%A4nning" title="Elektrisk spänning">Elektrisk spänning</a>: <a href="/wiki/Volt" title="Volt">volt</a> (V)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Energi" title="Energi">Energi</a>: <a href="/wiki/Joule" title="Joule">joule</a> (J)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Frekvens" title="Frekvens">Frekvens</a>: <a href="/wiki/Hertz" title="Hertz">hertz</a> (Hz)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Illuminans" title="Illuminans">Illuminans</a>: <a href="/wiki/Lux_(enhet)" title="Lux (enhet)">lux</a> (lx)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Induktans" title="Induktans">Induktans</a>: <a href="/wiki/Henry_(enhet)" title="Henry (enhet)">henry</a> (H)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kapacitans" title="Kapacitans">Kapacitans</a>: <a href="/wiki/Farad" title="Farad">farad</a> (F)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Katalys" title="Katalys">Katalytisk aktivitet</a>: <a href="/wiki/Katal" title="Katal">katal</a> (kat)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Konduktans" title="Konduktans">Konduktans</a>: <a href="/wiki/Siemens_(enhet)" title="Siemens (enhet)">siemens</a> (S)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kraft" title="Kraft">Kraft</a>: <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">newton</a> (N)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusfl%C3%B6de" title="Ljusflöde">Ljusflöde</a>: <a href="/wiki/Lumen_(enhet)" title="Lumen (enhet)">lumen</a> (lm)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Magnetiskt_fl%C3%B6de" class="mw-redirect" title="Magnetiskt flöde">Magnetiskt flöde</a>: <a href="/wiki/Weber_(enhet)" title="Weber (enhet)">weber</a> (Wb)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Magnetisk_fl%C3%B6dest%C3%A4thet" class="mw-redirect" title="Magnetisk flödestäthet">Magnetisk flödestäthet</a>: <a href="/wiki/Tesla_(enhet)" title="Tesla (enhet)">tesla</a> (T)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mekanisk_sp%C3%A4nning" title="Mekanisk spänning">Mekanisk spänning</a> och <a href="/wiki/Tryck" title="Tryck">tryck</a>: <a href="/wiki/Pascal_(enhet)" title="Pascal (enhet)">pascal</a> (Pa)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Resistans" title="Resistans">Resistans</a>: <a href="/wiki/Ohm" title="Ohm">ohm</a> (Ω)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Rymdvinkel" title="Rymdvinkel">Rymdvinkel</a>: <a href="/wiki/Steradian" title="Steradian">steradian</a> (sr)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Vinkel" title="Vinkel">Vinkel</a>: <a href="/wiki/Radian" title="Radian">radian</a> (rad)</span></li></ul> </div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-prefix" title="SI-prefix">SI-prefix</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Quetta_(SI-prefix)" title="Quetta (SI-prefix)">Quetta</a> (Q)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ronna_(SI-prefix)" title="Ronna (SI-prefix)">Ronna</a> (R)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Yotta" title="Yotta">Yotta</a> (Y)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Zetta" title="Zetta">Zetta</a> (Z)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Exa" title="Exa">Exa</a> (E)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Peta" title="Peta">Peta</a> (P)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Tera" title="Tera">Tera</a> (T)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Giga" title="Giga">Giga</a> (G)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mega" title="Mega">Mega</a> (M)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kilo" title="Kilo">Kilo</a> (k)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Hekto" title="Hekto">Hekto</a> (h)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Deka" title="Deka">Deka</a> (da)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Deci" title="Deci">Deci</a> (d)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Centi" title="Centi">Centi</a> (c)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Milli" title="Milli">Milli</a> (m)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mikro" title="Mikro">Mikro</a> (µ)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Nano" title="Nano">Nano</a> (n)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Piko" title="Piko">Piko</a> (p)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Femto" title="Femto">Femto</a> (f)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Atto" title="Atto">Atto</a> (a)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Zepto" title="Zepto">Zepto</a> (z)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Yokto" title="Yokto">Yokto</a> (y)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ronto" title="Ronto">Ronto</a> (r)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Quekto" title="Quekto">Quekto</a> (q)</span></li></ul> </div></div></td></tr></tbody></table></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950"><table class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="collapsible autocollapse" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="2" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Tidsperioder" title="Mall:Tidsperioder"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Tidsperioder&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Tidsperiod" title="Tidsperiod">Tidsperioder</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td colspan="2" style="width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a class="mw-selflink selflink">Sekund</a> < <a href="/wiki/Minut" title="Minut">Minut</a> < <a href="/wiki/Kvart_(tid)" title="Kvart (tid)">Kvart</a> < <a href="/wiki/Halvtimme" title="Halvtimme">Halvtimme</a> < <a href="/wiki/Timme" title="Timme">Timme</a> < <a href="/wiki/Dygn" title="Dygn">Dygn</a> < <a href="/wiki/Vecka" title="Vecka">Vecka</a> < <a href="/wiki/M%C3%A5nad" title="Månad">Månad</a> < <a href="/wiki/Kvartal" title="Kvartal">Kvartal</a> < <a href="/wiki/Tertial" title="Tertial">Tertial</a> < <a href="/wiki/Halv%C3%A5r" title="Halvår">Halvår</a> < <a href="/wiki/%C3%85r" title="År">År</a> (<i><a href="/wiki/Annum" title="Annum">Annum</a></i>) < <a href="/wiki/Lustrum" title="Lustrum">Lustrum</a> < <a href="/wiki/Decennium" title="Decennium">Decennium</a> < <a href="/wiki/Sekel" title="Sekel">Sekel</a> < <a href="/wiki/Millennium" title="Millennium">Millennium</a></div></td></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-abovebelow" style=";" colspan="2"><a href="/wiki/Tid" title="Tid">Tid</a><span style="font-weight:bold;"> · </span><a href="/wiki/Tidsenhet" title="Tidsenhet">Tidsenhet</a><span style="font-weight:bold;"> · </span><a href="/wiki/%C3%85rstid" title="Årstid">Årstid</a></td></tr></tbody></table></td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Sekund&oldid=54437708">https://sv.wikipedia.org/w/index.php?title=Sekund&oldid=54437708</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategorier</a>: <ul><li><a href="/wiki/Kategori:Tidsenheter" 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