{"id":51693,"date":"2026-11-01T09:14:18","date_gmt":"2026-11-01T09:14:18","guid":{"rendered":"https:\/\/www.worldclock.com\/viikkonumero\/"},"modified":"2026-11-01T09:14:18","modified_gmt":"2026-11-01T09:14:18","slug":"viikkonumero","status":"publish","type":"page","link":"https:\/\/www.worldclock.com\/fi\/viikkonumero\/","title":{"rendered":"Mik\u00e4 viikko nyt on?"},"content":{"rendered":"<div class=\"wc wc-tool-page wc-tool-page--week\"><header class=\"wc-thero\"><div class=\"wc-thero__text\"><nav class=\"wc-crumbs\" aria-label=\"Breadcrumb\"><ol><li><a href=\"https:\/\/www.worldclock.com\/fi\/\">Maailmankello<\/a><\/li><li><a href=\"https:\/\/www.worldclock.com\/fi\/tyokalut\/\">Aikaty\u00f6kalut<\/a><\/li><li><span aria-current=\"page\">Mik\u00e4 viikko nyt on?<\/span><\/li><\/ol><\/nav><p class=\"wc-eyebrow\"><span aria-hidden=\"true\">\ud83d\uddd3\ufe0f<\/span> Ilmainen ty\u00f6kalu<\/p><h1 class=\"wc-thero__title\">Mik\u00e4 viikko nyt on?<\/h1><p class=\"wc-thero__lead\">T\u00e4m\u00e4n p\u00e4iv\u00e4n ISO-viikkonumero sek\u00e4 vuoden kaikki viikot p\u00e4iv\u00e4m\u00e4\u00e4rineen.<\/p><\/div><\/header><div class=\"wc-tool\"><div class=\"wc-week\" data-wc-tool=\"week\"><div class=\"wc-bigdisplay\"><p class=\"wc-eyebrow\">T\u00e4n\u00e4\u00e4n on<\/p><p class=\"wc-bigdisplay__v\" data-week>Viikko 44<\/p><p class=\"wc-bigdisplay__s\" data-range><\/p><\/div><div class=\"wc-tbar\"><label class=\"wc-field\"><span>Selvit\u00e4 p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4n viikko<\/span><input type=\"date\" data-date><\/label><p class=\"wc-mil__out\" data-out><\/p><\/div><h2>Viikkonumerot 2026<\/h2><div class=\"wc-table-wrap wc-week__table\"><table class=\"wc-hourtable\"><thead><tr><th>Viikko<\/th><th>Alkaen (maanantai)<\/th><th>P\u00e4\u00e4ttyen (sunnuntai)<\/th><\/tr><\/thead><tbody><tr><td><strong>Week 1<\/strong><\/td><td>Mon 29 Dec 2025<\/td><td>Sun 4 Jan 2026<\/td><\/tr><tr><td><strong>Week 2<\/strong><\/td><td>Mon 5 Jan 2026<\/td><td>Sun 11 Jan 2026<\/td><\/tr><tr><td><strong>Week 3<\/strong><\/td><td>Mon 12 Jan 2026<\/td><td>Sun 18 Jan 2026<\/td><\/tr><tr><td><strong>Week 4<\/strong><\/td><td>Mon 19 Jan 2026<\/td><td>Sun 25 Jan 2026<\/td><\/tr><tr><td><strong>Week 5<\/strong><\/td><td>Mon 26 Jan 2026<\/td><td>Sun 1 Feb 2026<\/td><\/tr><tr><td><strong>Week 6<\/strong><\/td><td>Mon 2 Feb 2026<\/td><td>Sun 8 Feb 2026<\/td><\/tr><tr><td><strong>Week 7<\/strong><\/td><td>Mon 9 Feb 2026<\/td><td>Sun 15 Feb 2026<\/td><\/tr><tr><td><strong>Week 8<\/strong><\/td><td>Mon 16 Feb 2026<\/td><td>Sun 22 Feb 2026<\/td><\/tr><tr><td><strong>Week 9<\/strong><\/td><td>Mon 23 Feb 2026<\/td><td>Sun 1 Mar 2026<\/td><\/tr><tr><td><strong>Week 10<\/strong><\/td><td>Mon 2 Mar 2026<\/td><td>Sun 8 Mar 2026<\/td><\/tr><tr><td><strong>Week 11<\/strong><\/td><td>Mon 9 Mar 2026<\/td><td>Sun 15 Mar 2026<\/td><\/tr><tr><td><strong>Week 12<\/strong><\/td><td>Mon 16 Mar 2026<\/td><td>Sun 22 Mar 2026<\/td><\/tr><tr><td><strong>Week 