Arizona time zone gmt3/31/2024 In 2018, North Korean leader Kim Jong Un changed his country’s clocks to match those of South Korea in advance of a historic summit – reversing his 2015 decision to establish his own time zone, Pyongyang time. For example, President Nicolás Maduro in Venezuela decided in 2016 to reverse his predecessor’s time zone change – which was intended to allow children to wake up for school in the daylight – because of concerns about electricity consumption. Some countries have changed their time zones in the past decade for political or economic reasons. For example, in Australia, daylight saving is not observed in Queensland, the Northern Territory, Western Australia, Christmas Island or the Cocos (Keeling) Islands. Australia, Brazil and Canada are similar. In the U.S., Hawaii and most of Arizona, as well as some territories, do not observe daylight saving time. Some countries, including the U.S., have daylight saving time in only part of the country. Congress have proposed doing away with it. practice daylight saving time, some policymakers in the European Commission and in the U.S. This year, the country again adjusted its clocks in an effort to save energy. border and a few other places are exempted.Įgypt has the unique distinction of having ended daylight saving within the last decade (2014) and bringing it back. In 2022, the Mexican congress also voted to abolish summer time in most of the country, though large Mexican cities near the U.S. In the last decade alone, Azerbaijan, Iran, Jordan, Namibia, Russia, Samoa, Syria, Turkey and Uruguay have all ended their seasonal time changes. and Canada use it – as well as Latin America and the Caribbean.Įgypt stands out as the only African nation with daylight saving time.Ībout half of all countries in the world observed daylight saving time in the past but no longer do so. Outside of Europe, daylight saving time is most common in North America – where parts of the U.S. Within Europe – as defined by the United Nations – only Armenia, Azerbaijan, Belarus, Georgia, Iceland, Russia and Turkey do not practice daylight saving time. Only about a third of the world’s countries practice daylight saving time, and the vast majority of them are in Europe. Here are seven facts about daylight saving time and time zones around the world: 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 City Population.įor 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). To calculate the percentage of the world’s population in each time zone, we relied on population statistics compiled by the World Bank. We also examined various news sources and government websites to confirm these findings. ![]() Information about daylight saving time and time zones comes primarily from cross-referencing three websites: the CIA World Factbook, Clocks.world and Time.is. We also relied on the UN for any discussion of regional groupings but used the World Bank’s definition of North America, which includes Canada and the U.S. The bulk of this analysis focuses on the 193 countries that are United Nations member states. ![]() We also examined the time zone(s) that each country uses. With most Europeans and Americans getting ready to “fall back” 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’t call it daylight saving time).
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