Daylight saving time by country

Most areas in Europe and North America observe daylight saving time (DST), while most areas of Africa and Asia do not. In South America, most countries in the north of the continent near the Equator do not observe DST, while Paraguay and most of Chile do. The practice of observing daylight saving time in Oceania is also mixed, with New Zealand and parts of southeastern Australia observing DST, while most other areas do not.

Map of countries that use daylight saving time. Updated to date: March 8, 2020
Daylight saving time by country as of March 2020
  Northern Hemisphere summer
  Southern Hemisphere summer
  Never used daylight saving
  Formerly used daylight saving

Observance as of 2020
Country/Territory Continent/Subregion Hemisphere DST start
 DST end
 Notes[1]
 Afghanistan Asia Northern – – Does not observe DST.
 Akrotiri and Dhekelia (UK) Asia Northern Last Sunday March Last Sunday October Observed DST since 1939.
 Albania Europe Northern Last Sunday March Last Sunday October Observed DST in 1940–1943, and since 1974.
 Algeria Africa Northern – – Observed DST in 1916–1921, in the autumn of 1939, in 1944–1945, 1971, 1977–1978, and 1980–1981.
 American Samoa (US) Oceania Southern – – Does not observe DST.
 Andorra Europe Northern Last Sunday March Last Sunday October Observed DST since 1985.
 Angola Africa Southern – – Does not observe DST.
 Anguilla (UK) West Indies Northern – – Does not observe DST.
 Antigua and Barbuda West Indies Northern – – Does not observe DST.
 Argentina South America Southern – – Observed DST in 1900–1969, 1974, 1988–2000, and 2007–2009.
 Armenia Asia Northern – – Observed DST in 1981–1995, 1997–2011.[2]
 Aruba (NL) West Indies Northern – – Does not observe DST.
 Ascension (UK) Africa Southern – – Does not observe DST.
 Australia Oceania Southern First Sunday of October at 02:00 First Sunday of April at 02:00
Main article: Daylight saving time in Australia

DST used only in  Australian Capital Territory,  Jervis Bay Territory,  Lord Howe Island,  New South Wales,  South Australia,  Tasmania, and  Victoria.

 Austria Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918, 1920, 1940–1948 (as part of Germany between 1940–1945) and since 1980.
 Azerbaijan Asia & Europe Northern – – Observed DST in 1981–1989, 1990–1992 and 1996–2015.
 Bahamas, The West Indies Northern Second Sunday March First Sunday November Observed DST since 1964.
 Bahrain Asia Northern – – Does not observe DST.
 Baker Island (US) Oceania Northern – – Does not observe DST.
 Bangladesh Asia Northern – – Observed DST during World War 2 from 1942–1945 as a part of the Bengal Presidency of India. Also observed in 2009.
 Barbados West Indies Northern – – Observed DST from 1977–1980.
 Belarus Europe Northern – – Observed DST in 1941–1944, 1981–2010.
 Belgium Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1940, 1942–1946 and since 1977.
 Belize Central America Northern – – Observed DST in 1973–1974 and 1982–1983.
 Benin Africa Northern – – Does not observe DST.
 Bermuda (UK) Northern America Northern Second Sunday March First Sunday November Observed DST since 1974.
 Bhutan Asia Northern – – Does not observe DST.
 Bolivia South America Southern – – Observed DST in 1931–1932.
 Bonaire (NL) West Indies Northern – – Does not observe DST.
 Bosnia and Herzegovina Europe Northern Last Sunday March Last Sunday October Observed DST in 1916–1918 when it was a part of  Austria-Hungary, in 1941–1945 and since 1983 when it was part of the  Socialist Federal Republic of Yugoslavia.
 Botswana Africa Southern – – Observed DST in 1943–1944.
 Brazil South America Southern & Northern – – Observed DST in 1931–1933, 1949–1953, 1963–1968, and 1985–2019.
 British Virgin Islands (UK) West Indies Northern – – Does not observe DST.
 Brunei Asia Northern – – Does not observe DST.
 Bulgaria Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1943–1944 and since 1979.
 Burkina Faso Africa Northern – – Does not observe DST.
 Burundi Africa Southern – – Does not observe DST.
 Cambodia Asia Northern – – Does not observe DST.
 Cameroon Africa Northern – – Does not observe DST.
 Canada Northern America Northern Second Sunday March at 02:00 (for most of Canada) First Sunday November at 02:00 (for most of Canada)
Main article: Daylight saving time in Canada

