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Sommartid – Wikipedia

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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-Historik_och_global_användning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historik_och_global_användning"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historik och global användning</span> </div> </a> <ul id="toc-Historik_och_global_användning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Länder_och_regioner" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Länder_och_regioner"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Länder och regioner</span> </div> </a> <button aria-controls="toc-Länder_och_regioner-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 Länder och regioner</span> </button> <ul id="toc-Länder_och_regioner-sublist" class="vector-toc-list"> <li id="toc-Europa" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Europa"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Europa</span> </div> </a> <ul id="toc-Europa-sublist" class="vector-toc-list"> <li id="toc-Island" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Island"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.1</span> <span>Island</span> </div> </a> <ul id="toc-Island-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ryssland" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Ryssland"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.2</span> <span>Ryssland</span> </div> </a> <ul id="toc-Ryssland-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sverige" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Sverige"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.3</span> <span>Sverige</span> </div> </a> <ul id="toc-Sverige-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Asien" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Asien"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Asien</span> </div> </a> <ul id="toc-Asien-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nord-_och_Centralamerika" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Nord-_och_Centralamerika"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Nord- och Centralamerika</span> </div> </a> <ul id="toc-Nord-_och_Centralamerika-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Norra_Afrika" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Norra_Afrika"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Norra Afrika</span> </div> </a> <ul id="toc-Norra_Afrika-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Södra_halvklotet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Södra_halvklotet"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>Södra halvklotet</span> </div> </a> <ul id="toc-Södra_halvklotet-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Effekter" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Effekter"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Effekter</span> </div> </a> <button aria-controls="toc-Effekter-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 Effekter</span> </button> <ul id="toc-Effekter-sublist" class="vector-toc-list"> <li id="toc-Energiförbrukning" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Energiförbrukning"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Energiförbrukning</span> </div> </a> <ul id="toc-Energiförbrukning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Trafiksäkerhet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Trafiksäkerhet"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Trafiksäkerhet</span> </div> </a> <ul id="toc-Trafiksäkerhet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ekonomi" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ekonomi"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Ekonomi</span> </div> </a> <ul id="toc-Ekonomi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Arbetsplatssäkerhet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Arbetsplatssäkerhet"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Arbetsplatssäkerhet</span> </div> </a> <ul id="toc-Arbetsplatssäkerhet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hälsa" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hälsa"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Hälsa</span> </div> </a> <ul id="toc-Hälsa-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Minnesregler" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Minnesregler"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Minnesregler</span> </div> </a> <ul id="toc-Minnesregler-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">5</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">6</span> <span>Referenser</span> </div> </a> <ul id="toc-Referenser-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Anmärkningar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Anmärkningar"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Anmärkningar</span> </div> </a> <ul id="toc-Anmärkningar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Externa länkar</span> </div> </a> <ul id="toc-Externa_länkar-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Innehållsförteckning" > <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">Sommartid</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 115 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-115" 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">115 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/Somertyd" title="Somertyd – afrikaans" lang="af" hreflang="af" data-title="Somertyd" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437796 badge-featuredarticle mw-list-item" title="utmärkt artikel"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%88%D9%82%D9%8A%D8%AA_%D8%B5%D9%8A%D9%81%D9%8A" title="توقيت صيفي – arabiska" lang="ar" hreflang="ar" data-title="توقيت صيفي" 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/Horario_de_verano" title="Horario de verano – aragonesiska" lang="an" hreflang="an" data-title="Horario de verano" data-language-autonym="Aragonés" data-language-local-name="aragonesiska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%A6%E0%A6%BF%E0%A6%AC%E0%A6%BE%E0%A6%B2%E0%A7%8B%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A7%B0%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A3_%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="দিবালোক সংৰক্ষণ সময় – assamesiska" lang="as" hreflang="as" data-title="দিবালোক সংৰক্ষণ সময়" 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/Horariu_de_branu" title="Horariu de branu – asturiska" lang="ast" hreflang="ast" data-title="Horariu de branu" 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/Arahaku_%C3%A1ra" title="Arahaku ára – guaraní" lang="gn" hreflang="gn" data-title="Arahaku ára" data-language-autonym="Avañe&#039;ẽ" data-language-local-name="guaraní" class="interlanguage-link-target"><span>Avañe&#039;ẽ</span></a></li><li class="interlanguage-link interwiki-av mw-list-item"><a href="https://av.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B8%D0%B4%D0%B0%D0%BB%D0%B8%D0%BB_%D0%B7%D0%B0%D0%BC%D0%B0%D0%BD" title="Риидалил заман – avariska" lang="av" hreflang="av" data-title="Риидалил заман" data-language-autonym="Авар" data-language-local-name="avariska" class="interlanguage-link-target"><span>Авар</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Yay_vaxt%C4%B1" title="Yay vaxtı – azerbajdzjanska" lang="az" hreflang="az" data-title="Yay vaxtı" 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/%DB%8C%D8%A7%DB%8C_%D8%B3%D8%A7%D8%B9%D8%A7%D8%AA%DB%8C" title="یای ساعاتی – South Azerbaijani" lang="azb" hreflang="azb" data-title="یای ساعاتی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A6%E0%A6%BF%E0%A6%AC%E0%A6%BE%E0%A6%B2%E0%A7%8B%E0%A6%95_%E0%A6%B8%E0%A6%82%E0%A6%B0%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A3_%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="দিবালোক সংরক্ষণ সময় – bengali" lang="bn" hreflang="bn" data-title="দিবালোক সংরক্ষণ সময়" 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/H%C4%81-s%C3%AE-kan" title="Hā-sî-kan – min nan" lang="nan" hreflang="nan" data-title="Hā-sî-kan" 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 badge-Q17437798 badge-goodarticle mw-list-item" title="bra artikel"><a href="https://ba.wikipedia.org/wiki/%D0%99%D3%99%D0%B9%D0%B3%D0%B5_%D0%B2%D0%B0%D2%A1%D1%8B%D1%82" title="Йәйге ваҡыт – basjkiriska" lang="ba" hreflang="ba" data-title="Йәйге ваҡыт" 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%9B%D0%B5%D1%82%D0%BD%D1%96_%D1%87%D0%B0%D1%81" title="Летні час – belarusiska" lang="be" hreflang="be" data-title="Летні час" 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%9B%D0%B5%D1%82%D0%BD%D1%96_%D1%87%D0%B0%D1%81" title="Летні час – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Летні час" 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-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9B%D1%8F%D1%82%D0%BD%D0%BE_%D1%87%D0%B0%D1%81%D0%BE%D0%B2%D0%BE_%D0%B2%D1%80%D0%B5%D0%BC%D0%B5" title="Лятно часово време – bulgariska" lang="bg" hreflang="bg" data-title="Лятно часово време" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Ljetno_ra%C4%8Dunanje_vremena" title="Ljetno računanje vremena – bosniska" lang="bs" hreflang="bs" data-title="Ljetno računanje vremena" 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/Eur_ha%C3%B1v" title="Eur hañv – bretonska" lang="br" hreflang="br" data-title="Eur hañv" data-language-autonym="Brezhoneg" data-language-local-name="bretonska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca badge-Q17437796 badge-featuredarticle mw-list-item" title="utmärkt artikel"><a href="https://ca.wikipedia.org/wiki/Horari_d%27estiu" title="Horari d&#039;estiu – katalanska" lang="ca" hreflang="ca" data-title="Horari d&#039;estiu" 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%D1%83%D0%BB%D0%BB%D0%B0%D1%85%D0%B8_%D0%B2%C4%83%D1%85%C4%83%D1%82" title="Çуллахи вăхăт – tjuvasjiska" lang="cv" hreflang="cv" data-title="Çуллахи вăхăт" 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/Letn%C3%AD_%C4%8Das" title="Letní čas – tjeckiska" lang="cs" hreflang="cs" data-title="Letní čas" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Amser_haf" title="Amser haf – walesiska" lang="cy" hreflang="cy" data-title="Amser haf" 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/Sommertid" title="Sommertid – danska" lang="da" hreflang="da" data-title="Sommertid" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Sommerzeit" title="Sommerzeit – tyska" lang="de" hreflang="de" data-title="Sommerzeit" 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/Suveaeg" title="Suveaeg – estniska" lang="et" hreflang="et" data-title="Suveaeg" 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%98%CE%B5%CF%81%CE%B9%CE%BD%CE%AE_%CF%8E%CF%81%CE%B1" title="Θερινή ώρα – grekiska" lang="el" hreflang="el" data-title="Θερινή ώρα" 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/Daylight_saving_time" title="Daylight saving time – engelska" lang="en" hreflang="en" data-title="Daylight saving time" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es badge-Q17437796 badge-featuredarticle mw-list-item" title="utmärkt artikel"><a href="https://es.wikipedia.org/wiki/Horario_de_verano" title="Horario de verano – spanska" lang="es" hreflang="es" data-title="Horario de verano" 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/Somera_tempo" title="Somera tempo – esperanto" lang="eo" hreflang="eo" data-title="Somera tempo" 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/Udako_ordutegi" title="Udako ordutegi – baskiska" lang="eu" hreflang="eu" data-title="Udako ordutegi" 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%B3%D8%A7%D8%B9%D8%AA_%D8%AA%D8%A7%D8%A8%D8%B3%D8%AA%D8%A7%D9%86%DB%8C" title="ساعت تابستانی – persiska" lang="fa" hreflang="fa" data-title="ساعت تابستانی" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Summart%C3%AD%C3%B0" title="Summartíð – färöiska" lang="fo" hreflang="fo" data-title="Summartíð" data-language-autonym="Føroyskt" data-language-local-name="färöiska" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Heure_d%27%C3%A9t%C3%A9" title="Heure