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href="/wiki/Wikipedia:A_Taberna"><span>A Taberna</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Wikipedia:Actualidade" title="Información acerca de acontecementos de actualidade"><span>Actualidade</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Cambios_recentes" title="A lista de modificacións recentes no wiki [r]" accesskey="r"><span>Cambios recentes</span></a></li><li id="n-Artigos-de-calidade" class="mw-list-item"><a href="/wiki/Wikipedia:Artigos_de_calidade"><span>Artigos de calidade</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Especial:Ao_chou" title="Cargar unha páxina ao chou [x]" accesskey="x"><span>Páxina ao chou</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wikipedia:Axuda" title="O lugar para informarse"><span>Axuda</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portada" class="mw-logo"> <img class="mw-logo-icon" 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<span>Procura</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Procurar en Wikipedia" aria-label="Procurar en Wikipedia" autocapitalize="sentences" title="Procurar neste wiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Procurar"> </div> <button class="cdx-button cdx-search-input__end-button">Procurar</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Ferramentas persoais"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aparencia"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Cambia a aparencia do tamaño da fonte, o ancho e a cor da páxina" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aparencia" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aparencia</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_gl.wikipedia.org&uselang=gl" class=""><span>Doazóns</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crear_unha_conta&returnto=Ano+bisesto" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio" class=""><span>Crear unha conta</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Iniciar_sesi%C3%B3n&returnto=Ano+bisesto" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o" class=""><span>Acceder ao sistema</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Máis opcións" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" 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href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_gl.wikipedia.org&uselang=gl"><span>Doazóns</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Crear_unha_conta&returnto=Ano+bisesto" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Crear unha conta</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Iniciar_sesi%C3%B3n&returnto=Ano+bisesto" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Acceder ao sistema</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Páxinas para os editores sen a sesión iniciada <a href="/wiki/Axuda:Introduci%C3%B3n" aria-label="Máis información sobre a edición"><span>máis información</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:As_mi%C3%B1as_contribuci%C3%B3ns" title="Unha lista das modificacións feitas desde este enderezo IP [y]" accesskey="y"><span>Contribucións</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:A_mi%C3%B1a_conversa" title="Conversa acerca de edicións feitas desde este enderezo IP [n]" accesskey="n"><span>Conversa</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sitio"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contidos" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">agochar</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">Inicio</div> </a> </li> <li id="toc-Causa_dos_anos_bisestos" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Causa_dos_anos_bisestos"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Causa dos anos bisestos</span> </div> </a> <button aria-controls="toc-Causa_dos_anos_bisestos-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>Mostrar ou agochar a subsección "Causa dos anos bisestos"</span> </button> <ul id="toc-Causa_dos_anos_bisestos-sublist" class="vector-toc-list"> <li id="toc-Período_de_translación_terrestre" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Período_de_translación_terrestre"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Período de translación terrestre</span> </div> </a> <ul id="toc-Período_de_translación_terrestre-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Razóns_para_corrixir_o_desfasamento" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Razóns_para_corrixir_o_desfasamento"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Razóns para corrixir o desfasamento</span> </div> </a> <ul id="toc-Razóns_para_corrixir_o_desfasamento-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Como_saber_se_un_ano_é_bisesto" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Como_saber_se_un_ano_é_bisesto"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Como saber se un ano é bisesto</span> </div> </a> <ul id="toc-Como_saber_se_un_ano_é_bisesto-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Historia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historia"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Historia</span> </div> </a> <button aria-controls="toc-Historia-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>Mostrar ou agochar a subsección "Historia"</span> </button> <ul id="toc-Historia-sublist" class="vector-toc-list"> <li id="toc-Calendario_xuliano" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Calendario_xuliano"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Calendario xuliano</span> </div> </a> <ul id="toc-Calendario_xuliano-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Calendario_gregoriano" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Calendario_gregoriano"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Calendario gregoriano</span> </div> </a> <ul id="toc-Calendario_gregoriano-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-A_orixe_do_nome_bisesto" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#A_orixe_do_nome_bisesto"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>A orixe do nome <i>bisesto</i></span> </div> </a> <ul id="toc-A_orixe_do_nome_bisesto-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Alternativas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Alternativas"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Alternativas</span> </div> </a> <ul id="toc-Alternativas-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Véxase_tamén" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Véxase_tamén"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Véxase tamén</span> </div> </a> <button aria-controls="toc-Véxase_tamén-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>Mostrar ou agochar a subsección "Véxase tamén"</span> </button> <ul id="toc-Véxase_tamén-sublist" class="vector-toc-list"> <li id="toc-Ligazóns_externas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ligazóns_externas"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Ligazóns externas</span> </div> </a> <ul id="toc-Ligazóns_externas-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contidos" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostrar ou agochar a táboa de contidos" > <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">Mostrar ou agochar a táboa de contidos</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">Ano bisesto</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="Ir a un artigo noutra