Some regions in  Quebec, east of 63°W longitude, most of  Saskatchewan,  Yukon (uses DST all year round), and some areas in  British Columbia and  Nunavut (Southampton Island) do not observe DST. Saskatchewan, however, observes Central Time even though it geographically belongs in the Mountain Time Zone based on the longitude, meaning it effectively observes DST year round.[3]

 Cape Verde Africa Northern – – Observed DST in 1942–1945.
 Cayman Islands (UK) West Indies Northern – – Does not observe DST.
 Central African Republic Africa Northern – – Does not observe DST.
 Chad Africa Northern – – Observed DST in winter 1979–1980.
 Chile South America Southern First Sunday September First Sunday April Observed DST in 1927–1946 (excluding  Easter Island which observed it in 1932–1946) and from 1968–2015. Chile observed year-round DST in 2015, but reintroduced regular DST in 2016. Magallanes Region does not observe DST since December 2016.
 China Asia Northern – – Observed DST in 1940–1941 and 1986–1991. In 1980, its UTC+5, UTC+6, UTC+7, and UTC+9 zones (the entire country) all changed to UTC+8.
 Christmas Island (AU) Oceania Southern – – Does not observe DST.
 Cocos (Keeling) Islands (AU) Oceania Southern – – Does not observe DST.
 Colombia South America Northern & Southern – – Observed DST in 1992–1993.
 Comoros Africa Northern – – Does not observe DST.
 Cook Islands (NZ) Oceania Southern – – Observed DST in 1978–1991.
 Congo, Democratic Republic of the Africa Southern & Northern – – Does not observe DST.
 Congo, Republic of the Africa Southern & Northern – – Does not observe DST.
 Costa Rica Central America Northern – – Observed DST in 1954, 1979–1980 and 1991–1992.
 Croatia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918 when it was a part of  Austria-Hungary in 1941–1945 and since 1983.
 Cuba West Indies Northern Second Sunday March First Sunday November Observed DST in 1928, 1940–1942, 1945–1946, and since 1965.
 Curacao (NL) West Indies Northern – – Does not observe DST.
 Cyprus Asia Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST since 1975.  Northern Cyprus maintained permanent DST from September 2016 to October 2017.[4]
 Czechia (Czech Republic) Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918, 1940–1949, and since 1979.
 Denmark Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916, 1940–1948, and since 1980.
 Djibouti Africa Northern – – Does not observe DST.
 Dominica West Indies Northern – – Does not observe DST.
 Dominican Republic West Indies Northern – – Observed DST in 1966–1967, 1969–1974.
 East Timor Asia Southern – – Does not observe DST.
 Ecuador South America Southern & Northern – – Does not observe DST.
 Egypt Africa & Asia Northern – – Observed DST in 1940–1945, 1957–2010, and 2014–2015. An attempt to restore daylight saving after Ramadan was rejected by the Egyptian parliament on July 4, 2016 and currently has no plans to use DST in the future.
 El Salvador Central America Northern – – Observed DST in 1987–1988.
 Equatorial Guinea Africa Northern & Southern – – Does not observe DST.
 Eritrea Africa Northern – – Does not observe DST.
 Estonia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1918, 1940–1944, 1981–1988, 1997–1999, and since 2002.
 Eswatini (Swaziland) Africa Southern – – Does not observe DST.
 Ethiopia Africa Northern – – Does not observe DST.
 Faroe Islands (DK) Europe Northern Last Sunday March Last Sunday October Observed DST since 1981.
 Falkland Islands (UK) South America Southern – – Observed DST in 1937–1942 and 1983–2010.
 Fiji Oceania Southern First Sunday November Third Sunday January
Main article: Daylight saving time in Fiji

Observed DST in 1998–2000 and since 2009.