d&#039;été – franska" lang="fr" hreflang="fr" data-title="Heure d&#039;été" 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/Simmertiid" title="Simmertiid – västfrisiska" lang="fy" hreflang="fy" data-title="Simmertiid" data-language-autonym="Frysk" data-language-local-name="västfrisiska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Am_samhraidh" title="Am samhraidh – iriska" lang="ga" hreflang="ga" data-title="Am samhraidh" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Traa_hashtee_hollys_y_laa" title="Traa hashtee hollys y laa – manx" lang="gv" hreflang="gv" data-title="Traa hashtee hollys y laa" data-language-autonym="Gaelg" data-language-local-name="manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Horario_de_ver%C3%A1n" title="Horario de verán – galiciska" lang="gl" hreflang="gl" data-title="Horario de verán" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%BC%EA%B4%91_%EC%A0%88%EC%95%BD_%EC%8B%9C%EA%B0%84%EC%A0%9C" title="일광 절약 시간제 – koreanska" lang="ko" hreflang="ko" data-title="일광 절약 시간제" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%B4%D5%A1%D5%BC%D5%A1%D5%B5%D5%AB%D5%B6_%D5%AA%D5%A1%D5%B4%D5%A1%D5%B6%D5%A1%D5%AF" title="Ամառային ժամանակ – armeniska" lang="hy" hreflang="hy" data-title="Ամառային ժամանակ" 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%A6%E0%A4%BF%E0%A4%B5%E0%A4%BE%E0%A4%B2%E0%A5%8B%E0%A4%95_%E0%A4%AC%E0%A4%9A%E0%A4%A4_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="दिवालोक बचत समय – hindi" lang="hi" hreflang="hi" data-title="दिवालोक बचत समय" 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/Ljetno_ra%C4%8Dunanje_vremena" title="Ljetno računanje vremena – kroatiska" lang="hr" hreflang="hr" data-title="Ljetno računanje vremena" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Daylight_saving_time" title="Daylight saving time – igbo" lang="ig" hreflang="ig" data-title="Daylight saving time" data-language-autonym="Igbo" data-language-local-name="igbo" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Oras_a_panagin-inut_ti_lawag" title="Oras a panagin-inut ti lawag – iloko" lang="ilo" hreflang="ilo" data-title="Oras a panagin-inut ti lawag" 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/Waktu_Musim_Panas" title="Waktu Musim Panas – indonesiska" lang="id" hreflang="id" data-title="Waktu Musim Panas" 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-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Sumart%C3%ADmi" title="Sumartími – isländska" lang="is" hreflang="is" data-title="Sumartími" 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/Ora_legale" title="Ora legale – italienska" lang="it" hreflang="it" data-title="Ora legale" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he badge-Q17437796 badge-featuredarticle mw-list-item" title="utmärkt artikel"><a href="https://he.wikipedia.org/wiki/%D7%A9%D7%A2%D7%95%D7%9F_%D7%A7%D7%99%D7%A5" title="שעון קיץ – hebreiska" lang="he" hreflang="he" data-title="שעון קיץ" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kl mw-list-item"><a href="https://kl.wikipedia.org/wiki/Aasaanerani_nalunaaqqutaq" title="Aasaanerani nalunaaqqutaq – grönländska" lang="kl" hreflang="kl" data-title="Aasaanerani nalunaaqqutaq" data-language-autonym="Kalaallisut" data-language-local-name="grönländska" class="interlanguage-link-target"><span>Kalaallisut</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%94%D0%B6%D0%B0%D0%B9_%D0%B7%D0%B0%D0%BC%D0%B0%D0%BD" title="Джай заман – karachay-balkar" lang="krc" hreflang="krc" data-title="Джай заман" 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%96%E1%83%90%E1%83%A4%E1%83%AE%E1%83%A3%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%93%E1%83%A0%E1%83%9D" title="ზაფხულის დრო – georgiska" lang="ka" hreflang="ka" data-title="ზაფხულის დრო" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D0%B0%D0%B7%D2%93%D1%8B_%D1%83%D0%B0%D2%9B%D1%8B%D1%82" title="Жазғы уақыт – kazakiska" lang="kk" hreflang="kk" data-title="Жазғы уақыт" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Daylight_saving_time" title="Daylight saving time – swahili" lang="sw" hreflang="sw" data-title="Daylight saving time" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Demjim%C3%AAra_hav%C3%AEn%C3%AA" title="Demjimêra havînê – kurdiska" lang="ku" hreflang="ku" data-title="Demjimêra havînê" 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%96%D0%B0%D0%B9%D0%BA%D1%8B_%D1%83%D0%B1%D0%B0%D0%BA%D1%8B%D1%82" title="Жайкы убакыт – kirgiziska" lang="ky" hreflang="ky" data-title="Жайкы убакыт" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BB%80%E0%BA%A7%E0%BA%A5%E0%BA%B2%E0%BA%9B%E0%BA%B0%E0%BA%A2%E0%BA%B1%E0%BA%94%E0%BB%81%E0%BA%AA%E0%BA%87%E0%BA%81%E0%BA%B2%E0%BA%87%E0%BB%80%E0%BA%A7%E0%BA%B1%E0%BA%99" title="ເວລາປະຢັດແສງກາງເວັນ – laotiska" lang="lo" hreflang="lo" data-title="ເວລາປະຢັດແສງກາງເວັນ" data-language-autonym="ລາວ" data-language-local-name="laotiska" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Tempus_aestivum" title="Tempus aestivum – latin" lang="la" hreflang="la" data-title="Tempus aestivum" 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/Vasaras_laiks" title="Vasaras laiks – lettiska" lang="lv" hreflang="lv" data-title="Vasaras laiks" 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/Summerz%C3%A4it" title="Summerzäit – luxemburgiska" lang="lb" hreflang="lb" data-title="Summerzäit" 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/Vasaros_laikas" title="Vasaros laikas – litauiska" lang="lt" hreflang="lt" data-title="Vasaros laikas" 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/Zomertied" title="Zomertied – limburgiska" lang="li" hreflang="li" data-title="Zomertied" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ny%C3%A1ri_id%C5%91sz%C3%A1m%C3%ADt%C3%A1s" title="Nyári időszámítás – ungerska" lang="hu" hreflang="hu" data-title="Nyári időszámítás" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9B%D0%B5%D1%82%D0%BD%D0%BE_%D1%81%D0%BC%D0%B5%D1%82%D0%B0%D1%9A%D0%B5_%D0%BD%D0%B0_%D0%B2%D1%80%D0%B5%D0%BC%D0%B5%D1%82%D0%BE" title="Летно сметање на времето – makedonska" lang="mk" hreflang="mk" data-title="Летно сметање на времето" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A1%E0%B5%87_%E0%B4%B2%E0%B5%88%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D_%E0%B4%B8%E0%B5%87%E0%B4%B5%E0%B4%BF%E0%B4%82%E0%B4%97%E0%B5%8D_%E0%B4%9F%E0%B5%88%E0%B4%82" title="ഡേ ലൈറ്റ് സേവിംഗ് ടൈം – malayalam" lang="ml" hreflang="ml" data-title="ഡേ ലൈറ്റ് സേവിംഗ് ടൈം" 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%89%E0%A4%A8%E0%A5%8D%E0%A4%B9%E0%A4%BE%E0%A4%B3%E0%A5%80_%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A4%B5%E0%A5%87%E0%A4%B3" title="उन्हाळी प्रमाणवेळ – marathi" lang="mr" hreflang="mr" data-title="उन्हाळी प्रमाणवेळ" 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%96%E1%83%90%E1%83%A0%E1%83%AE%E1%83%A3%E1%83%9A%E1%83%98%E1%83%A8_%E1%83%91%E1%83%9D%E1%83%A0%E1%83%AF%E1%83%98" title="ზარხულიშ ბორჯი – mingrelianska" lang="xmf" hreflang="xmf" data-title="ზარხულიშ ბორჯი" 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%AA%D9%88%D9%82%D9%8A%D8%AA_%D8%B5%D9%8A%D9%81%D9%89" title="توقيت صيفى – egyptisk arabiska" lang="arz" hreflang="arz" data-title="توقيت صيفى" 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/Waktu_musim_panas" title="Waktu musim panas – malajiska" lang="ms" hreflang="ms" data-title="Waktu musim panas" 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-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%9A%D0%B8%D0%B7%D0%BE%D0%BD%D1%8C_%D0%BF%D0%B8%D0%BD%D0%B3%D1%81%D1%8C" title="Кизонь пингсь – moksja" lang="mdf" hreflang="mdf" data-title="Кизонь пингсь" data-language-autonym="Мокшень" data-language-local-name="moksja" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Zomertijd" title="Zomertijd – nederländska" lang="nl" hreflang="nl" data-title="Zomertijd" 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%85%E0%A4%B0%E0%A5%81%E0%A4%A3%E0%A5%8B%E0%A4%A6%E0%A4%AF_%E0%A4%AC%E0%A4%9A%E0%A4%A4_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="अरुणोदय बचत समय – nepalesiska" lang="ne" hreflang="ne" data-title="अरुणोदय बचत समय" data-language-autonym="नेपाली" data-language-local-name="nepalesiska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%A4%8F%E6%99%82%E9%96%93" title="夏時間 – japanska" lang="ja" hreflang="ja" data-title="夏時間" 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/Somertidj" title="Somertidj – nordfrisiska" lang="frr" hreflang="frr" data-title="Somertidj" 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/Sommertid" title="Sommertid – norskt bokmål" lang="nb" hreflang="nb" data-title="Sommertid" 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/Sommartid" title="Sommartid – nynorska" lang="nn" hreflang="nn" data-title="Sommartid" 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/Ora_d%27estiu" title="Ora d&#039;estiu – occitanska" lang="oc" hreflang="oc" data-title="Ora d&#039;estiu" data-language-autonym="Occitan" data-language-local-name="occitanska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/DST" title="DST – uzbekiska" lang="uz" hreflang="uz" data-title="DST" 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%9A%E0%A8%BE%E0%A8%A8%E0%A8%A3_%E0%A8%AC%E0%A8%9A%E0%A8%BE%E0%A8%8A_%E0%A8%B8%E0%A8%AE%E0%A8%BE%E0%A8%82" title="ਚਾਨਣ ਬਚਾਊ ਸਮਾਂ – punjabi" lang="pa" hreflang="pa" data-title="ਚਾਨਣ ਬਚਾਊ ਸਮਾਂ" 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%B1%D9%88%D8%B4%D9%86%DB%8C_%D8%A8%DA%86%D8%A7%D8%A4_%D9%88%DB%8C%D9%84%D8%A7" title="روشنی بچاؤ ویلا – Western Punjabi" lang="pnb" hreflang="pnb" data-title="روشنی بچاؤ ویلا" 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%AF_%D8%A7%D9%88%DA%93%D9%8A_%D9%88%D8%AE%D8%AA" title="د اوړي وخت – pashto" lang="ps" hreflang="ps" data-title="د اوړي وخت" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Czas_letni" title="Czas letni – polska" lang="pl" hreflang="pl" data-title="Czas letni" 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/Hor%C3%A1rio_de_ver%C3%A3o" title="Horário de verão – portugisiska" lang="pt" hreflang="pt" data-title="Horário de verão" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/DST" title="DST – karakalpakiska" lang="kaa" hreflang="kaa" data-title="DST" data-language-autonym="Qaraqalpaqsha" data-language-local-name="karakalpakiska" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Sommezick" title="Sommezick – kölniska" lang="ksh" hreflang="ksh" data-title="Sommezick" data-language-autonym="Ripoarisch" data-language-local-name="kölniska" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ora_de_var%C4%83" title="Ora de vară – rumänska" lang="ro" hreflang="ro" data-title="Ora de vară" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9B%D0%B5%D1%82%D0%BD%D0%B5%D0%B5_%D0%B2%D1%80%D0%B5%D0%BC%D1%8F" title="Летнее время – ryska" lang="ru" hreflang="ru" data-title="Летнее время" 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%D0%B0%D0%B9%D1%8B%D2%A5%D2%A5%D1%8B_%D0%BA%D1%8D%D0%BC" title="Сайыҥҥы кэм – jakutiska" lang="sah" hreflang="sah" data-title="Сайыҥҥы кэм" 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-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Daylicht_savin_time" title="Daylicht savin time – skotska" lang="sco" hreflang="sco" data-title="Daylicht savin time" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Suumertied" title="Suumertied – saterfrisiska" lang="stq" hreflang="stq" data-title="Suumertied" data-language-autonym="Seeltersk" data-language-local-name="saterfrisiska" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Llogaritja_verore_e_koh%C3%ABs" title="Llogaritja verore e kohës – albanska" lang="sq" hreflang="sq" data-title="Llogaritja verore e kohës" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Daylight_saving_time" title="Daylight saving time – Simple English" lang="en-simple" hreflang="en-simple" data-title="Daylight saving time" 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-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Letn%C3%BD_%C4%8Das" title="Letný čas – slovakiska" lang="sk" hreflang="sk" data-title="Letný