13<\/strong><\/td><td>Mon 23 Mar 2026<\/td><td>Sun 29 Mar 2026<\/td><\/tr><tr><td><strong>Week 14<\/strong><\/td><td>Mon 30 Mar 2026<\/td><td>Sun 5 Apr 2026<\/td><\/tr><tr><td><strong>Week 15<\/strong><\/td><td>Mon 6 Apr 2026<\/td><td>Sun 12 Apr 2026<\/td><\/tr><tr><td><strong>Week 16<\/strong><\/td><td>Mon 13 Apr 2026<\/td><td>Sun 19 Apr 2026<\/td><\/tr><tr><td><strong>Week 17<\/strong><\/td><td>Mon 20 Apr 2026<\/td><td>Sun 26 Apr 2026<\/td><\/tr><tr><td><strong>Week 18<\/strong><\/td><td>Mon 27 Apr 2026<\/td><td>Sun 3 May 2026<\/td><\/tr><tr><td><strong>Week 19<\/strong><\/td><td>Mon 4 May 2026<\/td><td>Sun 10 May 2026<\/td><\/tr><tr><td><strong>Week 20<\/strong><\/td><td>Mon 11 May 2026<\/td><td>Sun 17 May 2026<\/td><\/tr><tr><td><strong>Week 21<\/strong><\/td><td>Mon 18 May 2026<\/td><td>Sun 24 May 2026<\/td><\/tr><tr><td><strong>Week 22<\/strong><\/td><td>Mon 25 May 2026<\/td><td>Sun 31 May 2026<\/td><\/tr><tr><td><strong>Week 23<\/strong><\/td><td>Mon 1 Jun 2026<\/td><td>Sun 7 Jun 2026<\/td><\/tr><tr><td><strong>Week 24<\/strong><\/td><td>Mon 8 Jun 2026<\/td><td>Sun 14 Jun 2026<\/td><\/tr><tr><td><strong>Week 25<\/strong><\/td><td>Mon 15 Jun 2026<\/td><td>Sun 21 Jun 2026<\/td><\/tr><tr><td><strong>Week 26<\/strong><\/td><td>Mon 22 Jun 2026<\/td><td>Sun 28 Jun 2026<\/td><\/tr><tr><td><strong>Week 27<\/strong><\/td><td>Mon 29 Jun 2026<\/td><td>Sun 5 Jul 2026<\/td><\/tr><tr><td><strong>Week 28<\/strong><\/td><td>Mon 6 Jul 2026<\/td><td>Sun 12 Jul 2026<\/td><\/tr><tr><td><strong>Week 29<\/strong><\/td><td>Mon 13 Jul 2026<\/td><td>Sun 19 Jul 2026<\/td><\/tr><tr><td><strong>Week 30<\/strong><\/td><td>Mon 20 Jul 2026<\/td><td>Sun 26 Jul 2026<\/td><\/tr><tr><td><strong>Week 31<\/strong><\/td><td>Mon 27 Jul 2026<\/td><td>Sun 2 Aug 2026<\/td><\/tr><tr><td><strong>Week 32<\/strong><\/td><td>Mon 3 Aug 2026<\/td><td>Sun 9 Aug 2026<\/td><\/tr><tr><td><strong>Week 33<\/strong><\/td><td>Mon 10 Aug 2026<\/td><td>Sun 16 Aug 2026<\/td><\/tr><tr><td><strong>Week 34<\/strong><\/td><td>Mon 17 Aug 2026<\/td><td>Sun 23 Aug 2026<\/td><\/tr><tr><td><strong>Week 35<\/strong><\/td><td>Mon 24 Aug 2026<\/td><td>Sun 30 Aug 2026<\/td><\/tr><tr><td><strong>Week 36<\/strong><\/td><td>Mon 31 Aug 2026<\/td><td>Sun 6 Sep 2026<\/td><\/tr><tr><td><strong>Week 37<\/strong><\/td><td>Mon 7 Sep 2026<\/td><td>Sun 13 Sep 2026<\/td><\/tr><tr><td><strong>Week 38<\/strong><\/td><td>Mon 14 Sep 2026<\/td><td>Sun 20 Sep 2026<\/td><\/tr><tr><td><strong>Week 39<\/strong><\/td><td>Mon 21 Sep 2026<\/td><td>Sun 27 Sep 2026<\/td><\/tr><tr><td><strong>Week 40<\/strong><\/td><td>Mon 28 Sep 2026<\/td><td>Sun 4 Oct 2026<\/td><\/tr><tr><td><strong>Week 41<\/strong><\/td><td>Mon 5 Oct 2026<\/td><td>Sun 11 Oct 2026<\/td><\/tr><tr><td><strong>Week 42<\/strong><\/td><td>Mon 12 Oct 2026<\/td><td>Sun 18 Oct 2026<\/td><\/tr><tr><td><strong>Week 43<\/strong><\/td><td>Mon 19 Oct 2026<\/td><td>Sun 25 Oct 2026<\/td><\/tr><tr class=\"is-cur\"><td><strong>Week 44<\/strong><\/td><td>Mon 