 Finland Europe Northern Last Sunday March Last Sunday October Observed DST in 1942 and since 1981.
 France Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1945 and since 1976.
 French Guiana (FR) South America Northern – – Does not observe DST.
 French Polynesia (FR) Oceania Southern – – Does not observe DST.
 French Southern Territories (FR) Africa Southern – – Does not observe DST.
 Gabon Africa Southern & Northern – – Does not observe DST.
 Gambia, The Africa Northern – – Does not observe DST.
 Georgia Asia & Europe Northern – – Observed DST in 1981–2005.
 Germany Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918, 1940–1949, and since 1980.
 Ghana Africa Northern – – Observed DST from 1936–1942.
 Greece Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1932-1952 and since 1975.
 Greenland (DK) Northern America Northern Saturday before last Sunday March at 22:00 local time on Saturday before last Sunday October at 23:00 local time on Observed DST since 1980.

Follows European Union practice as part of the Kingdom of Denmark, hence start & end times correspond to 01:00 UTC on the respective Sunday. See Daylight saving time in the Americas—Greenland Qaanaaq uses US and Canada rules. Danmarkshavn has not observed DST since 1995.

 Grenada West Indies Northern – – Does not observe DST.
 Guadeloupe (FR) West Indies Northern – – Does not observe DST.
 Guam (US) Oceania Northern – – Does not observe DST.
 Guatemala Central America Northern – – Observed DST in 1973–1974, 1983, 1991, and 2006.
Guernsey (UK) Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1968 and since 1972.
 Guinea Africa Northern – – Does not observe DST.
 Guinea-Bissau Africa Northern – – Does not observe DST.
 Guyana South America Northern – – Does not observe DST.
 Haiti West Indies Northern Second Sunday March First Sunday November Observed DST in 1983–1997, 2005–2006, 2012–2015, and since 2017.
 Heard and McDonald Islands (AU) Oceania Southern – – Does not observe DST.
  Holy See (Vatican City) Europe Northern Last Sunday March Last Sunday October Observed DST in 1916–1920, 1940–1948, and since 1966.
 Honduras Central America Northern – – Observed DST in 1987–1988 and 2006.
 Hong Kong (CN) Asia Northern – – Observed DST in 1941, 1945–1976, and 1979.
 Howland Island (US) Oceania Northern – – Does not observe DST.
 Hungary Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1920, 1941–1950, 1954–1957, and since 1980.

The government considered abolishing DST in 2017, moving Hungary to the UTC+02:00 (EET) year-round[5] but there are no official plans to do so yet. This would be problematic considering DST switch is coordinated on an EU level.

 Iceland Europe Northern – – Observed DST in 1917–1918 and 1939–1968.
 India Asia Northern – – Observed DST during World War 2 from 1942–1945.
 Indonesia Asia & Oceania Southern & Northern – – Jakarta observed DST in 1948–1950.
 Iraq Asia Northern – – Observed DST in 1982–2007.
 Iran Asia Northern March 21–22 September 21–22
Main article: Daylight saving time in Iran

Observed DST in 1977–1980, 1991–2005, and since 2008.

 Ireland Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1968 and since 1972.
 Isle of Man (UK) Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1968 and since 1972.
 Israel Asia Northern Friday before last Sunday March Last Sunday October
Main article: Israel Summer Time

Observed DST in 1940–1946, 1948–1957, 1974–1975, and since 1985.