lingua. Dispoñible en 159 linguas" > <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-159" 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">159 linguas</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/Skrikkeljaar" title="Skrikkeljaar – afrikaans" lang="af" hreflang="af" data-title="Skrikkeljaar" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Schaltjahr" title="Schaltjahr – alemán suízo" lang="gsw" hreflang="gsw" data-title="Schaltjahr" data-language-autonym="Alemannisch" data-language-local-name="alemán suízo" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ang mw-list-item"><a href="https://ang.wikipedia.org/wiki/Bises" title="Bises – inglês antigo" lang="ang" hreflang="ang" data-title="Bises" data-language-autonym="Ænglisc" data-language-local-name="inglês antigo" class="interlanguage-link-target"><span>Ænglisc</span></a></li><li class="interlanguage-link interwiki-ann mw-list-item"><a href="https://ann.wikipedia.org/wiki/Acha_ile" title="Acha ile – obolo" lang="ann" hreflang="ann" data-title="Acha ile" data-language-autonym="Obolo" data-language-local-name="obolo" class="interlanguage-link-target"><span>Obolo</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%86%D8%A9_%D9%83%D8%A8%D9%8A%D8%B3%D8%A9" title="سنة كبيسة – árabe" lang="ar" hreflang="ar" data-title="سنة كبيسة" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arc mw-list-item"><a href="https://arc.wikipedia.org/wiki/%DC%AB%DC%A2%DC%AC%DC%90_%DC%9F%DC%92%DC%9D%DC%AB%DC%AC%DC%90" title="ܫܢܬܐ ܟܒܝܫܬܐ – arameo" lang="arc" hreflang="arc" data-title="ܫܢܬܐ ܟܒܝܫܬܐ" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="arameo" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B9%D8%A7%D9%85_%D9%85%D9%83%D8%A8%D8%B3" title="عام مكبس – Moroccan Arabic" lang="ary" hreflang="ary" data-title="عام مكبس" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B3%D9%86%D9%87_%D9%83%D8%A8%D9%8A%D8%B3%D9%87" title="سنه كبيسه – Egyptian Arabic" lang="arz" hreflang="arz" data-title="سنه كبيسه" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%85%E0%A6%A7%E0%A6%BF%E0%A6%AC%E0%A7%B0%E0%A7%8D%E0%A6%B7" title="অধিবৰ্ষ – assamés" lang="as" hreflang="as" data-title="অধিবৰ্ষ" data-language-autonym="অসমীয়া" data-language-local-name="assamés" 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/A%C3%B1u_bisiestu" title="Añu bisiestu – asturiano" lang="ast" hreflang="ast" data-title="Añu bisiestu" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-av mw-list-item"><a href="https://av.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%BD%D0%B8%D1%8F%D0%B1_%D1%81%D0%BE%D0%BD" title="Високоснияб сон – avar" lang="av" hreflang="av" data-title="Високоснияб сон" data-language-autonym="Авар" data-language-local-name="avar" 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/Uzun_il" title="Uzun il – acerbaixano" lang="az" hreflang="az" data-title="Uzun il" data-language-autonym="Azərbaycanca" data-language-local-name="acerbaixano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9A%D3%99%D0%B1%D0%B8%D1%81%D3%99_%D0%B9%D1%8B%D0%BB" title="Кәбисә йыл – baxkir" lang="ba" hreflang="ba" data-title="Кәбисә йыл" data-language-autonym="Башҡортса" data-language-local-name="baxkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Schoitjoa" title="Schoitjoa – Bavarian" lang="bar" hreflang="bar" data-title="Schoitjoa" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Kelam%C4%97%CC%84j%C4%97_met%C4%81" title="Kelamė̄jė metā – Samogitian" lang="sgs" hreflang="sgs" data-title="Kelamė̄jė metā" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%92%D1%8B%D1%81%D0%B0%D0%BA%D0%BE%D1%81%D0%BD%D1%8B_%D0%B3%D0%BE%D0%B4" title="Высакосны год – belaruso" lang="be" hreflang="be" data-title="Высакосны год" data-language-autonym="Беларуская" data-language-local-name="belaruso" 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%92%D1%8B%D1%81%D0%B0%D0%BA%D0%BE%D1%81%D0%BD%D1%8B_%D0%B3%D0%BE%D0%B4" title="Высакосны год – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Высакосны год" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%BD%D0%B0_%D0%B3%D0%BE%D0%B4%D0%B8%D0%BD%D0%B0" title="Високосна година – búlgaro" lang="bg" hreflang="bg" data-title="Високосна година" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%85%E0%A4%A7%E0%A4%BF%E0%A4%AC%E0%A4%B0%E0%A4%BF%E0%A4%B8" title="अधिबरिस – Bhojpuri" lang="bh" hreflang="bh" data-title="अधिबरिस" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bjn mw-list-item"><a href="https://bjn.wikipedia.org/wiki/Tahun_kabisat" title="Tahun kabisat – Banjar" lang="bjn" hreflang="bjn" data-title="Tahun kabisat" data-language-autonym="Banjar" data-language-local-name="Banjar" class="interlanguage-link-target"><span>Banjar</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%85%E0%A6%A7%E0%A6%BF%E0%A6%AC%E0%A6%B0%E0%A7%8D%E0%A6%B7" title="অধিবর্ষ – bengalí" lang="bn" hreflang="bn" data-title="অধিবর্ষ" data-language-autonym="বাংলা" data-language-local-name="bengalí" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Bloavezh_bizeost" title="Bloavezh bizeost – bretón" lang="br" hreflang="br" data-title="Bloavezh bizeost" data-language-autonym="Brezhoneg" data-language-local-name="bretón" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Prestupna_godina" title="Prestupna godina – bosníaco" lang="bs" hreflang="bs" data-title="Prestupna godina" data-language-autonym="Bosanski" data-language-local-name="bosníaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-btm mw-list-item"><a href="https://btm.wikipedia.org/wiki/Taon_kabisat" title="Taon kabisat – Batak Mandailing" lang="btm" hreflang="btm" data-title="Taon kabisat" data-language-autonym="Batak Mandailing" data-language-local-name="Batak Mandailing" class="interlanguage-link-target"><span>Batak Mandailing</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Any_de_trasp%C3%A0s" title="Any de traspàs – catalán" lang="ca" hreflang="ca" data-title="Any de traspàs" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/N%C3%B4ng-ni%C3%A8ng" title="Nông-nièng – Mindong" lang="cdo" hreflang="cdo" data-title="Nông-nièng" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%B0%D0%BD_%D1%88%D0%BE" title="Високосан шо – checheno" lang="ce" hreflang="ce" data-title="Високосан шо" data-language-autonym="Нохчийн" data-language-local-name="checheno" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B3%D8%A7%DA%B5%DB%8C_%D9%BE%DA%95" title="ساڵی پڕ – kurdo central" lang="ckb" hreflang="ckb" data-title="ساڵی پڕ" data-language-autonym="کوردی" data-language-local-name="kurdo central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Annata_bisesta" title="Annata bisesta – corso" lang="co" hreflang="co" data-title="Annata bisesta" data-language-autonym="Corsu" data-language-local-name="corso" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/P%C5%99estupn%C3%BD_rok" title="Přestupný rok – checo" lang="cs" hreflang="cs" data-title="Přestupný rok" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A2%C4%95%D0%BA%D0%B5%D0%BB_%C3%A7%D1%83%D0%BB%D1%82%D0%B0%D0%BB%C4%83%D0%BA" title="Тĕкел çулталăк – chuvaxo" lang="cv" hreflang="cv" data-title="Тĕкел çулталăк" data-language-autonym="Чӑвашла" data-language-local-name="chuvaxo" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Blwyddyn_naid" title="Blwyddyn naid – galés" lang="cy" hreflang="cy" data-title="Blwyddyn naid" data-language-autonym="Cymraeg" data-language-local-name="galés" 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/Skud%C3%A5r" title="Skudår – dinamarqués" lang="da" hreflang="da" data-title="Skudår" data-language-autonym="Dansk" data-language-local-name="dinamarqués" 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/Schaltjahr" title="Schaltjahr – alemán" lang="de" hreflang="de" data-title="Schaltjahr" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dsb mw-list-item"><a href="https://dsb.wikipedia.org/wiki/P%C5%9Bestupne_l%C4%9Bto" title="Pśestupne lěto – baixo sorbio" lang="dsb" hreflang="dsb" data-title="Pśestupne lěto" data-language-autonym="Dolnoserbski" data-language-local-name="baixo sorbio" class="interlanguage-link-target"><span>Dolnoserbski</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%94%CE%AF%CF%83%CE%B5%CE%BA%CF%84%CE%BF_%CE%AD%CF%84%CE%BF%CF%82" title="Δίσεκτο έτος – grego" lang="el" hreflang="el" data-title="Δίσεκτο έτος" data-language-autonym="Ελληνικά" data-language-local-name="grego" 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/Leap_year" title="Leap year – inglés" lang="en" hreflang="en" data-title="Leap year" data-language-autonym="English" data-language-local-name="inglés" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Superjaro" title="Superjaro – esperanto" lang="eo" hreflang="eo" data-title="Superjaro" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/A%C3%B1o_bisiesto" title="Año bisiesto – español" lang="es" hreflang="es" data-title="Año bisiesto" data-language-autonym="Español" data-language-local-name="español" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Liigaasta" title="Liigaasta – estoniano" lang="et" hreflang="et" data-title="Liigaasta" data-language-autonym="Eesti" data-language-local-name="estoniano" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bisurte" title="Bisurte – éuscaro" lang="eu" hreflang="eu" data-title="Bisurte" data-language-autonym="Euskara" data-language-local-name="éuscaro" 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%D9%84_%DA%A9%D8%A8%DB%8C%D8%B3%D9%87" title="سال کبیسه – persa" lang="fa" hreflang="fa" data-title="سال کبیسه" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Karkausvuosi" title="Karkausvuosi – finés" lang="fi" hreflang="fi" data-title="Karkausvuosi" data-language-autonym="Suomi" data-language-local-name="finés" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Liigaastak" title="Liigaastak – Võro" lang="vro" hreflang="vro" data-title="Liigaastak" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Rika_yabaki" title="Rika yabaki – fixiano" lang="fj" hreflang="fj" data-title="Rika yabaki" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="fixiano" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Leyp%C3%A1r" title="Leypár – feroés" lang="fo" hreflang="fo" data-title="Leypár" data-language-autonym="Føroyskt" data-language-local-name="feroés" 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/Ann%C3%A9e_bissextile" title="Année bissextile – francés" lang="fr" hreflang="fr" data-title="Année bissextile" data-language-autonym="Français" data-language-local-name="francés" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Skregeljuar" title="Skregeljuar – frisón setentrional" lang="frr" hreflang="frr" data-title="Skregeljuar" data-language-autonym="Nordfriisk" data-language-local-name="frisón setentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/An_bisest" title="An bisest – friulano" lang="fur" hreflang="fur" data-title="An bisest" data-language-autonym="Furlan" data-language-local-name="friulano" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Skrikkeljier" title="Skrikkeljier – frisón occidental" lang="fy" hreflang="fy" data-title="Skrikkeljier" data-language-autonym="Frysk" data-language-local-name="frisón occidental" 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/Bliain_bhisigh" title="Bliain bhisigh – irlandés" lang="ga" hreflang="ga" data-title="Bliain bhisigh" data-language-autonym="Gaeilge" data-language-local-name="irlandés" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%96%8F%E5%B9%B4" title="閏年 – Gan" lang="gan" hreflang="gan" data-title="閏年" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Bliadhna-leum" title="Bliadhna-leum – gaélico escocés" lang="gd" hreflang="gd" data-title="Bliadhna-leum" data-language-autonym="Gàidhlig" data-language-local-name="gaélico escocés" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B2%E0%AA%BF%E0%AA%AA_%E0%AA%B5%E0%AA%B0%E0%AB%8D%E0%AA%B7" title="લિપ વર્ષ – guxarati" lang="gu" hreflang="gu" data-title="લિપ વર્ષ" data-language-autonym="ગુજરાતી" data-language-local-name="guxarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Yun-ngi%C3%A8n" title="Yun-ngièn – Hakka Chinese" lang="hak" hreflang="hak" data-title="Yun-ngièn" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A9%D7%A0%D7%94_%D7%9E%D7%A2%D7%95%D7%91%D7%A8%D7%AA" title="שנה מעוברת – hebreo" lang="he" hreflang="he" data-title="שנה מעוברת" data-language-autonym="עברית" data-language-local-name="hebreo" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%85%E0%A4%A7%E0%A4%BF%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7" title="अधिवर्ष – hindi" lang="hi" hreflang="hi" data-title="अधिवर्ष" 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/Prijestupna_godina" title="Prijestupna godina – croata" lang="hr" hreflang="hr" data-title="Prijestupna godina" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/P%C5%99estupne_l%C4%9Bto" title="Přestupne lěto – alto sorbio" lang="hsb" hreflang="hsb" data-title="Přestupne lěto" data-language-autonym="Hornjoserbsce" data-language-local-name="alto sorbio" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Bisektil" title="Bisektil – crioulo haitiano" lang="ht" hreflang="ht" data-title="Bisektil" data-language-autonym="Kreyòl ayisyen" data-language-local-name="crioulo haitiano" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Sz%C3%B6k%C5%91%C3%A9v" title="Szökőév – húngaro" lang="hu" hreflang="hu" data-title="Szökőév" data-language-autonym="Magyar" data-language-local-name="húngaro" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%86%D5%A1%D5%B0%D5%A1%D5%B6%D5%BB_%D5%BF%D5%A1%D6%80%D5%AB" title="Նահանջ տարի – armenio" lang="hy" hreflang="hy" data-title="Նահանջ տարի" data-language-autonym="Հայերեն" data-language-local-name="armenio" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%86%D5%A1%D5%B0%D5%A1%D5%B6%D5%BB_%D5%8F%D5%A1%D6%80%D5%AB" title="Նահանջ Տարի – Western Armenian" lang="hyw" hreflang="hyw" data-title="Նահանջ Տարի" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Anno_bissextil" title="Anno bissextil – interlingua" lang="ia" hreflang="ia" data-title="Anno bissextil" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tahun_kabisat" title="Tahun kabisat – indonesio" lang="id" hreflang="id" data-title="Tahun kabisat" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesio" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Bisiesto_a_tawen" title="Bisiesto a tawen – ilocano" lang="ilo" hreflang="ilo" data-title="Bisiesto a tawen" data-language-autonym="Ilokano" data-language-local-name="ilocano" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%BD%D0%B8_%D1%88%D1%83" title="Високосни шу – inguxo" lang="inh" hreflang="inh" data-title="Високосни шу" data-language-autonym="ГӀалгӀай" data-language-local-name="inguxo" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Bisextila_yaro" title="Bisextila yaro – ido" lang="io" hreflang="io" data-title="Bisextila yaro" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Hlaup%C3%A1r" title="Hlaupár – islandés" lang="is" hreflang="is" data-title="Hlaupár" data-language-autonym="Íslenska" data-language-local-name="islandés" 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/Anno_bisestile" title="Anno bisestile – italiano" lang="it" hreflang="it" data-title="Anno bisestile" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%96%8F%E5%B9%B4" title="閏年 – xaponés" lang="ja" hreflang="ja" data-title="閏年" data-language-autonym="日本語" data-language-local-name="xaponés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Taun_wuntu" title="Taun wuntu – xavanés" lang="jv" hreflang="jv" data-title="Taun wuntu" data-language-autonym="Jawa" data-language-local-name="xavanés" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9C%E1%83%90%E1%83%99%E1%83%98%E1%83%90%E1%83%9C%E1%83%98_%E1%83%AC%E1%83%94%E1%83%9A%E1%83%98%E1%83%AC%E1%83%90%E1%83%93%E1%83%98" title="ნაკიანი წელიწადი – xeorxiano" lang="ka" hreflang="ka" data-title="ნაკიანი წელიწადი" data-language-autonym="ქართული" data-language-local-name="xeorxiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/Kabisa_j%C4%B1l%C4%B1" title="Kabisa jılı – Kara-Kalpak" lang="kaa" hreflang="kaa" data-title="Kabisa jılı" data-language-autonym="Qaraqalpaqsha" data-language-local-name="Kara-Kalpak" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Aseggas_amana%E1%BA%93" title="Aseggas amanaẓ – cabila" lang="kab" hreflang="kab" data-title="Aseggas amanaẓ" data-language-autonym="Taqbaylit" data-language-local-name="cabila" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Nab%CA%8Al%C9%9B_%C9%96eyi_%C9%96eyi_t%C9%9By%CA%8A_p%C9%A9na%C9%A3" title="Nabʊlɛ ɖeyi ɖeyi tɛyʊ pɩnaɣ – Kabiye" lang="kbp" hreflang="kbp" data-title="Nabʊlɛ ɖeyi ɖeyi tɛyʊ pɩnaɣ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D1%96%D0%B1%D1%96%D1%81%D0%B5_%D0%B6%D1%8B%D0%BB%D1%8B" title="Кібісе жылы – kazako" lang="kk" hreflang="kk" data-title="Кібісе жылы" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kl mw-list-item"><a href="https://kl.wikipedia.org/wiki/Ukioq_ilassutilik" title="Ukioq ilassutilik – kalaallisut" lang="kl" hreflang="kl" data-title="Ukioq ilassutilik" data-language-autonym="Kalaallisut" data-language-local-name="kalaallisut" class="interlanguage-link-target"><span>Kalaallisut</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%85%E0%B2%A7%E0%B2%BF%E0%B2%95_%E0%B2%B5%E0%B2%B0%E0%B3%8D%E0%B2%B7" title="ಅಧಿಕ ವರ್ಷ – kannará" lang="kn" hreflang="kn" data-title="ಅಧಿಕ ವರ್ಷ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannará" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%A4%EB%85%84" title="윤년 – coreano" lang="ko" hreflang="ko" data-title="윤년" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D9%84%DB%8C%D9%BE_%D8%A4%D8%B1%DB%8C" title="لیپ ؤری – caxemirés" lang="ks" hreflang="ks" data-title="لیپ ؤری" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="caxemirés" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Schalldtjoohr" title="Schalldtjoohr – kölsch" lang="ksh" hreflang="ksh" data-title="Schalldtjoohr" data-language-autonym="Ripoarisch" data-language-local-name="kölsch" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Sala_du%C5%9Fe%C5%9F%C3%AE" title="Sala duşeşî – kurdo" lang="ku" hreflang="ku" data-title="Sala duşeşî" data-language-autonym="Kurdî" data-language-local-name="kurdo" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9A%D0%B0%D1%81%D1%81%D1%8F%D0%BD%D0%B0_%D0%B2%D0%BE" title="Кассяна во – komi" lang="kv" hreflang="kv" data-title="Кассяна во" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Bledhen_lamm" title="Bledhen lamm – córnico" lang="kw" hreflang="kw" data-title="Bledhen lamm" data-language-autonym="Kernowek" data-language-local-name="córnico" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Annus_intercalarius" title="Annus intercalarius – latín" lang="la" hreflang="la" data-title="Annus intercalarius" data-language-autonym="Latina" data-language-local-name="latín" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Schaltjoer" title="Schaltjoer – luxemburgués" lang="lb" hreflang="lb" data-title="Schaltjoer" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgués" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%AF%D1%80%D0%B3%D1%8A%D0%B8_%D0%B9%D0%B8%D1%81" title="Яргъи йис – lezguio" lang="lez" hreflang="lez" data-title="Яргъи йис" data-language-autonym="Лезги" data-language-local-name="lezguio" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Sjrikkeljaor" title="Sjrikkeljaor – limburgués" lang="li" hreflang="li" data-title="Sjrikkeljaor" data-language-autonym="Limburgs" data-language-local-name="limburgués" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/%C3%80nno_bizest%C3%AEle" title="Ànno bizestîle – Ligurian" lang="lij" hreflang="lij" data-title="Ànno bizestîle" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Keliamieji_metai" title="Keliamieji metai – lituano" lang="lt" hreflang="lt" data-title="Keliamieji metai" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Garais_gads" title="Garais gads – letón" lang="lv" hreflang="lv" data-title="Garais gads" data-language-autonym="Latviešu" data-language-local-name="letón" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mai mw-list-item"><a href="https://mai.wikipedia.org/wiki/%E0%A4%85%E0%A4%A7%E0%A4%BF%E0%A4%95_%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7" title="अधिक वर्ष – maithili" lang="mai" hreflang="mai" data-title="अधिक वर्ष" data-language-autonym="मैथिली" data-language-local-name="maithili" class="interlanguage-link-target"><span>मैथिली</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Tau_pekerangi" title="Tau pekerangi – maorí" lang="mi" hreflang="mi" data-title="Tau pekerangi" data-language-autonym="Māori" data-language-local-name="maorí" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B5%D1%81%D1%82%D0%B0%D0%BF%D0%BD%D0%B0_%D0%B3%D0%BE%D0%B4%D0%B8%D0%BD%D0%B0" title="Престапна година – macedonio" lang="mk" hreflang="mk" data-title="Престапна година" data-language-autonym="Македонски" data-language-local-name="macedonio" 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%85%E0%B4%A7%E0%B4%BF%E0%B4%B5%E0%B5%BC%E0%B4%B7%E0%B4%82" title="അധിവർഷം – malabar" lang="ml" hreflang="ml" data-title="അധിവർഷം" data-language-autonym="മലയാളം" data-language-local-name="malabar" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D3%A8%D0%BD%D0%B4%D3%A9%D1%80_%D0%B6%D0%B8%D0%BB" title="Өндөр жил – mongol" lang="mn" hreflang="mn" data-title="Өндөр жил" data-language-autonym="Монгол" data-language-local-name="mongol" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B2%E0%A5%80%E0%A4%AA_%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7" title="लीप वर्ष – marathi" lang="mr" hreflang="mr" data-title="लीप वर्ष" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tahun_lompat" title="Tahun lompat – malaio" lang="ms" hreflang="ms" data-title="Tahun lompat" data-language-autonym="Bahasa Melayu" data-language-local-name="malaio" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9B%E1%80%80%E1%80%BA%E1%80%91%E1%80%95%E1%80%BA%E1%80%94%E1%80%BE%E1%80%85%E1%80%BA" title="ရက်ထပ်နှစ် – birmano" lang="my" hreflang="my" data-title="ရက်ထပ်နှစ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmano" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%DA%A9%D8%A8%DB%8C%D8%B3%D9%87" title="کبیسه – mazandaraní" lang="mzn" hreflang="mzn" data-title="کبیسه" data-language-autonym="مازِرونی" data-language-local-name="mazandaraní" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Hu%C4%93ytla%C5%8Dntic_xihuitl" title="Huēytlaōntic