26 Oct 2026<\/td><td>Sun 1 Nov 2026<\/td><\/tr><tr><td><strong>Week 45<\/strong><\/td><td>Mon 2 Nov 2026<\/td><td>Sun 8 Nov 2026<\/td><\/tr><tr><td><strong>Week 46<\/strong><\/td><td>Mon 9 Nov 2026<\/td><td>Sun 15 Nov 2026<\/td><\/tr><tr><td><strong>Week 47<\/strong><\/td><td>Mon 16 Nov 2026<\/td><td>Sun 22 Nov 2026<\/td><\/tr><tr><td><strong>Week 48<\/strong><\/td><td>Mon 23 Nov 2026<\/td><td>Sun 29 Nov 2026<\/td><\/tr><tr><td><strong>Week 49<\/strong><\/td><td>Mon 30 Nov 2026<\/td><td>Sun 6 Dec 2026<\/td><\/tr><tr><td><strong>Week 50<\/strong><\/td><td>Mon 7 Dec 2026<\/td><td>Sun 13 Dec 2026<\/td><\/tr><tr><td><strong>Week 51<\/strong><\/td><td>Mon 14 Dec 2026<\/td><td>Sun 20 Dec 2026<\/td><\/tr><tr><td><strong>Week 52<\/strong><\/td><td>Mon 21 Dec 2026<\/td><td>Sun 27 Dec 2026<\/td><\/tr><tr><td><strong>Week 53<\/strong><\/td><td>Mon 28 Dec 2026<\/td><td>Sun 3 Jan 2027<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/div><section class=\"wc-section wc-tool-info\"><div class=\"wc-prose\"><h2>Miten viikkonumerot toimivat<\/h2><p>T\u00e4m\u00e4 sivu k\u00e4ytt\u00e4\u00e4 <strong>ISO 8601 -viikkonumeroita<\/strong>, jotka ovat standardi Euroopassa, Aasiassa ja suurimmassa osassa maailmaa: viikot alkavat maanantaista, ja viikko 1 on se viikko, johon vuoden ensimm\u00e4inen torstai osuu. Vuodessa on 52 tai 53 viikkoa, ja tammikuun ensimm\u00e4iset p\u00e4iv\u00e4t voivat kuulua edellisen vuoden viimeiseen viikkoon.<\/p><p>Yhdysvalloissa monet kalenterit laskevat viikot sunnuntaista alkaen, ja viikkoon 1 kuuluu aina 1. tammikuuta, joten yhdysvaltalaiset viikkonumerot voivat poiketa yhdell\u00e4.<\/p><\/div><\/section><section class=\"wc-section wc-faq\"><h2>Usein kysytty\u00e4<\/h2><details><summary>Mik\u00e4 viikkonumero t\u00e4n\u00e4\u00e4n on?<\/summary><p>T\u00e4n\u00e4\u00e4n on vuoden 2026 ISO-viikko 44.<\/p><\/details><details><summary>Kuinka monta viikkoa vuodessa on?<\/summary><p>ISO-vuodessa on 52 viikkoa, tai 53, kun vuosi alkaa tai p\u00e4\u00e4ttyy torstaihin (tai karkausvuosi alkaa keskiviikkona).<\/p><\/details><\/section><section class=\"wc-section wc-tools-grid\"><div class=\"wc-section__head\"><h2>Lis\u00e4\u00e4 ilmaisia aikaty\u00f6kaluja<\/h2><a href=\"https:\/\/www.worldclock.com\/fi\/tyokalut\/\">Kaikki ty\u00f6kalut \u2192<\/a><\/div><div class=\"wc-toolcards\"><a class=\"wc-toolcard wc-toolcard--datecalc\" href=\"https:\/\/www.worldclock.com\/fi\/paivamaaralaskuri\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83e\uddee<\/span><span class=\"wc-toolcard__name\">P\u00e4iv\u00e4m\u00e4\u00e4r\u00e4laskuri<\/span><span class=\"wc-toolcard__desc\">P\u00e4iv\u00e4t p\u00e4iv\u00e4m\u00e4\u00e4rien v\u00e4lill\u00e4, lis\u00e4\u00e4 ja v\u00e4henn\u00e4.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--age\" href=\"https:\/\/www.worldclock.com\/fi\/ikalaskuri\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf82<\/span><span class=\"wc-toolcard__name\">Ik\u00e4laskuri<\/span><span class=\"wc-toolcard__desc\">Tarkka ik\u00e4 ja seuraava syntym\u00e4p\u00e4iv\u00e4.