{"id":189734,"date":"2026-05-30T15:13:21","date_gmt":"2026-05-30T15:13:21","guid":{"rendered":"https:\/\/www.colomio.com\/?page_id=189734"},"modified":"2026-05-30 15:13:36","modified_gmt":"2026-05-30T15:13:36","slug":"weeknummers-2027","status":"publish","type":"page","link":"https:\/\/www.colomio.com\/nl\/weeknummers-2027","title":{"rendered":"Weeknummers 2027"},"content":{"rendered":"<style>\nbody.page-id-189734 .page-author,body.page-id-189734 .dat2,body.page-id-189734 .shariff-buttons,body.page-id-189734 #ez-toc-container,body.page-id-189734 .ez-toc-v2_0_72,body.page-id-189734 .entry-title{display:none!important}\nbody.page-id-189734 .entry-content,body.page-id-189734 .site-content,body.page-id-189734 .inside-article{background:#f7f9fc!important;padding:0!important}\nbody.page-id-189734 .hck2027 *{box-sizing:border-box}\nbody.page-id-189734 .hck2027{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;color:#0f172a;background:#f7f9fc;padding:0 0 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type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.colomio.com\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kalender 2027\",\"item\":\"https:\/\/www.colomio.com\/nl\/kalender-2027\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Weeknummers\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Hoeveel weken heeft 2027?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2027 heeft 52 weken volgens ISO 8601. 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Bevestig bij internationale projecten altijd met een datumbereik.\"}}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027#webpage\",\"url\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027\",\"name\":\"Weeknummers 2027 \u2013 alle 52 weken (ISO 8601)\",\"description\":\"Alle weken 2027 (ISO 8601) met data ma\u2013zo, kwartalen en feestdagen.\",\"inLanguage\":\"nl-NL\",\"isPartOf\":{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.colomio.com#website\",\"url\":\"https:\/\/www.colomio.com\/\",\"name\":\"colomio\",\"inLanguage\":\"nl-NL\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027#breadcrumb\"},\"datePublished\":\"2026-05-30\",\"dateModified\":\"2026-05-30\",\"author\":{\"@type\":\"Person\",\"name\":\"Mathias Ziegler\"},\"publisher\":{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.colomio.com#organization\",\"name\":\"happycolorz GmbH\",\"url\":\"https:\/\/www.colomio.com\/\"},\"mainEntity\":{\"@id\":\"https:\/\/www.colomio.com\/nl\/weeknummers-2027#faq\"}}]}<\/script><\/p>\n<div class=\"hck2027\">\n<section class=\"hck-hero\">\n<div class=\"hck-container hck-hero-grid\">\n<div>\n<nav class=\"hck-breadcrumb\" aria-label=\"Breadcrumb\"><a href=\"https:\/\/www.colomio.com\/nl\/kalender-2027\">Kalender 2027<\/a><span>\u203a<\/span><span>Weeknummers<\/span><span>\u203a<\/span><span>2027<\/span><\/nav>\n<h1>Weeknummers 2027<\/h1>\n<p class=\"hck-author-meta\">Door <a href=\"https:\/\/www.colomio.com\/\" rel=\"author\">Mathias Ziegler<\/a><span class=\"hck-sep\">\u00b7<\/span>Bijgewerkt : <time datetime=\"2026-05-30\">30 mei 2026<\/time><\/p>\n<p class=\"hck-lead\">Alle weken 2027 volgens ISO 8601 \u2014 weeknummer, data (ma\u2013zo), kwartaal en feestdagen in de week.