xihuitl – Nahuatl" lang="nah" hreflang="nah" data-title="Huēytlaōntic xihuitl" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Schaltjohr" title="Schaltjohr – baixo alemán" lang="nds" hreflang="nds" data-title="Schaltjohr" data-language-autonym="Plattdüütsch" data-language-local-name="baixo alemán" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%85%E0%A4%A7%E0%A4%BF%E0%A4%95_%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7" title="अधिक वर्ष – nepalí" lang="ne" hreflang="ne" data-title="अधिक वर्ष" data-language-autonym="नेपाली" data-language-local-name="nepalí" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Schrikkeljaar" title="Schrikkeljaar – neerlandés" lang="nl" hreflang="nl" data-title="Schrikkeljaar" data-language-autonym="Nederlands" data-language-local-name="neerlandés" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Skot%C3%A5r" title="Skotår – noruegués nynorsk" lang="nn" hreflang="nn" data-title="Skotår" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegués nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Skudd%C3%A5r" title="Skuddår – noruegués bokmål" lang="nb" hreflang="nb" data-title="Skuddår" data-language-autonym="Norsk bokmål" data-language-local-name="noruegués bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nso mw-list-item"><a href="https://nso.wikipedia.org/wiki/Ngwagamolele" title="Ngwagamolele – sesotho do norte" lang="nso" hreflang="nso" data-title="Ngwagamolele" data-language-autonym="Sesotho sa Leboa" data-language-local-name="sesotho do norte" class="interlanguage-link-target"><span>Sesotho sa Leboa</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Annada_bissextila" title="Annada bissextila – occitano" lang="oc" hreflang="oc" data-title="Annada bissextila" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B2%E0%A9%80%E0%A8%AA_%E0%A8%B8%E0%A8%BE%E0%A8%B2" title="ਲੀਪ ਸਾਲ – panxabí" lang="pa" hreflang="pa" data-title="ਲੀਪ ਸਾਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panxabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pap mw-list-item"><a href="https://pap.wikipedia.org/wiki/Schrikkeljaar" title="Schrikkeljaar – papiamento" lang="pap" hreflang="pap" data-title="Schrikkeljaar" data-language-autonym="Papiamentu" data-language-local-name="papiamento" class="interlanguage-link-target"><span>Papiamentu</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Rok_przest%C4%99pny" title="Rok przestępny – polaco" lang="pl" hreflang="pl" data-title="Rok przestępny" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%84%DB%8C%D9%BE_%D9%88%D8%B1%DA%BE%D8%A7" title="لیپ ورھا – Western Punjabi" lang="pnb" hreflang="pnb" data-title="لیپ ورھا" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ano_bissexto" title="Ano bissexto – portugués" lang="pt" hreflang="pt" data-title="Ano bissexto" data-language-autonym="Português" data-language-local-name="portugués" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Wakllanwata" title="Wakllanwata – quechua" lang="qu" hreflang="qu" data-title="Wakllanwata" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/An_bisect" title="An bisect – romanés" lang="ro" hreflang="ro" data-title="An bisect" data-language-autonym="Română" data-language-local-name="romanés" 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%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%BD%D1%8B%D0%B9_%D0%B3%D0%BE%D0%B4" title="Високосный год – ruso" lang="ru" hreflang="ru" data-title="Високосный год" data-language-autonym="Русский" data-language-local-name="ruso" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B5%D1%81%D1%82%D1%83%D0%BF%D0%BD%D1%8B%D0%B9_%D1%80%D1%96%D0%BA" title="Переступный рік – Rusyn" lang="rue" hreflang="rue" data-title="Переступный рік" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%85%E0%A4%A7%E0%A4%BF%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%B7%E0%A4%AE%E0%A5%8D" title="अधिवर्षम् – sánscrito" lang="sa" hreflang="sa" data-title="अधिवर्षम्" data-language-autonym="संस्कृतम्" data-language-local-name="sánscrito" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9E%D1%80%D0%B4%D1%83%D0%BA_%D1%85%D0%BE%D0%BD%D1%83%D0%BA%D1%82%D0%B0%D0%B0%D1%85_%D1%81%D1%8B%D0%BB" title="Ордук хонуктаах сыл – iacuto" lang="sah" hreflang="sah" data-title="Ордук хонуктаах сыл" data-language-autonym="Саха тыла" data-language-local-name="iacuto" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D9%84%D9%8A%D9%BE_%D8%B3%D8%A7%D9%84" title="ليپ سال – sindhi" lang="sd" hreflang="sd" data-title="ليپ سال" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/G%C3%A1rg%C3%A1dusjahki" title="Gárgádusjahki – saami setentrional" lang="se" hreflang="se" data-title="Gárgádusjahki" data-language-autonym="Davvisámegiella" data-language-local-name="saami setentrional" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Prijestupna_godina" title="Prijestupna godina – serbocroata" lang="sh" hreflang="sh" data-title="Prijestupna godina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbocroata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%85%E0%B6%B0%E0%B7%92%E0%B6%9A_%E0%B6%85%E0%B7%80%E0%B7%94%E0%B6%BB%E0%B7%94%E0%B6%AF%E0%B7%8A%E0%B6%AF" title="අධික අවුරුද්ද – cingalés" lang="si" hreflang="si" data-title="අධික අවුරුද්ද" data-language-autonym="සිංහල" data-language-local-name="cingalés" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Leap_year" title="Leap year – Simple English" lang="en-simple" hreflang="en-simple" data-title="Leap year" 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/Priestupn%C3%BD_rok" title="Priestupný rok – eslovaco" lang="sk" hreflang="sk" data-title="Priestupný rok" data-language-autonym="Slovenčina" data-language-local-name="eslovaco" 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/Prestopno_leto" title="Prestopno leto – esloveno" lang="sl" hreflang="sl" data-title="Prestopno leto" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sm mw-list-item"><a href="https://sm.wikipedia.org/wiki/Puna_ifo_tausaga" title="Puna ifo tausaga – samoano" lang="sm" hreflang="sm" data-title="Puna ifo tausaga" data-language-autonym="Gagana Samoa" data-language-local-name="samoano" class="interlanguage-link-target"><span>Gagana Samoa</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/K%C3%A1rg%C3%A1mihe" title="Kárgámihe – saami de Inari" lang="smn" hreflang="smn" data-title="Kárgámihe" data-language-autonym="Anarâškielâ" data-language-local-name="saami de Inari" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Gore_remucharikwa" title="Gore remucharikwa – shona" lang="sn" hreflang="sn" data-title="Gore remucharikwa" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Sanad_Maalin_Dheer" title="Sanad Maalin Dheer – somalí" lang="so" hreflang="so" data-title="Sanad Maalin Dheer" data-language-autonym="Soomaaliga" data-language-local-name="somalí" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Viti_i_brisht%C3%AB" title="Viti i brishtë – albanés" lang="sq" hreflang="sq" data-title="Viti i brishtë" data-language-autonym="Shqip" data-language-local-name="albanés" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D1%80%D0%B5%D1%81%D1%82%D1%83%D0%BF%D0%BD%D0%B0_%D0%B3%D0%BE%D0%B4%D0%B8%D0%BD%D0%B0" title="Преступна година – serbio" lang="sr" hreflang="sr" data-title="Преступна година" data-language-autonym="Српски / srpski" data-language-local-name="serbio" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Taun_kabisat" title="Taun kabisat – sundanés" lang="su" hreflang="su" data-title="Taun kabisat" data-language-autonym="Sunda" data-language-local-name="sundanés" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Skott%C3%A5r" title="Skottår – sueco" lang="sv" hreflang="sv" data-title="Skottår" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%86%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BE%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AF%81" title="நெட்டாண்டு – támil" lang="ta" hreflang="ta" data-title="நெட்டாண்டு" data-language-autonym="தமிழ்" data-language-local-name="támil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B2%E0%B1%80%E0%B0%AA%E0%B1%81_%E0%B0%B8%E0%B0%82%E0%B0%B5%E0%B0%A4%E0%B1%8D%E0%B0%B8%E0%B0%B0%E0%B0%82" title="లీపు సంవత్సరం – telugu" lang="te" hreflang="te" data-title="లీపు సంవత్సరం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A1%D0%BE%D0%BB%D0%B8_%D0%BA%D0%B0%D0%B1%D0%B8%D1%81%D0%B0" title="Соли кабиса – taxico" lang="tg" hreflang="tg" data-title="Соли кабиса" data-language-autonym="Тоҷикӣ" data-language-local-name="taxico" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9B%E0%B8%B5%E0%B8%AD%E0%B8%98%E0%B8%B4%E0%B8%81%E0%B8%AA%E0%B8%B8%E0%B8%A3%E0%B8%97%E0%B8%B4%E0%B8%99" title="ปีอธิกสุรทิน – tailandés" lang="th" hreflang="th" data-title="ปีอธิกสุรทิน" data-language-autonym="ไทย" data-language-local-name="tailandés" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Taong_bisyesto" title="Taong bisyesto – tagalo" lang="tl" hreflang="tl" data-title="Taong bisyesto" data-language-autonym="Tagalog" data-language-local-name="tagalo" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Art%C4%B1k_y%C4%B1l" title="Artık yıl – turco" lang="tr" hreflang="tr" data-title="Artık yıl" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9A%D3%99%D0%B1%D0%B8%D1%81%D3%99_%D0%B5%D0%BB" title="Кәбисә ел – tártaro" lang="tt" hreflang="tt" data-title="Кәбисә ел" data-language-autonym="Татарча / tatarça" data-language-local-name="tártaro" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%83%DB%95%D8%A8%D9%89%D8%B3%DB%95_%D9%8A%D9%89%D9%84%D9%89" title="كەبىسە يىلى – uigur" lang="ug" hreflang="ug" data-title="كەبىسە يىلى" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uigur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D0%BE%D0%BA%D0%BE%D1%81%D0%BD%D0%B8%D0%B9_%D1%80%D1%96%D0%BA" title="Високосний рік – ucraíno" lang="uk" hreflang="uk" data-title="Високосний рік" data-language-autonym="Українська" data-language-local-name="ucraíno" 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/%D9%84%DB%8C%D9%BE_%D8%B3%D8%A7%D9%84" title="لیپ سال – urdú" lang="ur" hreflang="ur" data-title="لیپ سال" data-language-autonym="اردو" data-language-local-name="urdú" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kabisa_yili" title="Kabisa yili – uzbeko" lang="uz" hreflang="uz" data-title="Kabisa yili" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeko" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Ano_bizesto" title="Ano bizesto – Venetian" lang="vec" hreflang="vec" data-title="Ano bizesto" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/N%C4%83m_nhu%E1%BA%ADn" title="Năm nhuận – vietnamita" lang="vi" hreflang="vi" data-title="Năm nhuận" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/An%C3%AAye_bizete" title="Anêye bizete – valón" lang="wa" hreflang="wa" data-title="Anêye bizete" data-language-autonym="Walon" data-language-local-name="valón" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Tuig_bisyesto" title="Tuig bisyesto – waray-waray" lang="war" hreflang="war" data-title="Tuig bisyesto" data-language-autonym="Winaray" data-language-local-name="waray-waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%97%B0%E5%B9%B4" title="闰年 – chinés wu" lang="wuu" hreflang="wuu" data-title="闰年" data-language-autonym="吴语" data-language-local-name="chinés wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BC%D1%81%D3%99%D0%BD_%D2%97%D0%B8%D0%BB" title="Немсән җил – calmuco" lang="xal" hreflang="xal" data-title="Немсән җил" data-language-autonym="Хальмг" data-language-local-name="calmuco" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9C%E1%83%90%E1%83%A0%E1%83%99%E1%83%98_%E1%83%AC%E1%83%90%E1%83%9C%E1%83%9B%E1%83%9D%E1%83%AC%E1%83%90%E1%83%9C%E1%83%90" title="ნარკი წანმოწანა – Mingrelian" lang="xmf" hreflang="xmf" data-title="ნარკი წანმოწანა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A2%D7%99%D7%91%D7%95%D7%A8_%D7%99%D7%90%D7%A8" title="עיבור יאר – yiddish" lang="yi" hreflang="yi" data-title="עיבור יאר" data-language-autonym="ייִדיש" data-language-local-name="yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/%E1%BB%8Cd%C3%BAn_T%C3%B3d%E1%BB%8D%CC%81gba" title="Ọdún Tódọ́gba – ioruba" lang="yo" hreflang="yo" data-title="Ọdún Tódọ́gba" data-language-autonym="Yorùbá" data-language-local-name="ioruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Bi%27nyinh" title="Bi'nyinh – Zhuang" lang="za" hreflang="za" data-title="Bi'nyinh" data-language-autonym="Vahcuengh" data-language-local-name="Zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%97%B0%E5%B9%B4" title="闰年 – chinés" lang="zh" hreflang="zh" data-title="闰年" data-language-autonym="中文" data-language-local-name="chinés" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/L%C5%ABn-n%C3%AE" title="Lūn-nî – Minnan" lang="nan" hreflang="nan" data-title="Lūn-nî" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%96%8F%E5%B9%B4" title="閏年 – cantonés" lang="yue" hreflang="yue" data-title="閏年" data-language-autonym="粵語" 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conectado no repositorio de datos [g]" accesskey="g"><span>Elemento de Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Ferramentas das páxinas"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aparencia"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aparencia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">agochar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Na Galipedia, a Wikipedia en galego.</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="gl" dir="ltr"><div class="dablink">Para outras páxinas con títulos homónimos véxase: <a href="/wiki/Ano" class="mw-disambig" title="Ano">Ano</a>.</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Calendar-leapyeardate.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Calendar-leapyeardate.jpg/220px-Calendar-leapyeardate.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Calendar-leapyeardate.jpg/330px-Calendar-leapyeardate.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Calendar-leapyeardate.jpg/440px-Calendar-leapyeardate.jpg 2x" data-file-width="3600" data-file-height="2400" /></a><figcaption>Calendario de peto sueco de 2008 no que, por ser bisesto, figura un 29 de febreiro.