čas" 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/Poletni_%C4%8Das" title="Poletni čas – slovenska" lang="sl" hreflang="sl" data-title="Poletni čas" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Latowy_czas" title="Latowy czas – silesiska" lang="szl" hreflang="szl" data-title="Latowy czas" 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/Daylight_saving_time" title="Daylight saving time – somaliska" lang="so" hreflang="so" data-title="Daylight saving time" 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%BE%D8%A7%D9%88%DB%8C%D9%86%DB%95%DA%A9%D8%A7%D8%AA" title="ھاوینەکات – centralkurdiska" lang="ckb" hreflang="ckb" data-title="ھاوینەکات" 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%9B%D0%B5%D1%82%D1%9A%D0%B5_%D1%80%D0%B0%D1%87%D1%83%D0%BD%D0%B0%D1%9A%D0%B5_%D0%B2%D1%80%D0%B5%D0%BC%D0%B5%D0%BD%D0%B0" title="Летње рачунање времена – serbiska" lang="sr" hreflang="sr" data-title="Летње рачунање времена" 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/Ljetno_ra%C4%8Dunanje_vremena" title="Ljetno računanje vremena – serbokroatiska" lang="sh" hreflang="sh" data-title="Ljetno računanje vremena" 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/Wanci_Usum_Panas" title="Wanci Usum Panas – sundanesiska" lang="su" hreflang="su" data-title="Wanci Usum Panas" 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/Kes%C3%A4aika" title="Kesäaika – finska" lang="fi" hreflang="fi" data-title="Kesäaika" 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/Daylight_saving_time" title="Daylight saving time – tagalog" lang="tl" hreflang="tl" data-title="Daylight saving time" 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%AA%E0%AE%95%E0%AE%B2%E0%AF%8A%E0%AE%B3%E0%AE%BF_%E0%AE%9A%E0%AF%87%E0%AE%AE%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81_%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AE%AE%E0%AF%8D" title="பகலொளி சேமிப்பு நேரம் – tamil" lang="ta" hreflang="ta" data-title="பகலொளி சேமிப்பு நேரம்" 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/Azimez_n_unebdu" title="Azimez n unebdu – kabyliska" lang="kab" hreflang="kab" data-title="Azimez n unebdu" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D2%96%D3%99%D0%B9%D0%B3%D0%B5_%D0%B2%D0%B0%D0%BA%D1%8B%D1%82" title="Җәйге вакыт – tatariska" lang="tt" hreflang="tt" data-title="Җәйге вакыт" 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-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%AD%E0%B8%AD%E0%B8%A1%E0%B9%81%E0%B8%AA%E0%B8%87" title="เวลาออมแสง – thailändska" lang="th" hreflang="th" data-title="เวลาออมแสง" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr badge-Q17437796 badge-featuredarticle mw-list-item" title="utmärkt artikel"><a href="https://tr.wikipedia.org/wiki/Yaz_saati_uygulamas%C4%B1" title="Yaz saati uygulaması – turkiska" lang="tr" hreflang="tr" data-title="Yaz saati uygulaması" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-udm mw-list-item"><a href="https://udm.wikipedia.org/wiki/%D0%93%D1%83%D0%B6%D0%B5%D0%BC_%D0%B4%D1%8B%D1%80" title="Гужем дыр – udmurtiska" lang="udm" hreflang="udm" data-title="Гужем дыр" data-language-autonym="Удмурт" data-language-local-name="udmurtiska" class="interlanguage-link-target"><span>Удмурт</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D1%96%D1%82%D0%BD%D1%96%D0%B9_%D1%87%D0%B0%D1%81" title="Літній час – ukrainska" lang="uk" hreflang="uk" data-title="Літній час" 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/%DA%AF%D8%B1%D9%85%D8%A7%D8%A6%DB%8C_%D9%88%D9%82%D8%AA" title="گرمائی وقت – urdu" lang="ur" hreflang="ur" data-title="گرمائی وقت" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Quy_%C6%B0%E1%BB%9Bc_gi%E1%BB%9D_m%C3%B9a_h%C3%A8" title="Quy ước giờ mùa hè – vietnamesiska" lang="vi" hreflang="vi" data-title="Quy ước giờ mùa hè" 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-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Suv%C3%B5aig" title="Suvõaig – võru" lang="vro" hreflang="vro" data-title="Suvõaig" data-language-autonym="Võro" data-language-local-name="võru" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%A4%8F%E4%BB%A4%E6%97%B6" title="夏令时 – wu" lang="wuu" hreflang="wuu" data-title="夏令时" 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%96%D7%95%D7%9E%D7%A2%D7%A8_%D7%96%D7%99%D7%99%D7%92%D7%A2%D7%A8" title="זומער זייגער – jiddisch" lang="yi" hreflang="yi" data-title="זומער זייגער" 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/%E5%A4%8F%E4%BB%A4%E6%99%82%E9%96%93" title="夏令時間 – kantonesiska" lang="yue" hreflang="yue" data-title="夏令時間" 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-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Saeta_amnani" title="Saeta amnani – Dimli" lang="diq" hreflang="diq" data-title="Saeta amnani" data-language-autonym="Zazaki" data-language-local-name="Dimli" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Vasaras_%C4%8Diesos" title="Vasaras čiesos – samogitiska" lang="sgs" hreflang="sgs" data-title="Vasaras čiesos" 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/%E5%A4%8F%E6%97%B6%E5%88%B6" title="夏时制 – kinesiska" lang="zh" hreflang="zh" data-title="夏时制" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</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/Q36669#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div 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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"><div class="thumb tright"><div class="thumbinner" style="width:208px;"> <table style="border: 0; padding: 0; margin: 0; width:204px;" cellspacing="0"> <tbody><tr> <td style="padding: auto; margin: 0;" class="thumbimage"><span typeof="mw:File"><a href="/wiki/Fil:Begin_CEST.svg" class="mw-file-description" title="När sommartiden börjar ska klockan ställas fram en timme."><img alt="När sommartiden börjar ska klockan ställas fram en timme." src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Begin_CEST.svg/100px-Begin_CEST.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Begin_CEST.svg/150px-Begin_CEST.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/Begin_CEST.svg/200px-Begin_CEST.svg.png 2x" data-file-width="250" data-file-height="250" /></a></span> </td> <td style="padding: 0; margin: 0; border: 0; width: 2px"> </td> <td style="padding: auto; margin: 0;" class="thumbimage"><span typeof="mw:File"><a href="/wiki/Fil:End_CEST.svg" class="mw-file-description" title="När sommartiden upphör ska klockan ställas tillbaka en timme."><img alt="När sommartiden upphör ska klockan ställas tillbaka en timme." src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/End_CEST.svg/100px-End_CEST.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/End_CEST.svg/150px-End_CEST.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/End_CEST.svg/200px-End_CEST.svg.png 2x" data-file-width="250" data-file-height="250" /></a></span> </td></tr> <tr style="vertical-align:top;"> <td style="padding: 0; margin: 0; border: 0;"><div class="thumbcaption">När sommartiden <b>börjar</b> ska klockan ställas <b>fram</b> en timme.</div> </td> <td style="padding: 0; margin: 0; border: 0;"> </td> <td style="padding: 0; margin: 0; border: 0;"><div class="thumbcaption">När sommartiden <b>upphör</b> ska klockan ställas <b>tillbaka</b> en timme.</div> </td></tr></tbody></table> </div> </div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:DaylightSaving-World-Subdivisions.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/DaylightSaving-World-Subdivisions.png/250px-DaylightSaving-World-Subdivisions.png" decoding="async" width="250" height="111" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/DaylightSaving-World-Subdivisions.png/375px-DaylightSaving-World-Subdivisions.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/29/DaylightSaving-World-Subdivisions.png/500px-DaylightSaving-World-Subdivisions.png 2x" data-file-width="4952" data-file-height="2197" /></a><figcaption>Tillämpning av sommartid världen över: <div><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 0; border:1px solid black; background-color:#1a80e6; color:black; font-size:100%; text-align:center;">&#160;</span>&#160;Sommartid används</div> <div><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 0; border:1px solid black; background-color:#ef690a; color:black; font-size:100%; text-align:center;">&#160;</span>&#160;Sommartid används inte längre</div> <div><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 0; border:1px solid black; background-color:#c00000; color:black; font-size:100%; text-align:center;">&#160;</span>&#160;Sommartid har aldrig använts</div></figcaption></figure> <p><b>Sommartid</b> innebär att <a href="/wiki/Tidszon" title="Tidszon">lokal tid</a> justeras fram en timme under en del av året i syfte att bättre nyttja den ljusa delen av <a href="/wiki/Dygn" title="Dygn">dygnet</a> under sommaren för människor som stiger upp vid fasta klockslag. I länder närmare polerna, som i de nordiska länderna, gör sommartid mest skillnad under vår och höst men inte lika stor skillnad under sommaren, eftersom dagsljuset då sträcker sig längre än den delen av dygnet de flesta är vakna. </p><p>Sommartiden är normaltiden plus en timme, där <a href="/wiki/Normaltid" title="Normaltid">normaltid</a> är den tid som enskilda länder definierat som standardiserad rikstid.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> I dagligt tal används även ”vintertid” om den tid då sommartid inte gäller.<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historik_och_global_användning"><span id="Historik_och_global_anv.C3.A4ndning"></span>Historik och global användning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=1" title="Redigera avsnitt: Historik och global användning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=1" title="Redigera avsnitts källkod: Historik och global användning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Anekdotiskt anförs <a href="/wiki/USA" title="USA">USA</a>:s <a href="/wiki/Ambassad%C3%B6r" title="Ambassadör">ambassadör</a> <a href="/wiki/Benjamin_Franklin" title="Benjamin Franklin">Benjamin Franklin</a> som skapare av sommartiden med sitt förslag i <a href="/wiki/Paris" title="Paris">Paris</a> <a href="/wiki/1784" title="1784">1784</a> att man skulle börja stiga upp tidigare om morgnarna. Han skrev att han själv brukade stiga upp klockan tolv och blev förvånad då han en dag vaknade vid soluppgången och såg solen stråla klart.<sup id="cite_ref-Franklin_3-0" class="reference"><a href="#cite_note-Franklin-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Den moderna sommartiden föreslogs av nyzeeländaren <a href="/w/index.php?title=George_Vernon_Hudson&amp;action=edit&amp;redlink=1" class="new" title="George Vernon Hudson [inte skriven än]">George Vernon Hudson</a> <a href="/wiki/1895" title="1895">1895</a>,<sup id="cite_ref-DNZB-Hudson_4-0" class="reference"><a href="#cite_note-DNZB-Hudson-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> som arbetade i skift, med motivet att ge arbetare mer användbar fritid efter arbetets slut. Sommartid har historiskt använts främst under de båda <a href="/wiki/V%C3%A4rldskrig" title="Världskrig">världskrigen</a> och sedan slutet på nittonhundratalet. De första försöken i världen med officiell sommartid skedde under <a href="/wiki/F%C3%B6rsta_v%C3%A4rldskriget" title="Första världskriget">första världskriget</a> <a href="/wiki/1916" title="1916">1916</a>, då <a href="/wiki/Kejsard%C3%B6met_Tyskland" title="Kejsardömet Tyskland">Tyskland</a> och dess allierade, samt <a href="/wiki/Sverige" title="Sverige">Sverige</a>, <a href="/wiki/Storbritannien" title="Storbritannien">Storbritannien</a> och flera andra länder hade sommartid. Försöket var, framför allt inom lantbruket, inte populärt, och det dröjde till <a href="/wiki/1980" title="1980">1980</a> innan sommartid infördes igen i Sverige och flera andra europeiska länder.