 Italy Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1920, 1940–1948, and since 1966.
 Ivory Coast Africa Northern – – Does not observe DST.
 Jamaica West Indies Northern – – Observed DST in 1974–1983.
 Japan Asia Northern – – Observed DST in 1948–1951.
 Jersey (UK) Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1968 and since 1971.
 Jordan Asia Northern Last Friday March Last Friday October Observed DST in 1973–1979 and 1985–2011. In 2012 changed time zone to UTC+03:00, effectively going on permanent DST. Returned to UTC+02:00 on December 20, 2013, and has observed DST since 2014.
 Kazakhstan Asia & Europe Northern – – Observed DST in 1981–1990 and 1992–2004.
 Kenya Africa Northern & Southern – – Does not observe DST.
 Kiribati Oceania Southern & Northern – – Does not observe DST.
 Korea, Democratic People's Republic of Asia Northern – – Does not observe DST.
 Korea, Republic of Asia Northern – – Observed DST in 1948–1951, 1955–1960, and 1987–1988.
 Kosovo Europe Northern Last Sunday March Last Sunday October Observed DST since 1983.
 Kuwait Asia Northern – – Does not observe DST.
 Kyrgyzstan Asia Northern – – Observed DST in 1981–2005.
 Laos Asia Northern – – Does not observe DST.
 Latvia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1918–1919, 1941–1944, and since 1981.
 Lebanon Asia Northern Last Sunday March Last Sunday October Observed DST in 1920–1923, 1957–1961, 1972–1978, and since 1984.
 Lesotho Africa Southern – – Observed DST in 1943–1944.
 Liberia Africa Northern – – Does not observe DST.
 Libya Africa Northern – – Observed DST in 1951–1959, 1982–1989, 1996–1997, and 2012–2013.
 Liechtenstein Europe Northern Last Sunday March Last Sunday October Observed DST since 1981.
 Lithuania Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1941–1944, 1981–1999, and since 2003.
 Luxembourg Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1946 and since 1977.
 Macau (CN) Asia Northern – – Observed DST in 1961–1980.
 Madagascar Africa Southern – – Observed DST in 1954.
 Malawi Africa Southern – – Does not observe DST.
 Malaysia Asia Northern – – Observed DST in 1933–1981.

The time zone in Malaysia has changed and varied a lot in the past.

 Maldives Asia Northern & Southern – – Does not observe DST.
 Mali Africa Northern – – Does not observe DST.
 Malta Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1920, 1940–1948, and since 1966.
 Marshall Islands Oceania Northern – – Does not observe DST.
 Martinique (FR) West Indies Northern – – Observed DST in 1980. Currently Does not observe DST.
 Mauritania Africa Northern – – Does not observe DST.
 Mauritius Africa Southern – – Observed DST in 1982–1983 and 2008–2009.
 Mexico Central America Northern First Sunday April Last Sunday October
Main article: Daylight saving time in Mexico

Has observed DST since 1996, but  Baja California has observed DST since 1976.  Sonora discontinued the observance in 1997 and  Quintana Roo in 2014. Durango, Coahuila, Nuevo León and Tamaulipas observed DST in 1988. Locations less than 20 km from the US border use U.S. DST.  Baja California also uses the U.S. DST.[6]

 Micronesia, Federated States of Oceania Northern – – Does not observe DST.
 Midway Island (US) Oceania Northern – – Observed DST in 1956.
 Moldova Europe Northern Last Sunday March Last Sunday October Observed DST in 1932–1944, 1981–1989, and since 1991.
 Monaco Europe Northern Last Sunday March Last Sunday October Observed DST in 1916–1945 and since 1976.
 Mongolia Asia Northern – – Observed DST in 1983–1998, 2001–2006, and 2015–2016.
 Montenegro Europe Northern Last Sunday March Last Sunday October Observed DST 1941–1945 and since 1983 when it was part of the  Socialist Federal Republic of Yugoslavia.
 Montserrat (UK) West Indies Northern – – Does not observe DST.
 Morocco Africa Northern – – Observed DST in 1939–1945, 1950, 1967, 1974, 1974–1976, and 2008–2020. DST was stopped during Ramadan. Only areas controlled by  France used DST.
 Mozambique Africa Southern – – Does not observe DST.
 Myanmar (Burma) Asia Northern – – Does not observe DST.
 Namibia Africa Southern – – Observed DST in 1942–1943. Does not observe DST but implemented winter time in 1994 in all regions except Zambezi.[7]