<\/p>\n<div class=\"hck-hero-buttons\"><a class=\"hck-btn hck-btn-primary\" href=\"#table\">Bekijk de weken<\/a><\/div>\n<div class=\"hck-trust-row\"><span class=\"hck-trust-item\">\u2713 ISO 8601<\/span><span class=\"hck-trust-item\">\u2713 52 weken<\/span><span class=\"hck-trust-item\">\u2713 Met feestdagen<\/span><\/div>\n<\/div>\n<aside class=\"hck-card hck-quickfacts\">\n<h2>Weken 2027 in het kort<\/h2>\n<p class=\"hck-qf-sub\">Het belangrijkste<\/p>\n<ul class=\"hck-qf-list\">\n<li><span class=\"hck-qf-icon\" aria-hidden=\"true\">\ud83d\udcc5<\/span><span><span class=\"hck-qf-label\">52 weeks<\/span><span class=\"hck-qf-value\">Weken 2027 in het kort<\/span><\/span><\/li>\n<li><span class=\"hck-qf-icon\" aria-hidden=\"true\">\ud83e\udd47<\/span><span><span class=\"hck-qf-label\">S1 : 4 januari 2027<\/span><span class=\"hck-qf-value\">10 januari 2027<\/span><\/span><\/li>\n<li><span class=\"hck-qf-icon\" aria-hidden=\"true\">\ud83c\udfc1<\/span><span><span class=\"hck-qf-label\">S52 : 2 januari 2028<\/span><span class=\"hck-qf-value\">27 december 2027<\/span><\/span><\/li>\n<li><span class=\"hck-qf-icon\" aria-hidden=\"true\">\ud83c\udf0d<\/span><span><span class=\"hck-qf-label\">ISO 8601<\/span><span class=\"hck-qf-value\">La S1 contiene il primo gioved\u00ec dell\u2019anno.<\/span><\/span><\/li>\n<\/ul>\n<\/aside>\n<\/div>\n<\/section>\n<section class=\"hck-section\" id=\"table\">\n<div class=\"hck-container\">\n<div class=\"hck-section-head\">\n<h2>Alle weken 2027<\/h2>\n<\/div>\n<p style=\"margin:0 0 14px;color:#64748b;font-size:.9rem\">Data ma\u2013zo volgens ISO 8601. Feestdagen = nationale feestdagen in de week.<\/p>\n<div class=\"hck-table-wrap\">\n<table class=\"hck-table\" style=\"min-width:680px\">\n<thead>\n<tr>\n<th>Week<\/th>\n<th>Maand<\/th>\n<th>Data (ma \u2013 zo)<\/th>\n<th>Feestdagen<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"hck-divider\">\n<td colspan=\"4\">Kw1 \u2014 jan-mrt<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 1<\/td>\n<td>Januari<\/td>\n<td>04.01 \u2013 10.01.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 2<\/td>\n<td>Januari<\/td>\n<td>11.01 \u2013 17.01.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 3<\/td>\n<td>Januari<\/td>\n<td>18.01 \u2013 24.01.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 4<\/td>\n<td>Januari<\/td>\n<td>25.01 \u2013 31.01.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 5<\/td>\n<td>Februari<\/td>\n<td>01.02 \u2013 07.02.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 6<\/td>\n<td>Februari<\/td>\n<td>08.02 \u2013 14.02.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 7<\/td>\n<td>Februari<\/td>\n<td>15.02 \u2013 21.02.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 8<\/td>\n<td>Februari<\/td>\n<td>22.02 \u2013 28.02.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 9<\/td>\n<td>Maart<\/td>\n<td>01.03 \u2013 07.03.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 10<\/td>\n<td>Maart<\/td>\n<td>08.03 \u2013 14.03.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 11<\/td>\n<td>Maart<\/td>\n<td>15.03 \u2013 21.03.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 12<\/td>\n<td>Maart<\/td>\n<td>22.03 \u2013 28.03.2027<\/td>\n<td><span class=\"hck-tag\">Goede Vrijdag \u00b7 26.03.<\/span><span class=\"hck-tag\">Eerste paasdag \u00b7 28.03.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 13<\/td>\n<td>maa.\/apr.<\/td>\n<td>29.03 \u2013 04.04.2027<\/td>\n<td><span class=\"hck-tag\">Tweede paasdag \u00b7 29.03.<\/span><\/td>\n<\/tr>\n<tr class=\"hck-divider\">\n<td colspan=\"4\">Kw2 \u2014 apr-jun<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 14<\/td>\n<td>April<\/td>\n<td>05.04 \u2013 11.04.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 15<\/td>\n<td>April<\/td>\n<td>12.04 \u2013 18.04.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 16<\/td>\n<td>April<\/td>\n<td>19.04 \u2013 25.04.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 17<\/td>\n<td>apr.\/mei.<\/td>\n<td>26.04 \u2013 02.05.2027<\/td>\n<td><span class=\"hck-tag\">Koningsdag \u00b7 27.04.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 18<\/td>\n<td>Mei<\/td>\n<td>03.05 \u2013 09.05.2027<\/td>\n<td><span class=\"hck-tag\">Hemelvaartsdag \u00b7 06.05.