<sup id="cite_ref-sp_sommartid_5-0" class="reference"><a href="#cite_note-sp_sommartid-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup><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> Många av de krigförande länderna införde sommartid också under <a href="/wiki/Andra_v%C3%A4rldskriget" title="Andra världskriget">andra världskriget</a>, Storbritannien till och med två timmars förskjutning. </p><p>Det är huvudsakligen i <a href="/wiki/Europa" title="Europa">Europa</a> och <a href="/wiki/Nordamerika" title="Nordamerika">Nordamerika</a> som man använder sommartid. I <a href="/wiki/Tropiskt_klimat" title="Tropiskt klimat">tropikerna</a> är bruk av sommartid ovanligt (men det förekommer), eftersom där är mindre skillnad på dagsljusets längd mellan sommar och vinter. Även i länder närmare <a href="/wiki/Polarregionerna" class="mw-redirect" title="Polarregionerna">polerna</a> gör sommartid mindre skillnad, eftersom dagsljuset på sommaren sträcker sig längre än den delen av dygnet de flesta är vakna, och på vintern är det ljust så kort tid att resor både till och från arbetet vanligen sker i mörker i vilket fall. Trots det har många av dessa länder sommartid. I några länder, till exempel Island och Argentina har man inte omställning till sommartid, men däremot en tidszon som kan liknas vid "permanent sommartid". Dessa länder får då ljusare kvällar på sommaren och ljusare eftermiddagar på vintern. I vissa andra länder som prövat detta har det varit klagomål på mörka vintermorgnar. På Island är det i december ändå mörka morgnar med soluppgång kl 11:20 (hade varit 10:20 om man följt närmaste geografisk tidszon). Under 2018 har en lagstiftningsprocess startats om att överge sommartidsomställningarna i EU-länderna. </p> <div class="mw-heading mw-heading2"><h2 id="Länder_och_regioner"><span id="L.C3.A4nder_och_regioner"></span>Länder och regioner</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=2" title="Redigera avsnitt: Länder och regioner" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=2" title="Redigera avsnitts källkod: Länder och regioner"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Europa">Europa</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=3" title="Redigera avsnitt: Europa" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=3" title="Redigera avsnitts källkod: Europa"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <table align="right" style="border-color:black;border-width:1px;border-style:solid;font-size: 95%;margin-left:6px;"> <caption style="font-size: 110%;"><b>Sommartid inom EU</b> </caption> <tbody><tr> <td>1996-03-31–1996-10-27 </td></tr> <tr> <td>1997-03-30–1997-10-26 </td></tr> <tr> <td>1998-03-29–1998-10-25 </td></tr> <tr> <td>1999-03-28–1999-10-31 </td></tr> <tr> <td>2000-03-26–2000-10-29 </td></tr> <tr> <td>2001-03-25–2001-10-28 </td></tr> <tr> <td>2002-03-31–2002-10-27 </td></tr> <tr> <td>2003-03-30–2003-10-26 </td></tr> <tr> <td>2004-03-28–2004-10-31 </td></tr> <tr> <td>2005-03-27–2005-10-30 </td></tr> <tr> <td>2006-03-26–2006-10-29 </td></tr> <tr> <td>2007-03-25–2007-10-28 </td></tr> <tr> <td>2008-03-30–2008-10-26 </td></tr> <tr> <td>2009-03-29–2009-10-25 </td></tr> <tr> <td>2010-03-28–2010-10-31 </td></tr> <tr> <td>2011-03-27–2011-10-30 </td></tr> <tr> <td>2012-03-25–2012-10-28 </td></tr> <tr> <td>2013-03-31–2013-10-27 </td></tr> <tr> <td>2014-03-30–2014-10-26 </td></tr> <tr> <td>2015-03-29–2015-10-25 </td></tr> <tr> <td>2016-03-27–2016-10-30 </td></tr> <tr> <td>2017-03-26–2017-10-29 </td></tr> <tr> <td>2018-03-25–2018-10-28 </td></tr> <tr> <td>2019-03-31–2019-10-27 </td></tr> <tr> <td>2020-03-29–2020-10-25 </td></tr> <tr> <td>2021-03-28–2021-10-31 </td></tr> <tr> <td>2022-03-27–2022-10-30 </td></tr> <tr> <td>2023-03-26–2023-10-29 </td></tr> <tr> <td>2024-03-31–2024-10-27 </td></tr> <tr> <td>2025-03-30–2025-10-26 </td></tr> <tr> <td>Sommartid föreslås att<br />avskaffas i Europa </td></tr></tbody></table> <p>I större delen av <a href="/wiki/Europa" title="Europa">Europa</a> gäller sommartid från natten till sista söndagen i mars till samma tid sista söndagen i oktober. I den västeuropeiska <a href="/wiki/Tidszon" title="Tidszon">tidszonen</a> <a href="/wiki/V%C3%A4steuropeisk_tid" title="Västeuropeisk tid">WET</a>, (<a href="/wiki/GMT" class="mw-redirect" title="GMT">GMT</a> &amp; <a href="/wiki/UTC" class="mw-redirect" title="UTC">UTC</a>), den centraleuropeiska tidszonen <a href="/wiki/CET" class="mw-redirect" title="CET">CET</a> (UTC+1) och den östeuropeiska tidszonen (<a href="/wiki/EET" class="mw-redirect" title="EET">EET</a>, UTC+2) inom <a href="/wiki/EU" class="mw-redirect" title="EU">EU</a> börjar och slutar sommartiden vid samma tidpunkt, klockan 1.00 UTC, vilket motsvarar olika klockslag i respektive tidszon. </p><p>Användandet av sommartid inom EU regleras genom <a href="/wiki/Sommartidsdirektivet" title="Sommartidsdirektivet">sommartidsdirektivet</a> sedan 2001.<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> Dessförinnan fanns det totalt åtta olika tillfälliga direktiv som reglerade sommartid inom unionen sedan 1980. Under 2018 visade en webbenkät utförd på uppdrag av <a href="/wiki/Europeiska_kommissionen" title="Europeiska kommissionen">Europeiska kommissionen</a> att en stor majoritet <i>av de svarande</i> föredrog att slippa omställningen.<sup id="cite_ref-sou_8-0" class="reference"><a href="#cite_note-sou-8"><span class="cite-reference-link-bracket">[</span>8<span class="cite-reference-link-bracket">]</span></a></sup> Därför föreslog kommissionen den 12 september 2018 ett <a href="/wiki/Lagf%C3%B6rslag_(Europeiska_unionen)" title="Lagförslag (Europeiska unionen)">lagförslag</a> om att upphäva sommartidsdirektivet och upphöra med sommartidsomställningen.<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> I mars 2019 godkände Europaparlamentet förslaget med vissa ändringar, men förslaget har ännu inte godkänts av EU:s andra lagstiftande institution, <a href="/wiki/Europeiska_unionens_r%C3%A5d" title="Europeiska unionens råd">Europeiska unionens råd</a>. </p> <div class="mw-heading mw-heading4"><h4 id="Island">Island</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=4" title="Redigera avsnitt: Island" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=4" title="Redigera avsnitts källkod: Island"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Island" title="Island">Island</a> använder inte sommartid. Geografiskt sett ligger Islands soltid i UTC&#x2011;1 (<a href="/wiki/Reykjav%C3%ADk" title="Reykjavík">Reykjavík</a> UTC&#x2011;1:28 och <a href="/wiki/Egilssta%C3%B0ir" title="Egilsstaðir">Egilsstaðir</a> UTC&#x2011;0:57), men Island har sedan 1968 valt att använda UTC som normaltid, alltså en timme före soltiden,<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> ungefär som permanent sommartid, fast det inte är skrivet så. Mellan år 1939 och 1967 hade Island sommartid. </p> <div class="mw-heading mw-heading4"><h4 id="Ryssland">Ryssland</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=5" title="Redigera avsnitt: Ryssland" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=5" title="Redigera avsnitts källkod: Ryssland"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Ryssland" title="Ryssland">Ryssland</a> och <a href="/wiki/Belarus" title="Belarus">Belarus</a> fattade beslut om att från och med 27 mars 2011 inte längre använda skild sommartid, utan tillämpa sommartid året om. Man lät alltså bli att ställa om klockorna på hösten för att klockan året runt skulle vara en timme mer än <a href="/wiki/Tidszon" title="Tidszon">tidszonen</a> förutsatte, vilket i samband med omställningen kallades "permanent sommartid".<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><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> Detta väckte dock så småningom så starka protester bland befolkningen i Ryssland, att den ryska duman den 1 juli 2014 beslutade att avskaffa sommartid från och med 26 oktober 2014, och i fortsättningen ha normaltid utan tidsomställningar. Problemet var att morgnarna blev mörkare på vintern, så att de som jobbade inomhus bara såg mörker till och från arbetet. Stödet hade redan året då reformen infördes rasat från tre fjärdedelar på våren till en tredjedel på hösten.<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><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> Den permanenta sommartiden antogs ha förorsakat hälsoproblem och trafikolyckor, i synnerhet i norr.<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> <div class="mw-heading mw-heading4"><h4 id="Sverige">Sverige</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=6" title="Redigera avsnitt: Sverige" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=6" title="Redigera avsnitts källkod: Sverige"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <table align="right" style="border-color:black;border-width:1px;border-style:solid;font-size:95%;margin-left:6px;"> <caption style="font-size: 110%;"><b>Sommartid i Sverige</b> </caption> <tbody><tr> <td>1916-05-15–1916-09-30 </td></tr> <tr> <td>1917–1979: ej sommartid </td></tr> <tr> <td>1980-04-06–1980-09-28 </td></tr> <tr> <td>1981-03-29–1981-09-27 </td></tr> <tr> <td>1982-03-28–1982-09-26 </td></tr> <tr> <td>1983-03-27–1983-09-25 </td></tr> <tr> <td>1984-03-25–1984-09-30 </td></tr> <tr> <td>1985-03-31–1985-09-29 </td></tr> <tr> <td>1986-03-30–1986-09-28 </td></tr> <tr> <td>1987-03-29–1987-09-27 </td></tr> <tr> <td>1988-03-27–1988-09-25 </td></tr> <tr> <td>1989-03-26–1989-09-24 </td></tr> <tr> <td>1990-03-25–1990-09-30 </td></tr> <tr> <td>1991-03-31–1991-09-29 </td></tr> <tr> <td>1992-03-29–1992-09-27 </td></tr> <tr> <td>1993-03-28–1993-09-26 </td></tr> <tr> <td>1994-03-27–1994-09-25 </td></tr> <tr> <td>1995-03-26–1995-09-24 </td></tr> <tr> <td>1996 och senare: som EU </td></tr></tbody></table> <p>Sverige införde 1916, samma år som flera andra länder, sommartid på försök 15&#160;maj–30&#160;september, men bönderna protesterade så mycket att försöket inte upprepades efterföljande år. </p><p>Efter det impopulära sommartidsförsöket i Sverige 15 maj–30 september<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-reference-link-bracket">[</span>16<span class="cite-reference-link-bracket">]</span></a></sup> 1916 infördes sommartid i landet igen först år 1980. Det året började sommartiden i Sverige första söndagen i april och avslutades sista söndagen i september, klockan 1.00 UTC. 1981–1995 började den svenska sommartiden sista söndagen i mars och avslutades sista söndagen i september. Sedan 1996 har hela Europeiska unionen (EU) gemensam sommartid; den börjar sista söndagen i mars och slutar sista söndagen i oktober. Skiftet inträffar liksom i övriga EU 01.00 <a href="/wiki/Koordinerad_universell_tid" title="Koordinerad universell tid">UTC</a>, alltså klockan 02.00 eller 03.00 svensk tid (utan respektive med sommartid),<sup id="cite_ref-sp_sommartid_5-1" class="reference"><a href="#cite_note-sp_sommartid-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup> så att timmen mellan klockan 02.00 och 03.00 utelämnas (vid övergång till sommartid) eller upprepas (vid övergång från sommartid). I Sverige regleras sommartiden i förordning SFS 2001:127 om sommartid.<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> Denna förordning baseras på ett EU-direktiv, som undertecknades av <a href="/wiki/Bosse_Ringholm" title="Bosse Ringholm">Bosse Ringholm</a> under Sveriges ordförandeskap i EU. </p><p>Under sommartiden står solen som högst runt ett-tiden, med variation på olika platser huvudsakligen beroende på deras respektive longitud (hur långt österut/västerut de ligger), då jorden roterar åt öster. Skillnaden i <a href="/wiki/Soltid" title="Soltid">soltid</a> mellan <a href="/wiki/Koster" class="mw-redirect" title="Koster">Koster</a> längst i väster och <a href="/wiki/Haparanda" title="Haparanda">Haparanda</a> längst i öster är drygt 50 minuter. (Haparanda 12.25, Stockholm 12.50, Östersund 13.00, Göteborg 13.10, med variationer på några minuter på grund av jordens elliptiska bana runt solen och jordaxelns lutning).