{"id":7864,"date":"2023-10-26T11:01:52","date_gmt":"2023-10-26T16:01:52","guid":{"rendered":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/%year%\/%monthnum%\/%day%\/most-countries-dont-observe-daylight-saving-time\/"},"modified":"2025-04-23T23:59:32","modified_gmt":"2025-04-24T03:59:32","slug":"most-countries-dont-observe-daylight-saving-time","status":"publish","type":"short-read","link":"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/2023\/10\/26\/most-countries-dont-observe-daylight-saving-time\/","title":{"rendered":"Most countries don\u2019t observe daylight saving time"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Most Europeans will adjust their clocks on Oct. 29 to \u201cfall back\u201d an hour, and most Americans will do the same on Nov. 5. But Europe and the United States are more the exception than the rule. Most countries do not observe daylight saving time \u2013 the practice of advancing and winding back clocks seasonally in the spring and fall.<\/p>\n\n\n<div style=\"border-width:1px;padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-top:var(--wp--preset--spacing--20);--block-gap: inherit\" class=\"wp-block-prc-block-collapsible has-background has-ui-beige-very-light-background-color has-border-color has-ui-beige-dark-border-color\" id=\"how-we-did-this\" data-wp-interactive=\"{&quot;namespace&quot;:&quot;prc-block\\\/collapsible&quot;}\" data-wp-context=\"{&quot;collapsibleId&quot;:&quot;how-we-did-this&quot;,&quot;isOpen&quot;:false}\" data-wp-class--is-open=\"context.isOpen\" data-wp-init--scroll-into-view=\"callbacks.onInitScrollIntoView\"><div class=\"wp-block-prc-block-collapsible__title\" data-wp-on--click=\"actions.onClick\"><div>How we did this<\/div><button class=\"wp-block-prc-block-collapsible__icon\"><span data-wp-bind--hidden=\"context.isOpen\"><i class=\"icon icon-library__light icon__circle-plus\"><svg style=\"width: 1em; height: 1em;\"><use xlink:href=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/plugins\/prc-icon-library\/build\/icons\/sprites\/light.svg#circle-plus\"><\/use><\/svg><\/i><\/span><span data-wp-bind--hidden=\"!context.isOpen\" hidden><i class=\"icon icon-library__light icon__circle-minus\"><svg style=\"width: 1em; height: 1em;\"><use xlink:href=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/plugins\/prc-icon-library\/build\/icons\/sprites\/light.svg#circle-minus\"><\/use><\/svg><\/i><\/span><\/button><\/div><div class=\"wp-block-prc-block-collapsible__content\">\n\n<p class=\"wp-block-paragraph\">With most Europeans and Americans getting ready to \u201cfall back\u201d an hour, Pew Research Center conducted this analysis to find out which countries observe daylight saving time (or otherwise change their clocks on a regular basis, even if they don\u2019t call it daylight saving time). We also examined the time zone(s) that each country uses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The bulk of this analysis focuses on the 193 countries that are United Nations member states. We also relied on the UN for any discussion of <a href=\"https:\/\/www.un.org\/dgacm\/en\/content\/regional-groups\">regional groupings<\/a> but used the <a href=\"https:\/\/datatopics.worldbank.org\/sdgatlas\/archive\/2017\/the-world-by-region.html\">World Bank\u2019s definition of North America<\/a>, which includes Canada and the U.S.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Information about daylight saving time and time zones comes primarily from cross-referencing three websites: the <a href=\"https:\/\/www.cia.gov\/the-world-factbook\/field\/capital\/\">CIA World Factbook<\/a>, <a href=\"https:\/\/clocks.world\/time\/\">Clocks.world<\/a> and <a href=\"https:\/\/time.is\/time_zones\">Time.is<\/a>. We also examined various news sources and government websites to confirm these findings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To calculate the percentage of the world\u2019s population in each time zone, we relied on population statistics compiled by the <a href=\"https:\/\/data.worldbank.org\/indicator\/SP.POP.TOTL\">World Bank<\/a>. For the small subset of places that have more than one time zone, we estimated the share of the population in each time zone based on government websites and data from <a href=\"https:\/\/www.citypopulation.de\/\">City Population<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For countries that follow daylight saving time or otherwise switch their clocks each year, the population analysis uses their standard or normal, non-daylight-saving time zone(s).