</figcaption></figure> <p>O <b>ano bisesto</b> é aquel que posúe un día a máis cós anos comúns. O obxectivo é manter o <a href="/wiki/Calendario" title="Calendario">calendario</a> utilizado en sincronía cos eventos estacionais relacionados coas estacións do ano. No caso do <a href="/wiki/Calendario_gregoriano" title="Calendario gregoriano">calendario gregoriano</a>, asígnaselle 1 día extra cada 4 anos no mes de <a href="/wiki/Febreiro" title="Febreiro">febreiro</a>, que pasa a ter 29 días (e o ano 366 días) en vez de 28 como nos anos comúns de 365 días, co fin de equilibrar a duración do <a href="/w/index.php?title=Ano_solar&action=edit&redlink=1" class="new" title="Ano solar (a páxina aínda non existe)">ano solar</a> co <a href="/wiki/Calendario" title="Calendario">calendario</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Causa_dos_anos_bisestos">Causa dos anos bisestos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=1" title="Editar a sección: «Causa dos anos bisestos»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=1" title="Editar o código fonte da sección: Causa dos anos bisestos"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Período_de_translación_terrestre"><span id="Per.C3.ADodo_de_translaci.C3.B3n_terrestre"></span>Período de translación terrestre</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=2" title="Editar a sección: «Período de translación terrestre»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=2" title="Editar o código fonte da sección: Período de translación terrestre"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A razón de que existan anos bisestos é que a <a href="/wiki/Terra" title="Terra">Terra</a> non tarda exactamente 365 días en dar a volta arredor do <a href="/wiki/Sol" title="Sol">Sol</a>, senón que tarda aproximadamente 365,25 días solares (1 ano trópico) (*). Pero como o ano común ten 365 <a href="/wiki/D%C3%ADa_solar" class="mw-redirect" title="Día solar">días solares</a> exactos, ese sobrante anual dunhas 6 horas representa case 1 día cada 4 anos, que se lle engade ao mes de febreiro por motivos históricos. </p><p>(*) <i>a duración do ano trópico é lixeiramente menor (365,242190) e varía de ano en ano</i>. </p> <div class="mw-heading mw-heading3"><h3 id="Razóns_para_corrixir_o_desfasamento"><span id="Raz.C3.B3ns_para_corrixir_o_desfasamento"></span>Razóns para corrixir o desfasamento</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=3" title="Editar a sección: «Razóns para corrixir o desfasamento»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=3" title="Editar o código fonte da sección: Razóns para corrixir o desfasamento"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Se non houbese anos bisestos, as <a href="/wiki/Estaci%C3%B3ns_do_ano" title="Estacións do ano">estacións do ano</a> anticiparíanse gradualmente co pasar dos anos, debido á falta de sincronía entre o <a href="/w/index.php?title=Ano_tr%C3%B3pico&action=edit&redlink=1" class="new" title="Ano trópico (a páxina aínda non existe)">ano trópico</a> e o <a href="/w/index.php?title=Ano_estacional&action=edit&redlink=1" class="new" title="Ano estacional (a páxina aínda non existe)">ano estacional</a>, ocasionando confusións en sectores como a <a href="/wiki/Agricultura" title="Agricultura">agricultura</a>. De feito iso aconteceu e foi a razón do paso do calendario xuliano ao calendario gregoriano. </p> <div class="mw-heading mw-heading3"><h3 id="Como_saber_se_un_ano_é_bisesto"><span id="Como_saber_se_un_ano_.C3.A9_bisesto"></span>Como saber se un ano é bisesto</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=4" title="Editar a sección: «Como saber se un ano é bisesto»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=4" title="Editar o código fonte da sección: Como saber se un ano é bisesto"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>No calendario gregoriano, o <b>ano bisesto</b> é aquel que é múltiplo de 4, excepto os múltiplos de 100 (que non son bisestos) que non sexan múltiplos de 400. </p> <ul><li>Son polo tanto bisestos:</li></ul> <dl><dd><ul><li>Os múltiplos de 4 e non múltiplos de 100: <b>1996, 2004, 2008 e 2012</b></li> <li>Os múltiplos de 400: <b>1600, 2000, 2400</b></li></ul></dd></dl> <ul><li>Non son bisestos:</li></ul> <dl><dd><ul><li>Os múltiplos de 100 e non de 400: <b>1700, 1800, 1900 e 2100</b></li></ul></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=5" title="Editar a sección: «Historia»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=5" title="Editar o código fonte da sección: Historia"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Calendario_xuliano">Calendario xuliano</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=6" title="Editar a sección: «Calendario xuliano»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=6" title="Editar o código fonte da sección: Calendario xuliano"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>O <a href="/wiki/Calendario_xuliano" title="Calendario xuliano">calendario xuliano</a>, implantado en 45 a. C. por <a href="/wiki/Xulio_C%C3%A9sar" title="Xulio César">Xulio César</a>, tiña unha regra similar, aínda que máis simple que a actual, para definir os anos bisestos. Serían bisestos, sen excepción, todos os anos múltiplos de 4. A regra foi respectada ata o ano 1582, ano da implantación do calendario gregoriano. Entre 45 a. C. e 12 d. C. os anos bisestos existiron mais seguían outro mecanismo. Dese xeito, a duración media dun ano segundo o calendario xuliano (Tx) en días solares é: </p> <ul><li>Tx = 365 + 1/4 = <b>365,25</b></li></ul> <p>Como a duración media do ano no calendario xuliano (Tx) é maior que a duración do ano trópico, para que se manteña o axuste entre o ano estacional e o ano trópico, esa diferenza de 0,00781 día trae a necesidade de retirarmos 1 día do calendario anual a cada 128 anos. Polo tanto esa fórmula de corrección do ano bisesto acaba causando, a longo prazo, atrasos nas estacións do ano, ao contrario do que ocorrería se nada fose feito. </p> <ul><li>Anos para axuste de 1 día = 1 / 0,00781 = 128 anos</li></ul> <p>A pesar da existencia dese problema nada se fixo para corrixilo ata o 1582. </p> <div class="mw-heading mw-heading3"><h3 id="Calendario_gregoriano">Calendario gregoriano</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=7" title="Editar a sección: «Calendario gregoriano»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=7" title="Editar o código fonte da sección: Calendario gregoriano"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En 1582 o Papa <a href="/wiki/Gregorio_XIII,_papa" title="Gregorio XIII, papa">Gregorio XIII</a> implantou o calendario gregoriano. O obxectivo foi corrixir o atraso acumulado. Definiuse que o axuste debería ser feito de forma que o <a href="/wiki/Equinoccio" title="Equinoccio">equinoccio</a> de marzo caíse no día 21 daquel mes, o que estaba en conformidade co <a href="/wiki/Primeiro_Concilio_de_Nicea" title="Primeiro Concilio de Nicea">Primeiro Concilio de Nicea</a> (ano 325). A verdade é que esa definición do equinoccio de marzo foi tamén en consonancia coa vontade da <a href="/wiki/Igrexa_cat%C3%B3lica" title="Igrexa católica">Igrexa católica</a> de definir a conmemoración da <a href="/wiki/Pascua_cristi%C3%A1" title="Pascua cristiá">Pascua</a> cristiá en data diferente da Pascua xudaica (<i>Pesach</i>). </p><p>Entre 325 e 1582 pasaron 1257 anos, co cal acumuláronse, despois de 1257 anos, aproximadamente 10 días (9,82 días) de desfasamento. Polo tanto, en 1582, na transición entre os calendarios xuliano e o gregoriano, o día 4 de outubro foi seguido polo día 15 de outubro. Eses 10 días elimináronse do calendario daquel ano. </p><p>Estableceuse para o <a href="/wiki/Calendario_gregoriano" title="Calendario gregoriano">calendario gregoriano</a> que serían bisestos todos os anos múltiplos de 4, excepto se fose múltiplo de 100. Os múltiplos de 400 tamén son bisestos. Na práctica iso significa que hai 97 anos bisestos a cada 400 anos. Polo tanto a duración media dun ano de acordo co calendario gregoriano (Tg) é: </p> <ul><li>Tg = 365 + 1/4 - 1/100 + 1/400</li> <li>Tg = 365 + 97/400</li> <li>Tg = <b>365,2425</b></li></ul> <p>Entón a diferenza entre 1 ano trópico e un ano gregoriano (Tg) é: </p> <ul><li>Dg = ano trópico - Tg</li> <li>Dg = 365,242190 - 365,242500</li> <li>Dg = - 0,00031</li></ul> <p>Ou sexa, aínda hai un erro mais é moito menor que o proporcionado polas regras do calendario xuliano. Nesa nova regra adoptada polo calendario gregoriano o erro de 1 día de atraso ocorre só despois de máis de 3000 anos. </p> <div class="mw-heading mw-heading3"><h3 id="A_orixe_do_nome_bisesto">A orixe do nome <i>bisesto</i></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=8" title="Editar a sección: «A orixe do nome bisesto»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=8" title="Editar o código fonte da sección: A orixe do nome bisesto"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A orixe do nome bisesto ten relación co antigo <a href="/wiki/Calendario_romano" title="Calendario romano">calendario romano</a>. Os romanos adoptaban nomes para os días. O primeiro día de cada mes chamábase <i>Calendae</i>. Os últimos días dun mes eran nomeados en relación a canto tempo faltaba para o primeiro día do mes seguinte. Así, o 7.