<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-reference-link-bracket">[</span>18<span class="cite-reference-link-bracket">]</span></a></sup> </p> <table class="wikitable"> <tbody><tr> <th>År</th> <th>Sommartid börjar</th> <th>Sommartid slutar </th></tr> <tr> <td align="right">–1915 </td> <td colspan="2" align="center">Ingen sommartid </td></tr> <tr> <td align="center">1916</td> <td>15 maj</td> <td>30 september<sup id="cite_ref-sp_sommartid_5-2" class="reference"><a href="#cite_note-sp_sommartid-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup> </td></tr> <tr> <td>1917–1979 </td> <td colspan="2" align="center">Ingen sommartid </td></tr> <tr> <td align="center">1980</td> <td>Första söndagen i april</td> <td>Sista söndagen i september </td></tr> <tr> <td>1981–1995</td> <td>Sista söndagen i mars</td> <td>Sista söndagen i september </td></tr> <tr> <td>1996–</td> <td>Sista söndagen i mars</td> <td>Sista söndagen i oktober </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Asien">Asien</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=7" title="Redigera avsnitt: Asien" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=7" title="Redigera avsnitts källkod: Asien"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Länderna i <a href="/wiki/Asien" title="Asien">Asien</a> använder i allmänhet inte sommartid. </p><p>Endast följande asiatiska länder använder sommartid: </p> <ul><li><a href="/wiki/Cypern" title="Cypern">Cypern</a></li> <li><a href="/wiki/Israel" title="Israel">Israel</a></li> <li><a href="/wiki/Libanon" title="Libanon">Libanon</a></li></ul> <p>Datum för omställning varierar mellan länderna. Cypern, som är medlem i EU, tillämpar samma datum som övriga EU-länder. I Israel och Libanon varierar datumen, delvis anpassat till religiösa högtider, vars datum växlar från år till år. </p><p><a href="/wiki/Georgien" title="Georgien">Georgien</a>, <a href="/wiki/Kazakstan" title="Kazakstan">Kazakstan</a> och <a href="/wiki/Kirgizistan" title="Kirgizistan">Kirgizistan</a> upphörde att använda sommartid 2006, <a href="/wiki/Irak" title="Irak">Irak</a> 2008, <a href="/wiki/Pakistan" title="Pakistan">Pakistan</a> 2010, <a href="/wiki/Ryssland" title="Ryssland">Ryssland</a> och <a href="/wiki/Armenien" title="Armenien">Armenien</a> 2011 och <a href="/wiki/Turkiet" title="Turkiet">Turkiet</a> 2016. </p><p>Den självutropade staten <a href="/wiki/Turkiska_republiken_Nordcypern" class="mw-redirect" title="Turkiska republiken Nordcypern">Turkiska republiken Nordcypern</a> har följt Turkiet, d.v.s. bytt tidszon och samtidigt upphört med sommartiden. Därmed har Cypern blivit världens minsta land med två tidszoner. </p> <div class="mw-heading mw-heading3"><h3 id="Nord-_och_Centralamerika">Nord- och Centralamerika</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=8" title="Redigera avsnitt: Nord- och Centralamerika" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=8" title="Redigera avsnitts källkod: Nord- och Centralamerika"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>USA</dt></dl> <p>Sommartid kallas i <a href="/wiki/USA" title="USA">USA</a> för "dagsljussparandetid" (engelska: Daylight Saving Time, DST), och används sedan <a href="/wiki/2007" title="2007">2007</a> av större delen av landets <a href="/wiki/Delstat" title="Delstat">delstater</a> från den andra söndagen i <a href="/wiki/Mars_(m%C3%A5nad)" title="Mars (månad)">mars</a> till den första söndagen i <a href="/wiki/November" title="November">november</a> (fram till <a href="/wiki/2006" title="2006">2006</a> gällde sommartid från den första söndagen i <a href="/wiki/April" title="April">april</a> till den sista söndagen i <a href="/wiki/Oktober" title="Oktober">oktober</a> istället). Omställningen sker klockan 2.00 vid båda tillfällena. Datumen avviker 3-4 veckor från EU, beroende på hur många söndagar det är i mars, och då är det inte de vanliga tidsskillnaderna mellan USA och EU. </p><p>Sommartid tillämpas inte i <a href="/wiki/Hawaii" title="Hawaii">Hawaii</a>, <a href="/wiki/Amerikanska_Samoa" title="Amerikanska Samoa">Amerikanska Samoa</a>, <a href="/wiki/Guam" title="Guam">Guam</a>, <a href="/wiki/Puerto_Rico" title="Puerto Rico">Puerto Rico</a> eller <a href="/wiki/Jungfru%C3%B6arna" title="Jungfruöarna">Jungfruöarna</a> och i <a href="/wiki/Arizona" title="Arizona">Arizona</a> endast i <a href="/wiki/Indianreservat" title="Indianreservat">indianreservatet</a> <i><a href="/wiki/Navajo" title="Navajo">Navajo</a> Indian Reservation</i>. Sommartid infördes 2006 i hela <a href="/wiki/Indiana" title="Indiana">Indiana</a>; större delen av delstaten hade tidigare inte sommartid. </p> <dl><dt>Kanada</dt></dl> <p>I <a href="/wiki/Kanada" title="Kanada">Kanada</a> används sommartid i de flesta <a href="/wiki/Kanadas_provinser_och_territorier" title="Kanadas provinser och territorier">provinserna</a>, med samma start- och slutdatum som i USA. Sommartid används inte i provinsen <a href="/wiki/Saskatchewan" title="Saskatchewan">Saskatchewan</a>, och inte heller i en del små glesbefolkade områden nära tidszongränserna. Kanada följer USA:s ändring från 2007. </p> <dl><dt>Mexiko och Centralamerika</dt></dl> <p>I <a href="/wiki/Mexiko" title="Mexiko">Mexiko</a> användes sommartid i större delen av landet. Undantaget var delstaten <a href="/wiki/Sonora,_Mexiko" class="mw-redirect" title="Sonora, Mexiko">Sonora</a> som följer <a href="/wiki/Arizona" title="Arizona">Arizona</a> i USA. Mexiko hade sommartid från första söndagen i april till sista söndagen i oktober, alltså som USA:s tidigare datum. Sommartiden avskaffades den 28 oktober 2022.<sup><a href="/wiki/Wikipedia:Introduktion_till_k%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Introduktion till källhänvisningar">&#91;<span title="Denna uppgift behöver källa (2023-03)"><i>källa&#160;behövs</i></span>&#93;</a></sup> </p><p>I <a href="/wiki/V%C3%A4stindien" title="Västindien">Karibien</a> har <a href="/wiki/Kuba" title="Kuba">Kuba</a>, <a href="/wiki/Haiti" title="Haiti">Haiti</a>, <a href="/wiki/Turks-_och_Caicos%C3%B6arna" title="Turks- och Caicosöarna">Turks- och Caicosöarna</a> och <a href="/wiki/Bahamas" title="Bahamas">Bahamas</a> sommartid medan övriga länder och självstyrande områden i Karibien inte har det. Länderna i <a href="/wiki/Centralamerika" title="Centralamerika">Centralamerika</a> använder inte sommartid. </p> <div class="mw-heading mw-heading3"><h3 id="Norra_Afrika">Norra Afrika</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=9" title="Redigera avsnitt: Norra Afrika" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=9" title="Redigera avsnitts källkod: Norra Afrika"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>På norra halvklotet finns sommartid dessutom i ytterligare några länder: </p> <ul><li><a href="/wiki/Kanarie%C3%B6arna" title="Kanarieöarna">Kanarieöarna</a> och <a href="/wiki/Plazas_de_soberan%C3%ADa" title="Plazas de soberanía">Plazas de soberanía</a> (<a href="/wiki/Spanien" title="Spanien">Spanien</a>)</li> <li><a href="/wiki/Libyen" title="Libyen">Libyen</a> (avskaffades 1989, återinfördes 2013)<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-reference-link-bracket">[</span>19<span class="cite-reference-link-bracket">]</span></a></sup></li></ul> <ul><li><a href="/wiki/Marocko" title="Marocko">Marocko</a> (infördes 2008)</li></ul> <p><a href="/wiki/Egypten" title="Egypten">Egypten</a> övergav sommartid 2011. </p> <div class="mw-heading mw-heading3"><h3 id="Södra_halvklotet"><span id="S.C3.B6dra_halvklotet"></span>Södra halvklotet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=10" title="Redigera avsnitt: Södra halvklotet" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=10" title="Redigera avsnitts källkod: Södra halvklotet"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>På <a href="/wiki/S%C3%B6dra_halvklotet" title="Södra halvklotet">södra halvklotet</a> används sommartid av vissa länder på det motsatta halvåret jämfört med norra halvklotet. Det gäller bland annat i: </p> <ul><li><a href="/wiki/Australien" title="Australien">Australien</a> (delstaterna <a href="/wiki/New_South_Wales" title="New South Wales">New South Wales</a>, <a href="/wiki/Victoria_(delstat)" class="mw-redirect" title="Victoria (delstat)">Victoria</a>, <a href="/wiki/South_Australia" title="South Australia">South Australia</a>, <a href="/wiki/Tasmanien" title="Tasmanien">Tasmanien</a> och <a href="/wiki/Australian_Capital_Territory" title="Australian Capital Territory">Australian Capital Territory</a>, men <i>inte</i> i <a href="/wiki/Northern_Territory" title="Northern Territory">Northern Territory</a>, <a href="/wiki/Queensland" title="Queensland">Queensland</a> och <a href="/wiki/Western_Australia" title="Western Australia">Western Australia</a>)</li> <li><a href="/wiki/Chile" title="Chile">Chile</a></li> <li><a href="/wiki/Nya_Zeeland" title="Nya Zeeland">Nya Zeeland</a></li> <li><a href="/wiki/Paraguay" title="Paraguay">Paraguay</a></li></ul> <p>Detta gör det mer komplicerat att räkna ut tidsskillnaden mellan länder på norra respektive södra halvklotet. </p><p>Datumen för omställning av klockan varierar mellan länderna. Till 2007 varierade dessutom datumen mellan Australiens delstater. I <a href="/wiki/Uruguay" title="Uruguay">Uruguay</a> avskaffades sommartid 2015. </p> <div class="mw-heading mw-heading2"><h2 id="Effekter">Effekter</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=11" title="Redigera avsnitt: Effekter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=11" title="Redigera avsnitts källkod: Effekter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Daylight_saving_time_lapse,_2013-10-27.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Daylight_saving_time_lapse%2C_2013-10-27.jpg/250px-Daylight_saving_time_lapse%2C_2013-10-27.jpg" decoding="async" width="250" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Daylight_saving_time_lapse%2C_2013-10-27.jpg/375px-Daylight_saving_time_lapse%2C_2013-10-27.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/Daylight_saving_time_lapse%2C_2013-10-27.jpg/500px-Daylight_saving_time_lapse%2C_2013-10-27.jpg 2x" data-file-width="1855" data-file-height="1624" /></a><figcaption>Omställningen från och till sommartid görs i nätverkskopplade system numera ofta automatiskt. Fast ibland kan tekniken komma i olag. Dessa informationstavlor på en flygbuss försöker presentera klockslag samt beräknad ankomsttid, drygt tio timmar efter att sommartiden upphört.</figcaption></figure> <p>Det finns egentligen två aspekter av sommartid att ta i beaktande, dels effekten att ställa om klockan, vilket innebär att de som har fasta arbets- eller studietider måste gå upp en timme tidigare direkt efter omställningen än före helgen, men dels också att vi under hela sommartidsperioden går upp en timme tidigare i förhållande till soltiden, än vad vi skulle ha gjort om vi haft permanent normaltid.<sup id="cite_ref-Roenneberg2019Why_20-0" class="reference"><a href="#cite_note-Roenneberg2019Why-20"><span class="cite-reference-link-bracket">[</span>20<span class="cite-reference-link-bracket">]</span></a></sup> Här är det framför allt effekten av omställningen som diskuteras. Det har visat sig vara svårt att påvisa vilka effekter denna omställning har. De fåtal undersökningar som har gjorts uppvisar inte en entydig bild. </p> <div class="mw-heading mw-heading3"><h3 id="Energiförbrukning"><span id="Energif.C3.B6rbrukning"></span>Energiförbrukning</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=12" title="Redigera avsnitt: Energiförbrukning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=12" title="Redigera avsnitts källkod: Energiförbrukning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Amerikansk forskning tyder på att den energibesparing som uppnås är i det närmaste försumbar,<sup id="cite_ref-energiusnews_21-0" class="reference"><a href="#cite_note-energiusnews-21"><span class="cite-reference-link-bracket">[</span>21<span class="cite-reference-link-bracket">]</span></a></sup> och att sommartiden leder till en ökning av energikrävande aktiviteter.