<\/p>\n\n<\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">Here are seven facts about daylight saving time and time zones around the world:<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>Only about a third of the world\u2019s countries practice daylight saving time, and the vast majority of them are in Europe.<\/strong> Within Europe \u2013 as <a href=\"https:\/\/www.un.org\/dgacm\/en\/content\/regional-groups\">defined by the United Nations<\/a> \u2013 only Armenia, Azerbaijan, Belarus, Georgia, Iceland, Russia and Turkey do not practice daylight saving time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outside of Europe, daylight saving time is most common in North America \u2013 where parts of the U.S. and Canada use it \u2013 as well as Latin America and the Caribbean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Egypt stands out as the only African nation with daylight saving time.<\/p>\n\n\n\n<figure class=\"wp-block-image size-640-wide\"><a rel=\"attachment wp-att-9217\" href=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/2023\/10\/26\/most-countries-dont-observe-daylight-saving-time\/sr_23-10-26_timezones_1-png\/\"><img data-dominant-color=\"eff1f2\" data-has-transparency=\"false\" style=\"--dominant-color: #eff1f2;\" loading=\"lazy\" decoding=\"async\"  srcset=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?resize=480,356 480w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?resize=782,579 782w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?resize=960,711 960w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?resize=1200,889 1200w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?resize=1280,948 1280w\" sizes=\"(max-width: 480px) 480px, (max-width: 782px) 782px, 640px\" height=\"474\" width=\"640\" src=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_1.png?w=640\" alt=\"A map showing that most countries do not practice daylight saving time - but it's common in Europe.\" class=\"wp-image-9217 not-transparent\" \/><\/a><\/figure>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>About half of all countries in the world observed daylight saving time in the past but no longer do so.<\/strong> In the last decade alone, <a href=\"https:\/\/time.is\/time_zone_news\/azerbaijan_cancels_daylight_saving_time\">Azerbaijan<\/a>, <a href=\"https:\/\/ifpnews.com\/criticism-iran-govt-daylight-saving-time-law\/\">Iran<\/a>, <a href=\"https:\/\/www.thenationalnews.com\/mena\/2022\/10\/05\/jordan-scraps-clocks-moving-to-winter-time\/\">Jordan<\/a>, <a href=\"http:\/\/www.xinhuanet.com\/english\/2018-04\/03\/c_137086167.htm\">Namibia<\/a>, <a href=\"https:\/\/www.bbc.com\/news\/blogs-news-from-elsewhere-28423647\">Russia<\/a>, <a href=\"https:\/\/www.timeanddate.com\/news\/time\/samoa-removes-dst.html\">Samoa<\/a>, <a href=\"https:\/\/www.worldtimezone.com\/dst_news\/dst_news_syria07.html\">Syria<\/a>, <a href=\"https:\/\/www.dailysabah.com\/turkey\/turkey-will-not-turn-back-the-clock-for-daylight-saving-time\/news\">Turkey<\/a> and <a href=\"http:\/\/www.elobservador.com.uy\/gobierno-resolvio-que-no-habra-cambio-horario-verano-n656787\">Uruguay<\/a> have all ended their seasonal time changes. In 2022, <a href=\"https:\/\/www.theguardian.com\/world\/2022\/oct\/27\/mexico-votes-abolish-summer-time-daylight-savings\">the Mexican congress also voted to abolish summer time<\/a> in most of the country, though large Mexican cities near the U.S. border and a few other places are exempted.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Egypt has the unique distinction of having ended daylight saving within the last decade (2014) <em>and<\/em> bringing it back. This year, the country again adjusted its clocks in an <a href=\"https:\/\/www.reuters.com\/world\/africa\/egypt-use-daylight-saving-time-again-bid-save-energy-2023-03-01\/\">effort to save energy<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While most of Europe and the U.S. practice daylight saving time, some policymakers in the <a href=\"https:\/\/www.consilium.europa.eu\/en\/policies\/seasonal-time-changes\/\">European Commission<\/a> and in the <a href=\"https:\/\/thehill.com\/homenews\/nexstar_media_wire\/3880009-bill-to-make-daylight-saving-time-permanent-reintroduced-in-congress\/\">U.S. Congress<\/a> have proposed doing away with it.<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>Some countries, including the U.S., have daylight saving time in only part of the country.