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--dst\" href=\"https:\/\/www.worldclock.com\/fi\/kesaaika-kellojen-siirto\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf17<\/span><span class=\"wc-toolcard__name\">Kes\u00e4aikaseuranta<\/span><span class=\"wc-toolcard__desc\">Kaikki tulevat kellojen siirrot.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--buddhist\" href=\"https:\/\/www.worldclock.com\/fi\/buddhalainen-kalenteri-muunnin\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2638\ufe0f<\/span><span class=\"wc-toolcard__name\">Buddhalaisen vuoden muunnin<\/span><span class=\"wc-toolcard__desc\">B.E. \u2194 jKr. (Thaimaan kalenteri).<\/span><\/a><a class=\"wc-toolcard wc-toolcard--hijri\" href=\"https:\/\/www.worldclock.com\/fi\/hidzra-kalenteri-muunnin\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u262a\ufe0f<\/span><span class=\"wc-toolcard__name\">Hid\u017era-p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4muunnin<\/span><span class=\"wc-toolcard__desc\">Islamilainen hid\u017era \u2194 gregoriaaninen.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--hebrew\" href=\"https:\/\/www.worldclock.com\/fi\/heprealainen-kalenteri-muunnin\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2721\ufe0f<\/span><span class=\"wc-toolcard__name\">Heprealaisen p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4n muunnin<\/span><span class=\"wc-toolcard__desc\">Juutalainen kalenteri \u2194 gregoriaaninen.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--chinese\" href=\"https:\/\/www.worldclock.com\/fi\/kiinalainen-kalenteri-horoskooppi\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udc09<\/span><span class=\"wc-toolcard__name\">Kiinalainen kalenteri ja horoskooppi<\/span><span class=\"wc-toolcard__desc\">Kuukalenterin p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4 ja horoskooppiel\u00e4in.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--japanese\" href=\"https:\/\/www.worldclock.com\/fi\/japanin-aikakausi-muunnin\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf8c<\/span><span class=\"wc-toolcard__name\">Japanin aikakausimuunnin<\/span><span class=\"wc-toolcard__desc\">Reiwa-, Heisei- ja Sh\u014dwa-vuodet.<\/span><\/a><\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":"","bs_cache_bypass_cache":0,"bs_cache_related_page":0},"class_list":["post-51693","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"clocker","author_link":"https:\/\/www.worldclock.com\/fi\/author\/clocker\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/pages\/51693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/comments?post=51693"}],"version-history":[{"count":0,"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/pages\/51693\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.worldclock.com\/fi\/wp-json\/wp\/v2\/media?parent=51693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}