<sup id="cite_ref-energiabg_22-0" class="reference"><a href="#cite_note-energiabg-22"><span class="cite-reference-link-bracket">[</span>22<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-reference-link-bracket">[</span>23<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Trafiksäkerhet"><span id="Trafiks.C3.A4kerhet"></span>Trafiksäkerhet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=13" title="Redigera avsnitt: Trafiksäkerhet" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=13" title="Redigera avsnitts källkod: Trafiksäkerhet"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S. Coren konstaterade att fler trafikolyckor än annars förväntat inträffar måndagen efter övergången till sommartid, uppenbarligen som följd av förkortad eller försämrad sömn.<sup id="cite_ref-Coren_24-0" class="reference"><a href="#cite_note-Coren-24"><span class="cite-reference-link-bracket">[</span>24<span class="cite-reference-link-bracket">]</span></a></sup> En motsvarande svensk studie visade motsvarande tendens, som dock inte var <a href="/wiki/Statistisk_signifikans" class="mw-redirect" title="Statistisk signifikans">statistiskt signifikant</a>, och forskarna anser att studien tvärtom motsäger tolkningen.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-reference-link-bracket">[</span>25<span class="cite-reference-link-bracket">]</span></a></sup> En tredje studie, där ljusförhållanden vid olyckor analyserats, visar att den bättre tillgången till dagsljus under rusningstid som sommartid medför (i medeltal i USA) borde minska mängden trafikolyckor, framför allt dödsolyckor för fotgängare. Effekten av själva övergången undersöktes inte.<sup id="cite_ref-Ferguson_26-0" class="reference"><a href="#cite_note-Ferguson-26"><span class="cite-reference-link-bracket">[</span>26<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Ekonomi">Ekonomi</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=14" title="Redigera avsnitt: Ekonomi" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=14" title="Redigera avsnitts källkod: Ekonomi"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Införandet av sommartid leder till 3 procent ökad omsättning<sup class="noprint Inline-Template"><a href="/wiki/Wikipedia:Inledning_och_sammanhang#Förklara_sammanhanget" title="Wikipedia:Inledning och sammanhang">&#91;<span title="3 % per vad? Per år? Per ”sommartidsperiod”? Vad är det som avses? (2014-03)"><i>förtydliga</i></span>&#93;</a></sup> i sport- och fritidsbranschen enligt en undersökning 1999 av EU.<sup id="cite_ref-Aries_27-0" class="reference"><a href="#cite_note-Aries-27"><span class="cite-reference-link-bracket">[</span>27<span class="cite-reference-link-bracket">]</span></a></sup> Denna ökning ökar energiåtgången.<sup id="cite_ref-energiabg_22-1" class="reference"><a href="#cite_note-energiabg-22"><span class="cite-reference-link-bracket">[</span>22<span class="cite-reference-link-bracket">]</span></a></sup> Å andra sidan leder sommartid till minskning av inomhusaktiviteter och drabbar därför <a href="/wiki/Etermedia" class="mw-redirect" title="Etermedia">etermedia</a> och <a href="/wiki/Kultur" title="Kultur">kultur</a> ekonomiskt, och medför kostnader för samhället som helhet i samband med omställningen på våren och hösten.<sup><a href="/wiki/Wikipedia:Introduktion_till_k%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Introduktion till källhänvisningar">&#91;<span title="Denna uppgift behöver källa (2014-03)"><i>källa&#160;behövs</i></span>&#93;</a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Arbetsplatssäkerhet"><span id="Arbetsplatss.C3.A4kerhet"></span>Arbetsplatssäkerhet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=15" title="Redigera avsnitt: Arbetsplatssäkerhet" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=15" title="Redigera avsnitts källkod: Arbetsplatssäkerhet"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mängden arbetsolycksfall har visats öka vid omställningen till sommartid som en direkt följd av den sömnbrist som uppstår.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-reference-link-bracket">[</span>28<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Hälsa"><span id="H.C3.A4lsa"></span>Hälsa</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=16" title="Redigera avsnitt: Hälsa" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=16" title="Redigera avsnitts källkod: Hälsa"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Studier har visat på en marginell men mätbar ökning, i samband med omställningarna, av bland annat <a href="/wiki/Hj%C3%A4rtinfarkt" title="Hjärtinfarkt">hjärtinfarkter</a><sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-reference-link-bracket">[</span>29<span class="cite-reference-link-bracket">]</span></a></sup> och <a href="/wiki/Sj%C3%A4lvmord" title="Självmord">självmord</a>,<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-reference-link-bracket">[</span>30<span class="cite-reference-link-bracket">]</span></a></sup> hos riskgrupper, såsom personer med svårigheter att ställa om sin dygnsrytm. Dessutom, som svar på senare tids diskussioner om att sluta ställa om klockan, pekar en rad forskare på flera risker med att göra sommartid permanent.<sup id="cite_ref-Roenneberg2019Why_20-1" class="reference"><a href="#cite_note-Roenneberg2019Why-20"><span class="cite-reference-link-bracket">[</span>20<span class="cite-reference-link-bracket">]</span></a></sup> De ger exempel på 13 publikationer som rapporterat hälsoproblem kopplat till den ökade diskrepansen mellan biologisk (solstyrd) klocka och samhällets klocka, närmare bestämt kortare livslängd, förkortad nattlig sömn, mentala problem och kognitiva störningar. Å andra sidan så finns länder som Island och Spanien som lever permanent en timme "fel" i förhållande till tidszon utan att några studier pekar på att dess befolkning skulle vara överrepresenterade på dessa områden. </p> <div class="mw-heading mw-heading2"><h2 id="Minnesregler">Minnesregler</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=17" title="Redigera avsnitt: Minnesregler" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=17" title="Redigera avsnitts källkod: Minnesregler"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Daylightsavings.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Daylightsavings.svg/190px-Daylightsavings.svg.png" decoding="async" width="190" height="287" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Daylightsavings.svg/285px-Daylightsavings.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Daylightsavings.svg/380px-Daylightsavings.svg.png 2x" data-file-width="976" data-file-height="1472" /></a><figcaption>Amerikansk samhällsinformation från 2001 uppmanar till att dra tillbaka klockan när sommartid upphör.</figcaption></figure> <p>Ett sätt att minnas åt vilket håll man ska ställa klockan är att ta hjälp av <a href="/wiki/Ramsa" title="Ramsa">ramsan</a> "Se <i>fram</i> emot sommaren (avser omställningen under våren); se <i>tillbaka</i> på sommaren" (avser omställningen under hösten). Ett annat är "Ställ <i>fram</i> <a href="/wiki/Utomhusm%C3%B6bler" class="mw-redirect" title="Utomhusmöbler">utemöblerna</a> inför sommaren; ställ <i>tillbaka</i> utemöblerna inför vintern". Eller ”ställ fram grillen, ställ tillbaka grillen”. På <a href="/wiki/Amerikansk_engelska" title="Amerikansk engelska">amerikansk engelska</a> används ramsan "spring forward, fall back" ("hoppa [vår] framåt, fall [höst] tillbaka") eller, på engelska om klockan ställs framåt i mars, "March forward" ("marschera [mars] framåt").<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-reference-link-bracket">[</span>31<span class="cite-reference-link-bracket">]</span></a></sup> Eller helt enkelt "vrid klockan mot sommaren". </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=Sommartid&amp;veaction=edit&amp;section=18" 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=Sommartid&amp;action=edit&amp;section=18" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Lista_%C3%B6ver_l%C3%A4nders_tidszoner" title="Lista över länders tidszoner">Lista över länders tidszoner</a> – innehåller även sommartidsinformation</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=Sommartid&amp;veaction=edit&amp;section=19" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=19" title="Redigera avsnitts källkod: Referenser"><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-1"><a href="#cite_ref-1">^</a> <span class="reference-text"> <a rel="nofollow" class="external text" href="https://www.ne.se/sommartid"><i>Sommartid</i></a> i <i><a href="/wiki/Nationalencyklopedin" title="Nationalencyklopedin">Nationalencyklopedins</a></i> nätupplaga. Läst 16 november 2013.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/vintertid">NE.se - "vintertid"</a></span> </li> <li id="cite_note-Franklin-3"><a href="#cite_ref-Franklin_3-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFBenjamin_Franklin,_skrivet_anonymt1784"><a href="/wiki/Benjamin_Franklin" title="Benjamin Franklin">Benjamin Franklin</a>, skrivet <a href="/wiki/Anonym" class="mw-redirect" title="Anonym">anonymt</a>&#32;(1784-04-26).&#32;”Aux auteurs du Journal”&#32;(på franska).&#32;<i>Journal de Paris</i>&#32;(117): sid.&#160;511–513.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Aux+auteurs+du+Journal&amp;rft.jtitle=Journal+de+Paris&amp;rft.aulast=%5B%5BBenjamin+Franklin%5D%5D%2C+skrivet+%5B%5Banonym%5D%5Dt&amp;rft.au=%5B%5BBenjamin+Franklin%5D%5D%2C+skrivet+%5B%5Banonym%5D%5Dt&amp;rft.date=1784-04-26&amp;rft.issue=117&amp;rft.pages=sid.%26nbsp%3B511%E2%80%93513&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span> Brevet publicerades först i journalens sektion "Économie", i fransk översättning av det engelskspråkiga originalet. Den <a rel="nofollow" class="external text" href="http://www.webexhibits.org/daylightsaving/franklin3.html">omarbetade engelskspråkiga versionen</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171115130303/http://www.webexhibits.org/daylightsaving/franklin3.html">Arkiverad</a> 15 november 2017 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>. [cited 2009-02-13] är allmänt kallad "An Economical Project", en titel som Franklin inte använde själv; se <cite style="font-style:normal" class="journal" id="CITEREFA.O._Aldridge1956">A.O. Aldridge&#32;(1956).&#32;”Franklin's essay on daylight saving”.&#32;<i>American Literature</i>&#32;28&#32;(1): sid.&#160;23–29. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<span class="neverexpand"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.2307%2F2922719">10.2307/2922719</a></span>. <a href="/wiki/International_Standard_Serial_Number" title="International Standard Serial Number">ISSN</a> <a rel="nofollow" class="external text" href="http://worldcat.org/issn/0002-9831">0002-9831</a>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Franklin%27s+essay+on+daylight+saving&amp;rft.jtitle=American+Literature&amp;rft.aulast=A.O.+Aldridge&amp;rft.au=A.O.+Aldridge&amp;rft.date=1956&amp;rft.volume=28&amp;rft.issue=1&amp;rft.pages=sid.