<\/strong> In the U.S., Hawaii and most of Arizona, as well as some territories, <a href=\"https:\/\/time.com\/5005600\/states-without-daylight-savings-time\/\">do not observe daylight saving time<\/a>. Australia, Brazil and Canada are similar. For example, <a href=\"https:\/\/www.australia.gov.au\/time-zones-and-daylight-saving\">in Australia<\/a>, daylight saving is not observed in Queensland, the Northern Territory, Western Australia, Christmas Island or the Cocos (Keeling) Islands.<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>Some countries have changed their time zones in the past decade for political or economic reasons.<\/strong> For example, President Nicol\u00e1s Maduro in Venezuela decided in 2016 to <a href=\"https:\/\/www.theguardian.com\/world\/2016\/apr\/15\/venezuela-half-hour-time-change-energy-consumption\">reverse his predecessor\u2019s time zone change<\/a> \u2013 which was intended to allow children to wake up for school in the daylight \u2013 because of concerns about electricity consumption.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In 2018, North Korean leader Kim Jong Un <a href=\"https:\/\/www.washingtonpost.com\/news\/worldviews\/wp\/2018\/05\/04\/the-brief-history-of-north-koreas-time-zone\/\">changed his country\u2019s clocks to match those of South Korea<\/a> in advance of a historic summit \u2013 reversing his 2015 decision to establish his own time zone, Pyongyang time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.stp-press.st\/2018\/12\/05\/governo-jesus-ja-decidiu-repor-hora-legal-sao-tomense\/\">S\u00e3o Tom\u00e9 and Pr\u00edncipe changed its time zone twice<\/a> \u2013 once in 2018 as part of a strategic development plan and again in 2019 under a new prime minister, restoring the previous time zone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bbc.com\/news\/world-africa-45995634\">Since 2018<\/a>, Morocco has also permanently been on daylight saving time (essentially switching its time zone from UTC+0 to UTC+1), <a href=\"https:\/\/www.moroccoworldnews.com\/2023\/03\/354531\/ramadan-dont-forget-to-switch-to-gmt-on-sunday-at-3-00-am\">changing its clocks based on Ramadan<\/a> rather than for summer and winter time.<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>The U.S. is one of the few countries with multiple time zones. <\/strong>Only around 20 countries in the world have more than one time zone \u2013 often because they administer overseas territories.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">France, for example, is <a href=\"https:\/\/www.guinnessworldrecords.com\/world-records\/584626-country-with-the-most-time-zones\">often cited as the country with the most time zones<\/a> \u2013 12 or 13, depending on the time of year. But everyone living in <a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/index.php?title=Glossary:Metropolitan_France\">metropolitan France<\/a> \u2013 the part of France located in Europe \u2013 resides within a single time zone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Russia <a href=\"https:\/\/www.indiatoday.in\/education-today\/gk-and-current-affairs\/story\/time-zones-270197-2015-10-28\">has the most <em>contiguous <\/em>time zones<\/a>, with 11.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The U.S., for its part, <a href=\"https:\/\/aa.usno.navy.mil\/faq\/us_tzones\">has nine time zones<\/a>, with six of them covering the 50 states and the remaining three applying to territories. And <a href=\"https:\/\/www.usatoday.com\/picture-gallery\/travel\/news\/2020\/02\/05\/us-time-zone-map-texas-alaska-florida-oregon-have-two\/41074419\/\">some U.S. states even have more than one time zone<\/a> within them.<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>The vast majority of countries are \u201con the hour,\u201d but a few are not. <\/strong>In most of the world, entering a new time zone means you only need to adjust the hour hand on your watch. But visiting a few countries requires you to adjust the minute hand, too.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Afghanistan (UTC+4.5), India (UTC+5.5), Iran (UTC+3.5), Myanmar (UTC+6.5) and Sri Lanka (UTC+5.5) are all on the half hour, while <a href=\"https:\/\/www.bbc.com\/news\/world-asia-33815153\">Nepal (UTC+5.75) is on the 45-minute mark<\/a> relative to most other time zones. (UTC is <a href=\"https:\/\/www.nhc.noaa.gov\/aboututc.shtml\">Universal Time Coordinated<\/a> or Coordinated Universal Time and was called Greenwich Mean Time, or GMT, prior to 1972.