° día antes do <i>Calendae</i> de marzo, o 6.° día antes do <i>Calendae</i> de marzo, o 5.° día antes do <i>Calendae</i> de marzo e así en diante. Na verdade non existía un 2.° día antes do <i>Calendae</i>. Iso ocorría de acordo co sistema de conta usado polos romanos o propio <i>Calendae</i> era o primeiro día. Entón o día antes do <i>Calendae</i> e o 2.° día antes do <i>Calendae</i> significaban a mesma cousa. Na práctica, facendo un paralelo entre o sistema usado polos romanos e o actual, o final do mes de febreiro presentaríase da seguinte forma: </p> <center> <dl><dd>7.° día antes do <i>Calendae</i> de marzo = 23 de febreiro</dd> <dd>6.° día antes do <i>Calendae</i> de marzo = 24 de febreiro</dd> <dd>5.° día antes do <i>Calendae</i> de marzo = 25 de febreiro</dd> <dd>4.° día antes do <i>Calendae</i> de marzo = 26 de febreiro</dd> <dd>3.° día antes do <i>Calendae</i> de marzo = 27 de febreiro</dd> <dd>o día antes do <i>Calendae</i> de marzo = 28 de febreiro</dd> <dd><i>Calendae</i> de marzo = 1° de marzo</dd></dl> </center> <p>O calendario romano tiña unha peculiaridade: case sempre era necesario incluír un mes extra ou períodos variables de inverno para rematar o ano cun número de días arredor de 365. Na época da adopción do calendario xuliano, o romano tiña 355 días por ano, sen contar os extras. Cada 2 anos era necesario incluír un mes chamado <a href="/w/index.php?title=Intercalaris&action=edit&redlink=1" class="new" title="Intercalaris (a páxina aínda non existe)">Intercalaris</a> de 22 ou 23 días para minimizar os problemas de sincronía deste sistema coas estacións do ano. Retrocedendo algúns séculos na historia, na época da introdución do calendario romano, ese mes extra estaba entre o 7° e o 6° día antes do <i>Calendae</i> de marzo pois nesta primeira versión, marzo era o primeiro mes do ano e os meses de xaneiro e febreiro non existían. Nada máis natural que colocar o <i>Intercalaris</i> antes do inicio do ano (equivalente a despois da fin do ano). Mesmo despois da primeira reforma do calendario romano que incluíu os meses de xaneiro e febreiro, o mes extra continuou antes do mes de marzo, dentro de febreiro. Xulio César, ao crear o seu calendario, mantivo o patrón para o día extra do ano bisesto, dobrando o entón chamado 6° día antes do <i>Calendae</i> de marzo. Facendo novamente un paralelo entre o calendario romano e o sistema actual, incluíndo o día extra do ano bisesto, temos: </p> <center> <dl><dd>7.° día antes do <i>Calendae</i> de marzo = 23 de febreiro</dd> <dd><b>6.° día antes do <i>Calendae</i> de marzo = 24 de febreiro</b></dd> <dd>6.° día antes do <i>Calendae</i> de marzo = 25 de febreiro</dd> <dd>5.° día antes do <i>Calendae</i> de marzo = 26 de febreiro</dd> <dd>4.° día antes do <i>Calendae</i> de marzo = 27 de febreiro</dd> <dd>3.° día antes do <i>Calendae</i> de marzo = 28 de febreiro</dd> <dd>o día antes do <i>Calendae</i> de marzo = 29 de febreiro</dd> <dd><i>Calendae</i> de marzo = 1 de marzo</dd></dl> </center> <p>O sexto día antes do <i>Calendae</i> duprícase. Por iso o nome é <i>bisesto</i>. E iso tamén explica o motivo de que o día extra do mes de febreiro sexa o 24.° e non o 29.°. Mais trátase de curiosidade histórica pois nin mesmo a igrexa católica segue esta convención actualmente. De feito, o día adicional é o 29.°. </p> <div class="mw-heading mw-heading3"><h3 id="Alternativas">Alternativas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=9" title="Editar a sección: «Alternativas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=9" title="Editar o código fonte da sección: Alternativas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Na década de 1920 as igrexas Ortodoxas do leste Europeo crearon un mecanismo diferente para determinar os anos bisestos. Substituíron o "divisible por 400 é bisesto" por "os anos que divididos por 900 presentaren resto da división igual a 200 ou 600 son bisestos". Iso significa que os anos de 1900, 2100, 2200, 2300, 2500, 2600, 2700, 2800 son comúns (non bisestos) e os anos 2000, 2400 e 2900 son bisestos. Iso non crea conflitos co resto do mundo ata o ano 2800. Na práctica significa que hai 218 anos bisestos por cada 900 anos, o que fai que a duración media do ano nese sistema sexa de 365,24222 días (365 + 218/900), o que é máis preciso que o adoptado polo calendario gregoriano.</li> <li>O calendario gregoriano posúe 970 anos bisestos cada 4000 anos. Hai estudosos que defenden unha regra na cal haxa 969 anos bisestos en cada 4000 anos (365,24225). A media ficaría máis próxima da duración do ano trópico que no actual modelo. A regra consiste en excluír os anos múltiplos de 4000 como se fosen bisestos. Así como o método suxerido polas igrexas Ortodoxas do Leste Europeo, ese sistema é compatible co actual por moito tempo, ou sexa, pódese postergar ata preto do ano 4000 do calendario gregoriano para debater o asunto.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Véxase_tamén"><span id="V.C3.A9xase_tam.C3.A9n"></span>Véxase tamén</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=10" title="Editar a sección: «Véxase tamén»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=10" title="Editar o código fonte da sección: Véxase tamén"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Ligazóns_externas"><span id="Ligaz.C3.B3ns_externas"></span>Ligazóns externas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ano_bisesto&veaction=edit&section=11" title="Editar a sección: «Ligazóns externas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ano_bisesto&action=edit&section=11" title="Editar o código fonte da sección: Ligazóns externas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20051228123115/http://www.tondering.dk/claus/calendar.html">The Calendar FAQ</a> en inglés</li> <li><a rel="nofollow" class="external text" href="http://www.calendario.cnt.br/intro_calendar.htm">Calendário</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20051123092107/http://www.calendario.cnt.br/intro_calendar.htm">Arquivado</a> 23 de novembro de 2005 en <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. en portugués</li></ul> <div role="navigation" class="navbox" aria-labelledby="Control_de_autoridades" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Control_de_autoridades" scope="row" class="navbox-group" style="width:1%;width: 12%; 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