%26nbsp%3B23%E2%80%9329&amp;rft_id=info:doi/10.2307%2F2922719&amp;rft.issn=0002-9831&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-DNZB-Hudson-4"><a href="#cite_ref-DNZB-Hudson_4-0">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.dnzb.govt.nz/dnzb/default.asp?Find_Quick.asp?PersonEssay=3H42">Hudson, George Vernon 1867–1946; Dictionary of New Zealand Biography</a></span> </li> <li id="cite_note-sp_sommartid-5">^ [<a href="#cite_ref-sp_sommartid_5-0"><small>a</small></a> <a href="#cite_ref-sp_sommartid_5-1"><small>b</small></a> <a href="#cite_ref-sp_sommartid_5-2"><small>c</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20180707132814/http://www.sp.se/sv/index/information/summertime/Sidor/default.aspx">”Normaltid och sommartid i Sverige”</a>. SP. Arkiverad från <a rel="nofollow" class="external text" href="http://www.sp.se/sv/index/information/summertime/Sidor/default.aspx">originalet</a>&#32;den 7 juli 2018<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20180707132814/http://www.sp.se/sv/index/information/summertime/Sidor/default.aspx">https://web.archive.org/web/20180707132814/http://www.sp.se/sv/index/information/summertime/Sidor/default.aspx</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Normaltid+och+sommartid+i+Sverige&amp;rft.atitle=&amp;rft.pub=SP&amp;rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20180707132814%2Fhttp%3A%2F%2Fwww.sp.se%2Fsv%2Findex%2Finformation%2Fsummertime%2FSidor%2Fdefault.aspx&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-6"><a href="#cite_ref-6">^</a> <span class="reference-text"><a href="/wiki/Svensk_f%C3%B6rfattningssamling" title="Svensk författningssamling">SFS</a> 1979:1032 (<a rel="nofollow" class="external text" href="https://lagen.nu/1979:1032">lagen.nu</a>)</span> </li> <li id="cite_note-7"><a href="#cite_ref-7">^</a> <span class="reference-text">Europaparlamentets och rådets direktiv 2000/84/EG av den 19 januari 2001 om bestämmelser beträffande sommartid</span> </li> <li id="cite_note-sou-8"><a href="#cite_ref-sou_8-0">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://europa.eu/rapid/press-release_IP-18-5302_en.htm">Summertime Consultation: 84% want Europe to stop changing the clock</a></span> </li> <li id="cite_note-9"><a href="#cite_ref-9">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://europa.eu/rapid/press-release_MEMO-18-5641_en.htm">State of the Union 2018: Q&amp;A on the Commission's proposal to put an end to seasonal clock changes</a> <a href="/w/index.php?title=European_Commission&amp;action=edit&amp;redlink=1" class="new" title="European Commission [inte skriven än]">European Commission</a> − Press Release (Strasbourg, 12 September 2018)</span> </li> <li id="cite_note-10"><a href="#cite_ref-10">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.timeanddate.com/worldclock/iceland/reykjavik">Current local time in Reykjavik</a></span> </li> <li id="cite_note-11"><a href="#cite_ref-11">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://en.ria.ru/russia/20110327/163225487.html">"Russia switches to 'permanent summer time'".</a> Ria.ru, 2011-03-27. Läst 14 april 2014. <span style="font-size:.95em;font-weight:bold;color:var(--color-subtle, #54595d);">(engelska)</span></span> </li> <li id="cite_note-12"><a href="#cite_ref-12">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.themoscowtimes.com/news/article/medvedev-orders-permanent-summer-time/430650.html">”Medvedev Orders Permanent ’Summer Time’”</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://www.themoscowtimes.com/news/article/medvedev-orders-permanent-summer-time/430650.html">http://www.themoscowtimes.com/news/article/medvedev-orders-permanent-summer-time/430650.html</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Medvedev+Orders+Permanent+%E2%80%99Summer+Time%E2%80%99&amp;rft.atitle=&amp;rft_id=http%3A%2F%2Fwww.themoscowtimes.com%2Fnews%2Farticle%2Fmedvedev-orders-permanent-summer-time%2F430650.html&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span> The Moscow Times, 9 februari 2011</span> </li> <li id="cite_note-13"><a href="#cite_ref-13">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://svenska.yle.fi/artikel/2014/07/01/ryssland-overgar-till-standig-vintertid">”Ryssland övergår till ständig vintertid”</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://svenska.yle.fi/artikel/2014/07/01/ryssland-overgar-till-standig-vintertid">http://svenska.yle.fi/artikel/2014/07/01/ryssland-overgar-till-standig-vintertid</a></span><span class="reference-accessdate">.&#32;Läst 26 oktober 2014</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Ryssland+%C3%B6verg%C3%A5r+till+st%C3%A4ndig+vintertid&amp;rft.atitle=&amp;rft_id=http%3A%2F%2Fsvenska.yle.fi%2Fartikel%2F2014%2F07%2F01%2Fryssland-overgar-till-standig-vintertid&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</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="web"><a rel="nofollow" class="external text" href="http://en.ria.ru/russia/20141026/194606015/Russia-Turns-Clocks-Back-to-Winter-Time.html">”Russia Turns Clocks Back to 'Winter' Time”</a>. 26 oktober 2014<span class="printonly">. <a rel="nofollow" class="external free" href="http://en.ria.ru/russia/20141026/194606015/Russia-Turns-Clocks-Back-to-Winter-Time.html">http://en.ria.ru/russia/20141026/194606015/Russia-Turns-Clocks-Back-to-Winter-Time.html</a></span><span class="reference-accessdate">.&#32;Läst 26 oktober 2014</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Russia+Turns+Clocks+Back+to+%27Winter%27+Time&amp;rft.atitle=&amp;rft.date=26+oktober+2014&amp;rft_id=http%3A%2F%2Fen.ria.ru%2Frussia%2F20141026%2F194606015%2FRussia-Turns-Clocks-Back-to-Winter-Time.html&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</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="web"><a rel="nofollow" class="external text" href="https://www.bbc.co.uk/news/blogs-news-from-elsewhere-28423647">”Russia: Putin abolishes 'daylight savings' time change”</a>. <a href="/wiki/BBC" title="BBC">BBC</a>. 22 juli 2014<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.bbc.co.uk/news/blogs-news-from-elsewhere-28423647">http://www.bbc.co.uk/news/blogs-news-from-elsewhere-28423647</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Russia%3A+Putin+abolishes+%27daylight+savings%27+time+change&amp;rft.atitle=&amp;rft.date=22+juli+2014&amp;rft.pub=%5B%5BBBC%5D%5D&amp;rft_id=http%3A%2F%2Fwww.bbc.co.uk%2Fnews%2Fblogs-news-from-elsewhere-28423647&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-16"><a href="#cite_ref-16">^</a> <span class="reference-text"><i>Gustaf V och hans tid 1907–1918</i>, <a href="/wiki/Erik_Lindorm" title="Erik Lindorm">Erik Lindorm</a> 1979 <a href="/wiki/Special:Bokk%C3%A4llor/91-46-13376-3" title="Special:Bokkällor/91-46-13376-3">ISBN 91-46-13376-3</a> s. 404</span> </li> <li id="cite_note-17"><a href="#cite_ref-17">^</a> <span class="reference-text">Förordning om sommartid&#160;(<a rel="nofollow" class="external text" href="https://lagen.nu/2001:127">2001:127</a>)</span> </li> <li id="cite_note-18"><a href="#cite_ref-18">^</a> <span class="reference-text">Longituder 11°0′52″Ö och 24°7′1″Ö med 4 tidsminuter per grad ger 4×(24,1169−11,0144) = 52,41 min = 52 min 25 sek.</span> </li> <li id="cite_note-19"><a href="#cite_ref-19">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.timeanddate.com/news/time/libya-time-zone-change-2012.html">”Libya Changes Time Zone”</a>. Time and Date AS. 10 november 2012<span class="printonly">. <a rel="nofollow" class="external free" href="http://www.timeanddate.com/news/time/libya-time-zone-change-2012.html">http://www.timeanddate.com/news/time/libya-time-zone-change-2012.html</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Libya+Changes+Time+Zone&amp;rft.atitle=&amp;rft.date=10+november+2012&amp;rft.pub=Time+and+Date+AS&amp;rft_id=http%3A%2F%2Fwww.timeanddate.com%2Fnews%2Ftime%2Flibya-time-zone-change-2012.html&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-Roenneberg2019Why-20">^ [<a href="#cite_ref-Roenneberg2019Why_20-0"><small>a</small></a> <a href="#cite_ref-Roenneberg2019Why_20-1"><small>b</small></a>] <span class="reference-text">Roenneberg, T., Wirz-Justice, A., Skene, D. J., Ancoli-Israel, S., Wright, K. P., Dijk, D.-J., Zee, P., Gorman, M. R., Winnebeck, E. C., &amp; Klerman, E. B. (2019). Why Should We Abolish Daylight Saving Time? Journal of Biological Rhythms, 34(3), 227–230. <a rel="nofollow" class="external free" href="https://doi.org/10.1177/0748730419854197">https://doi.org/10.1177/0748730419854197</a></span> </li> <li id="cite_note-energiusnews-21"><a href="#cite_ref-energiusnews_21-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFMaura_Judkis2025">Maura Judkis&#32;(6 mars 2009).&#32;<a rel="nofollow" class="external text" href="https://money.usnews.com/money/blogs/fresh-greens/2009/03/06/daylight-savings-times-true-energy-savings?s_cid=rss:fresh-greens:daylight-savings-times-true-energy-savings">”Daylight Saving Time: How Much Energy Does It Really Save?”</a>. USNews<span class="printonly">. <a rel="nofollow" class="external free" href="https://money.usnews.com/money/blogs/fresh-greens/2009/03/06/daylight-savings-times-true-energy-savings?s_cid=rss:fresh-greens:daylight-savings-times-true-energy-savings">https://money.usnews.com/money/blogs/fresh-greens/2009/03/06/daylight-savings-times-true-energy-savings?s_cid=rss:fresh-greens:daylight-savings-times-true-energy-savings</a></span><span class="reference-accessdate">.&#32;Läst 18 mars 2009</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Daylight+Saving+Time%3A+How+Much+Energy+Does+It+Really+Save%3F&amp;rft.atitle=&amp;rft.aulast=Maura+Judkis&amp;rft.au=Maura+Judkis&amp;rft.date=6+mars+2009&amp;rft.pub=USNews&amp;rft_id=https%3A%2F%2Fmoney.usnews.com%2Fmoney%2Fblogs%2Ffresh-greens%2F2009%2F03%2F06%2Fdaylight-savings-times-true-energy-savings%3Fs_cid%3Drss%3Afresh-greens%3Adaylight-savings-times-true-energy-savings&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-energiabg-22">^ [<a href="#cite_ref-energiabg_22-0"><small>a</small></a> <a href="#cite_ref-energiabg_22-1"><small>b</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFSebastian_Blanco2025">Sebastian Blanco&#32;(11 mars 2007).&#32;<a rel="nofollow" class="external text" href="http://www.autobloggreen.com/2007/03/11/think-daylight-saving-time-saves-energy-think-again-or-not/">”Think daylight saving time saves energy? Think again. Or not.”</a>. AutoblogGreen<span class="printonly">. <a rel="nofollow" class="external free" href="http://www.autobloggreen.com/2007/03/11/think-daylight-saving-time-saves-energy-think-again-or-not/">http://www.autobloggreen.com/2007/03/11/think-daylight-saving-time-saves-energy-think-again-or-not/</a></span><span class="reference-accessdate">.&#32;Läst 18 mars 2009</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Think+daylight+saving+time+saves+energy%3F+Think+again.+Or+not.&amp;rft.atitle=&amp;rft.aulast=Sebastian+Blanco&amp;rft.au=Sebastian+Blanco&amp;rft.date=11+mars+2007&amp;rft.pub=AutoblogGreen&amp;rft_id=http%3A%2F%2Fwww.autobloggreen.com%2F2007%2F03%2F11%2Fthink-daylight-saving-time-saves-energy-think-again-or-not%2F&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-23"><a href="#cite_ref-23">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.npr.org/templates/story/story.php?storyId=7779869">”The Reasoning Behind Changing Daylight-Saving”</a>. NPR<span class="printonly">. <a rel="nofollow" class="external free" href="http://www.npr.org/templates/story/story.php?storyId=7779869">http://www.npr.org/templates/story/story.php?storyId=7779869</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=The+Reasoning+Behind+Changing+Daylight-Saving&amp;rft.atitle=&amp;rft.pub=NPR&amp;rft_id=http%3A%2F%2Fwww.npr.org%2Ftemplates%2Fstory%2Fstory.php%3FstoryId%3D7779869&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-Coren-24"><a href="#cite_ref-Coren_24-0">^</a> <span class="reference-text">S. Coren (Department of Psychology, University of British Columbia, Canada): <a rel="nofollow" class="external text" href="http://www.mcmaster.ca/inabis98/occupational/coren0164/">Sleep Deficit, Fatal Accidents, and the Spring Shift to Daylight Savings Time</a></span> </li> <li id="cite_note-25"><a href="#cite_ref-25">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFLambe_M,_Cummings_P._(Karolinska_Institutet)1999">Lambe M, Cummings P. (Karolinska Institutet)&#32;(24 mars 1999).&#32;<a rel="nofollow" class="external text" href="http://www.sciencedirect.com/science/article/pii/S0001457599000883">”The shift to and from daylight savings time and motor vehicle crashes.”</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://www.sciencedirect.com/science/article/pii/S0001457599000883">http://www.sciencedirect.com/science/article/pii/S0001457599000883</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=The+shift+to+and+from+daylight+savings+time+and+motor+vehicle+crashes.&amp;rft.atitle=&amp;rft.aulast=Lambe+M%2C+Cummings+P.+%28Karolinska+Institutet%29&amp;rft.au=Lambe+M%2C+Cummings+P.+%28Karolinska+Institutet%29&amp;rft.date=24+mars+1999&amp;rft_id=http%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0001457599000883&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span><i></i></span> </li> <li id="cite_note-Ferguson-26"><a href="#cite_ref-Ferguson_26-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFSusan_A._Ferguson;_David_F._Preusser;_Adrian_K._Lund;_Paul_L._Zador;_Robert_G._Ulmer1995">Susan A. Ferguson; David F. Preusser; Adrian K. Lund; Paul L. Zador; Robert G. Ulmer&#32;(1995).