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Also, <a href=\"https:\/\/www.australia.gov.au\/time-zones-and-daylight-saving\">Australia<\/a> and <a href=\"https:\/\/nrc.canada.ca\/en\/certifications-evaluations-standards\/canadas-official-time\/time-zones-daylight-saving-time\">Canada<\/a> each have some places that are on the hour and some that are on the half hour. In <a href=\"https:\/\/www.govt.nz\/browse\/recreation-and-the-environment\/daylight-saving\/governing-legislation\/\">New Zealand<\/a>, most of the country is on the hour, but the Chatham Islands are on the 45-minute mark.<\/p>\n\n\n\n<p class=\"is-style-has-big-number wp-block-paragraph\"><strong>If you want to schedule a meeting that\u2019s convenient for the most people on Earth, consider using the UTC+8 time zone. <\/strong>Around a fifth of the world\u2019s population lives in this time zone, which includes all of China. UTC+8 also includes all or part of other populous countries such as the Philippines, Indonesia and Australia, among other places.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another good option for your meeting would be UTC+5.5, the time zone that includes India \u2013 <a href=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/2023\/02\/09\/key-facts-as-india-surpasses-china-as-the-worlds-most-populous-country\/\">the world\u2019s most populous nation<\/a> \u2013 along with Sri Lanka. This time zone is home to about 18% of the world\u2019s population.<\/p>\n\n\n\n<figure class=\"wp-block-image size-640-wide\"><a rel=\"attachment wp-att-9221\" href=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/short-reads\/2023\/10\/26\/most-countries-dont-observe-daylight-saving-time\/sr_23-10-26_timezones_2-png\/\"><img data-dominant-color=\"e3ddcf\" data-has-transparency=\"false\" style=\"--dominant-color: #e3ddcf;\" loading=\"lazy\" decoding=\"async\"  srcset=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?resize=480,388 480w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?resize=782,632 782w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?resize=960,776 960w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?resize=1200,969 1200w, https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?resize=1280,1034 1280w\" sizes=\"(max-width: 480px) 480px, (max-width: 782px) 782px, 640px\" height=\"517\" width=\"640\" src=\"https:\/\/alpha.pewresearch.org\/pewresearch-org\/wp-content\/uploads\/sites\/20\/2023\/10\/SR_23.10.26_TimeZones_2.png?w=640\" alt=\"A chart showing that around 1 in 5 people in the world live in a single time zone: UTC+8.\" class=\"wp-image-9221 not-transparent\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Only about a third of the world\u2019s countries practice daylight saving time, and the vast majority of them are in Europe.<\/p>\n","protected":false},"author":658,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"sub_headline":"","sub_title":"","_crdt_document":"","_prc_public_revisions":[],"_ppp_expiration_hours":0,"_ppp_enabled":false,"ai_generated_summary":"","apple_news_api_created_at":"2023-10-26T15:02:04Z","apple_news_api_id":"199a1364-03c6-4080-b9f7-9ef0827c93ef","apple_news_api_modified_at":"2023-10-26T15:02:05Z","apple_news_api_revision":"AAAAAAAAAAD\/\/\/\/\/\/\/\/\/\/w==","apple_news_api_share_url":"https:\/\/apple.news\/AGZoTZAPGQIC5957wgnyT7w","apple_news_cover_media_provider":"image","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_cover_video_id":0,"apple_news_cover_video_url":"","apple_news_cover_embedwebvideo_url":"","apple_news_is_hidden":"","apple_news_is_paid":"","apple_news_is_preview":"","apple_news_is_sponsored":"","apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":[],"apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"relatedPosts":[],"_prc_fork_parent":0,"_prc_fork_status":"","_prc_active_fork":0,"datacite_doi":"","datacite_doi_citation":"","_prc_seo_qr_attachment_id":0,"spoken_article_player_enabled":true,"bylines":[{"key":"_old1o3y4b","termId":954},{"key":"_xvmflt11v","termId":633},{"key":"_ul1yvexqi","termId":578}],"acknowledgements":[],"displayBylines":true,"footnotes":"","prc_watchers":[]},"categories":[37],"bylines":[578,633,954],"collection":[],"datasets":[],"_post_visibility":[],"formats":[467],"_fund_pool":[],"languages":[],"regions-countries":[514,505],"research-teams":[525],"workflow-status":[],"class_list":["post-7864","short-read","type-short-read","status-publish","hentry","category-other-topics","bylines-jenn-hatfield","bylines-laura-clancy","bylines-laura-silver","formats-short-read","regions-countries-international","regions-countries-multiple-regions-worldwide","research-teams-global"],"label":"Short 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