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 19<\/td>\n<td>Mei<\/td>\n<td>10.05 \u2013 16.05.2027<\/td>\n<td><span class=\"hck-tag\">Eerste Pinksterdag \u00b7 16.05.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 20<\/td>\n<td>Mei<\/td>\n<td>17.05 \u2013 23.05.2027<\/td>\n<td><span class=\"hck-tag\">Tweede Pinksterdag \u00b7 17.05.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 21<\/td>\n<td>Mei<\/td>\n<td>24.05 \u2013 30.05.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 22<\/td>\n<td>mei.\/jun.<\/td>\n<td>31.05 \u2013 06.06.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 23<\/td>\n<td>Juni<\/td>\n<td>07.06 \u2013 13.06.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 24<\/td>\n<td>Juni<\/td>\n<td>14.06 \u2013 20.06.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 25<\/td>\n<td>Juni<\/td>\n<td>21.06 \u2013 27.06.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 26<\/td>\n<td>jun.\/jul.<\/td>\n<td>28.06 \u2013 04.07.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr class=\"hck-divider\">\n<td colspan=\"4\">Kw3 \u2014 jul-sep<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 27<\/td>\n<td>Juli<\/td>\n<td>05.07 \u2013 11.07.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 28<\/td>\n<td>Juli<\/td>\n<td>12.07 \u2013 18.07.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 29<\/td>\n<td>Juli<\/td>\n<td>19.07 \u2013 25.07.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 30<\/td>\n<td>jul.\/aug.<\/td>\n<td>26.07 \u2013 01.08.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 31<\/td>\n<td>Augustus<\/td>\n<td>02.08 \u2013 08.08.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 32<\/td>\n<td>Augustus<\/td>\n<td>09.08 \u2013 15.08.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 33<\/td>\n<td>Augustus<\/td>\n<td>16.08 \u2013 22.08.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 34<\/td>\n<td>Augustus<\/td>\n<td>23.08 \u2013 29.08.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 35<\/td>\n<td>aug.\/sep.<\/td>\n<td>30.08 \u2013 05.09.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 36<\/td>\n<td>September<\/td>\n<td>06.09 \u2013 12.09.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 37<\/td>\n<td>September<\/td>\n<td>13.09 \u2013 19.09.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 38<\/td>\n<td>September<\/td>\n<td>20.09 \u2013 26.09.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 39<\/td>\n<td>sep.\/okt.<\/td>\n<td>27.09 \u2013 03.10.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr class=\"hck-divider\">\n<td colspan=\"4\">Kw4 \u2014 okt-dec<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 40<\/td>\n<td>Oktober<\/td>\n<td>04.10 \u2013 10.10.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 41<\/td>\n<td>Oktober<\/td>\n<td>11.10 \u2013 17.10.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 42<\/td>\n<td>Oktober<\/td>\n<td>18.10 \u2013 24.10.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 43<\/td>\n<td>Oktober<\/td>\n<td>25.10 \u2013 31.10.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 44<\/td>\n<td>November<\/td>\n<td>01.11 \u2013 07.11.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 45<\/td>\n<td>November<\/td>\n<td>08.11 \u2013 14.11.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 46<\/td>\n<td>November<\/td>\n<td>15.11 \u2013 21.11.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 47<\/td>\n<td>November<\/td>\n<td>22.11 \u2013 28.11.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 48<\/td>\n<td>nov.\/dec.<\/td>\n<td>29.11 \u2013 05.12.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 49<\/td>\n<td>December<\/td>\n<td>06.12 \u2013 12.12.