&#32;<a rel="nofollow" class="external text" href="http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.85.1.92">”Daylight saving time and motor vehicle crashes: the reduction in pedestrian and vehicle occupant fatalities”</a>.&#32;<i>American Journal of Public Health</i>&#32;85&#32;(1): sid.&#160;92–95. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<span class="neverexpand"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.2105%2FAJPH.85.1.92">10.2105/AJPH.85.1.92</a></span>. <a href="https://www.ncbi.nlm.nih.gov/pubmed/7832269?dopt=Abstract" class="extiw" title="pmid:7832269">PMID 7832269</a>. <a href="/wiki/PubMed_Central" class="mw-redirect" title="PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1615292">1615292</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.85.1.92">http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.85.1.92</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Daylight+saving+time+and+motor+vehicle+crashes%3A+the+reduction+in+pedestrian+and+vehicle+occupant+fatalities&amp;rft.jtitle=American+Journal+of+Public+Health&amp;rft.aulast=Susan+A.+Ferguson%3B+David+F.+Preusser%3B+Adrian+K.+Lund%3B+Paul+L.+Zador%3B+Robert+G.+Ulmer&amp;rft.au=Susan+A.+Ferguson%3B+David+F.+Preusser%3B+Adrian+K.+Lund%3B+Paul+L.+Zador%3B+Robert+G.+Ulmer&amp;rft.date=1995&amp;rft.volume=85&amp;rft.issue=1&amp;rft.pages=sid.%26nbsp%3B92%E2%80%9395&amp;rft_id=info:doi/10.2105%2FAJPH.85.1.92&amp;rft_id=info:pmid/7832269&amp;rft_id=http%3A%2F%2Fajph.aphapublications.org%2Fdoi%2Fpdf%2F10.2105%2FAJPH.85.1.92&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-Aries-27"><a href="#cite_ref-Aries_27-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFMyriam_B.C._Aries;_Guy_R._Newsham2008">Myriam B.C. Aries; Guy R. Newsham&#32;(2008).&#32;<a rel="nofollow" class="external text" href="https://web.archive.org/web/20110611195848/http://www.nrc-cnrc.gc.ca/obj/irc/doc/pubs/nrcc49212/nrcc49212.pdf">”Effect of daylight saving time on lighting energy use: a literature review”</a>.&#32;<i><a href="/wiki/Energy_Policy" title="Energy Policy">Energy Policy</a></i>&#32;36&#32;(6): sid.&#160;1858–1866. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<span class="neverexpand"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2Fj.enpol.2007.05.021">10.1016/j.enpol.2007.05.021</a></span>. Arkiverad från <a rel="nofollow" class="external text" href="http://www.nrc-cnrc.gc.ca/obj/irc/doc/pubs/nrcc49212/nrcc49212.pdf">originalet</a>&#32;den 2011-06-11<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20110611195848/http://www.nrc-cnrc.gc.ca/obj/irc/doc/pubs/nrcc49212/nrcc49212.pdf">https://web.archive.org/web/20110611195848/http://www.nrc-cnrc.gc.ca/obj/irc/doc/pubs/nrcc49212/nrcc49212.pdf</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Effect+of+daylight+saving+time+on+lighting+energy+use%3A+a+literature+review&amp;rft.jtitle=%5B%5BEnergy+Policy%5D%5D&amp;rft.aulast=Myriam+B.C.+Aries%3B+Guy+R.+Newsham&amp;rft.au=Myriam+B.C.+Aries%3B+Guy+R.+Newsham&amp;rft.date=2008&amp;rft.volume=36&amp;rft.issue=6&amp;rft.pages=sid.%26nbsp%3B1858%E2%80%931866&amp;rft_id=info:doi/10.1016%2Fj.enpol.2007.05.021&amp;rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20110611195848%2Fhttp%3A%2F%2Fwww.nrc-cnrc.gc.ca%2Fobj%2Firc%2Fdoc%2Fpubs%2Fnrcc49212%2Fnrcc49212.pdf&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-28"><a href="#cite_ref-28">^</a> <span class="reference-text">Christopher M. Barnes; David T. Wagner (2009). <a rel="nofollow" class="external text" href="http://www.apa.org/pubs/journals/releases/apl9451317.pdf">"Changing to daylight saving time cuts into sleep and increases workplace injuries"</a>. Journal of Applied Psychology 94 (5): 1305–1317</span> </li> <li id="cite_note-29"><a href="#cite_ref-29">^</a> <span class="reference-text"><cite style="font-style:normal" class="news" id="CITEREFHeissmann2008">Heissmann, Nicole&#32;(29 oktober 2008).&#32;<a rel="nofollow" class="external text" href="http://www.dn.se/nyheter/vetenskap/sommartid-okar-risk-for-hjartinfarkt">”Sommartid ökar risk för hjärtinfarkt”</a>.&#32;<i>Dagens Nyheter</i><span class="printonly">. <a rel="nofollow" class="external free" href="http://www.dn.se/nyheter/vetenskap/sommartid-okar-risk-for-hjartinfarkt">http://www.dn.se/nyheter/vetenskap/sommartid-okar-risk-for-hjartinfarkt</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Sommartid+%C3%B6kar+risk+f%C3%B6r+hj%C3%A4rtinfarkt&amp;rft.jtitle=Dagens+Nyheter&amp;rft.aulast=Heissmann&amp;rft.aufirst=Nicole&amp;rft.au=Heissmann%2C+Nicole&amp;rft.date=29+oktober+2008&amp;rft_id=http%3A%2F%2Fwww.dn.se%2Fnyheter%2Fvetenskap%2Fsommartid-okar-risk-for-hjartinfarkt&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-30"><a href="#cite_ref-30">^</a> <span class="reference-text"><cite style="font-style:normal" class="news" id="CITEREFMelnick2011">Melnick, Meredith&#32;(12 mars 2011).&#32;<a rel="nofollow" class="external text" href="http://healthland.time.com/2011/03/12/is-daylight-saving-time-bad-for-your-health/">”Is Daylight Saving Time Bad for Your Health?”</a>.&#32;<i>TIME</i><span class="printonly">. <a rel="nofollow" class="external free" href="http://healthland.time.com/2011/03/12/is-daylight-saving-time-bad-for-your-health/">http://healthland.time.com/2011/03/12/is-daylight-saving-time-bad-for-your-health/</a></span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Is+Daylight+Saving+Time+Bad+for+Your+Health%3F&amp;rft.jtitle=TIME&amp;rft.aulast=Melnick&amp;rft.aufirst=Meredith&amp;rft.au=Melnick%2C+Meredith&amp;rft.date=12+mars+2011&amp;rft_id=http%3A%2F%2Fhealthland.time.com%2F2011%2F03%2F12%2Fis-daylight-saving-time-bad-for-your-health%2F&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> <li id="cite_note-31"><a href="#cite_ref-31">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.timeanddate.com/time/dst/spring-forward-fall-back.html">”Spring Forward or Fall Back?”</a>&#32;(på engelska). Timeanddate<span class="printonly">. <a rel="nofollow" class="external free" href="http://www.timeanddate.com/time/dst/spring-forward-fall-back.html">http://www.timeanddate.com/time/dst/spring-forward-fall-back.html</a></span><span class="reference-accessdate">.&#32;Läst 6 april 2015</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Spring+Forward+or+Fall+Back%3F&amp;rft.atitle=&amp;rft.pub=Timeanddate&amp;rft_id=http%3A%2F%2Fwww.timeanddate.com%2Ftime%2Fdst%2Fspring-forward-fall-back.html&amp;rfr_id=info:sid/en.wikipedia.org:Sommartid"><span style="display: none;">&#160;</span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Anmärkningar"><span id="Anm.C3.A4rkningar"></span>Anmärkningar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=20" title="Redigera avsnitt: Anmärkningar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=20" title="Redigera avsnitts källkod: Anmärkningar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r56657865">.mw-parser-output .fotnotslista .references{list-style-type:inherit}.mw-parser-output .skin-minerva .fotnotslista .references{list-style-type:lower-alpha}</style><div class="fotnotslista" style="list-style-type: lower-alpha;"></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sommartid&amp;veaction=edit&amp;section=21" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sommartid&amp;action=edit&amp;section=21" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.timeanddate.com/time/dst/">timeanddate.com: What is Daylight Saving Time?</a> <span style="font-size:.95em;font-weight:bold;color:var(--color-subtle, #54595d);">(engelska)</span></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=-5wpm-gesOY">Computerphile - The Problem with Time &amp; Timezones</a>. En video som beskriver vissa problem man måste tänka på när man arbetar med tidszoner, då vissa har sommartid och andra inte har det.</li></ul> <style data-mw-deduplicate="TemplateStyles:r56287950">.mw-parser-output table.navbox{border:#aaa 1px solid;width:100%;margin:auto;margin-top:1em;clear:both;font-size:88%;text-align:center;padding:1px}.mw-parser-output link+table.navbox{margin-top:-1px}.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow,.mw-parser-output table.navbox th{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output .navbox-thlinkcolor .navbox-title button,.mw-parser-output .navbox-thlinkcolor .navbox-title .mw-collapsible-text,.mw-parser-output .navbox-thlinkcolor .navbox-title a{color:inherit}.mw-parser-output .nowraplinks a,.mw-parser-output .nowraplinks .selflink{white-space:nowrap}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right;font-weight:bold;padding-left:1em;padding-right:1em}.mw-parser-output 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font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Tid" title="Mall:Tid"><span title="Visa denna mall" style="border:none;;">v</span></a>&#160;<span style="font-size:80%;">•</span>&#160;<a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Tid&amp;action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Tid" title="Tid">Tid</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;">Tidsskalor</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"><a href="/wiki/Decimaltid" title="Decimaltid">Decimaltid</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Efemerid" title="Efemerid">Efemeridtid</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Geologisk_tidsskala" title="Geologisk tidsskala">Geologisk tidsskala</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Greenwich_Mean_Time" title="Greenwich Mean Time">Greenwich Mean Time</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Internationell_atomtid" title="Internationell atomtid">Internationell atomtid</a> (TAI)<span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Koordinerad_universell_tid" title="Koordinerad universell tid">Koordinerad universell tid</a> (UTC)<span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Normaltid" title="Normaltid">Normaltid</a><span style="font-weight:bold;">&#160;· </span> <a class="mw-selflink selflink">Sommartid</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Soltid" title="Soltid">Soltid</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Tider%C3%A4kning" title="Tideräkning">Tideräkning</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/M%C3%A5nvarv" title="Månvarv">Månvarv</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Stj%C3%A4rntid" title="Stjärntid">Stjärntid</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Tidszon" title="Tidszon">Tidszon</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/V%C3%A4rldstid" class="mw-redirect" title="Världstid">Världstid</a></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="7"><span typeof="mw:File"><a href="/wiki/Fil:Wooden_hourglass_3.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/40px-Wooden_hourglass_3.jpg" decoding="async" width="40" height="81" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/60px-Wooden_hourglass_3.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/120px-Wooden_hourglass_3.jpg 2x" data-file-width="967" data-file-height="1959" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Tidm%C3%A4tning" title="Tidmätning">Tidmätning</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"><a href="/wiki/Tidm%C3%A4tningens_historia" title="Tidmätningens historia">Tidmätningens historia</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Ur" title="Ur">Ur</a>: <a href="/wiki/Armbandsur" title="Armbandsur">Armbandsur</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Atomur" title="Atomur">Atomur</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Fickur" title="Fickur">Fickur</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Kronometer" title="Kronometer">Kronometer</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Kvartsur" title="Kvartsur">Kvartsur</a><span style="font-weight:bold;">&#160;· </span> <a 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