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 50<\/td>\n<td>December<\/td>\n<td>13.12 \u2013 19.12.2027<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 51<\/td>\n<td>December<\/td>\n<td>20.12 \u2013 26.12.2027<\/td>\n<td><span class=\"hck-tag\">Eerste Kerstdag \u00b7 25.12.<\/span><span class=\"hck-tag\">Tweede Kerstdag \u00b7 26.12.<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"hck-num\">S 52<\/td>\n<td>dec.\/jan.<\/td>\n<td>27.12 \u2013 02.01.2028<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"hck-section\">\n<div class=\"hck-container\">\n<div class=\"hck-section-head\">\n<h2>Veelgestelde vragen<\/h2>\n<\/div>\n<div class=\"hck-card hck-faq-list\">\n<details>\n<summary>Hoeveel weken heeft 2027?<\/summary>\n<p>2027 heeft 52 weken volgens ISO 8601. Het is geen jaar met 53 weken.<\/p>\n<\/details>\n<details>\n<summary>Wanneer begint week 1 van 2027?<\/summary>\n<p>Week 1 van 2027 begint op maandag 4 januari 2027 en eindigt op zondag 10 januari 2027.<\/p>\n<\/details>\n<details>\n<summary>Wat betekent ISO 8601?<\/summary>\n<p>Dat is de internationale norm voor weeknummers: week 1 is de week met de eerste donderdag van het jaar (de week van 4 januari). De week begint altijd op maandag.<\/p>\n<\/details>\n<details>\n<summary>In welke week valt Pasen 2027?<\/summary>\n<p>La domenica di Pasqua 2027 \u00e8 il 28 maart 2027 \u2014 settimana 12.<\/p>\n<\/details>\n<details>\n<summary>Hoe tellen de VS weeknummers?<\/summary>\n<p>In de VS en Canada is week 1 de week met 1 januari en begint de week op zondag. Bevestig bij internationale projecten altijd met een datumbereik.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"hck-section\">\n<div class=\"hck-container\">\n<div class=\"hck-section-head\">\n<h2>Maandkalenders 2027<\/h2>\n<\/div>\n<div class=\"hck-months-row\"><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/januari-2027-kalender\">Januari<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/februari-2027-kalender\">Februari<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/maart-2027-kalender\">Maart<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/april-2027-kalender\">April<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/mei-2027-kalender\">Mei<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/juni-2027-kalender\">Juni<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/juli-2027-kalender\">Juli<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/augustus-2027-kalender\">Augustus<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/september-2027-kalender\">September<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/oktober-2027-kalender\">Oktober<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/november-2027-kalender\">November<\/a><a class=\"hck-month-pill\" href=\"https:\/\/www.colomio.com\/nl\/december-2027-kalender\">December<\/a><\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kalender 2027\u203aWeeknummers\u203a2027 Weeknummers 2027 Door Mathias Ziegler\u00b7Bijgewerkt : 30 mei 2026 Alle weken 2027 volgens ISO 8601 \u2014 weeknummer, data (ma\u2013zo), kwartaal en feestdagen in de week. Bekijk de weken \u2713 ISO 8601\u2713 52 weken\u2713 Met feestdagen Weken 2027 in het kort Het belangrijkste \ud83d\udcc552 weeksWeken 2027 in het kort \ud83e\udd47S1 : 4 januari 202710 &#8230; <a title=\"Weeknummers 2027\" class=\"read-more\" href=\"https:\/\/www.colomio.com\/nl\/weeknummers-2027\" aria-label=\"Lees meer over Weeknummers 2027\">Lees verder<\/a><\/p>\n","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_title":"Weeknummers 2027 \u2013 alle 52 weken (ISO 8601)","_yoast_wpseo_metadesc":"Alle weken 2027 (ISO 8601) met data ma\u2013zo, kwartalen en 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