DST was removed in 2017.

 Nauru Oceania Southern – – Does not observe DST.
   Nepal Asia Northern – – Does not observe DST.
 Netherlands Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1945 and since 1977.
 New Caledonia (FR) Oceania Southern – – Observed DST in 1977–1979 and 1996–1997.
 New Zealand Oceania Southern Last Sunday September First Sunday April Observed DST in 1927–1946 and since 1974.
 Nicaragua Central America Northern – – Observed DST in 1973–1975, 1979–1980, 1992–1994, and 2005–2006.
 Niger Africa Northern – – Does not observe DST.
 Nigeria Africa Northern – – Does not observe DST.
 Niue (NZ) Oceania Southern – – Does not observe DST.
 Norfolk Island (AU) Oceania Southern First Sunday of October at 2:00 am First Sunday of April at 2:00 am Observed DST in 1974–1975 and since 2019.[8]
 Northern Mariana Islands (US) Oceania Northern – – Does not observe DST.
 North Macedonia Europe Northern Last Sunday March Last Sunday October Observed DST in 1941–1945 and since 1983 when it was part of the  Socialist Federal Republic of Yugoslavia.
 Norway Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916, 1940–1945, 1959–1965, and since 1980.

Follows European Union practice, although not a member.

 Oman Asia Northern – – Does not observe DST.
 Pakistan Asia Northern – – Observed DST in 1942–1945 as a part of  British Raj. Also observed in 2002 and from 2008–2009.
 Palau Oceania Northern – – Does not observe DST.
 Palestine Asia Northern – – See Israel.
 Panama Central America & South America Northern – – Does not observe DST.
 Papua New Guinea Oceania Southern – – Does not observe DST.
 Paraguay South America Southern First Sunday October Fourth Sunday March Observed DST since 1975. Current start and end dates last updated in 2013.
 Peru South America Southern – – Observed DST in 1938–1940, 1986–1987, 1990, and 1994.
 Philippines Asia Northern – – Observed DST in 1936–1937, 1954, 1978, and 1990.
 Pitcairn Islands (UK) Oceania Southern – – Does not observe DST.
 Poland Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1919, 1940–1949, 1957–1964, and since 1977.
 Portugal Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1921, 1924, 1926–1929, 1931–1932, 1934–1949, 1951–1965, and since 1977.
 Puerto Rico (US) West Indies Northern – – Observed DST in 1942–1945.
 Qatar Asia Northern – – Does not observe DST.
 Romania Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC First time when DST was observed in Romania was in 1917, due to World War One.Observed DST in 1932–1939 and since 1979.
 Russia Europe & Asia Northern – – Observed DST in 1917–1919, 1921 (some areas), and 1981–2010. In 2011–2014, used permanent DST. In 2014, left permanent DST and switched to permanent standard time.[9]
 Rwanda Africa Southern – – Does not observe DST.
 Saba (NL) West Indies Northern – – Does not observe DST.
 Saint Barthélemy (FR) West Indies Northern – – Does not observe DST.
 Saint Helena (UK) Africa Southern – – Does not observe DST.
 Saint Kitts and Nevis West Indies Northern – – Does not observe DST.
 Saint Lucia West Indies Northern – – Does not observe DST.
 Saint Martin (FR) West Indies Northern – – Does not observe DST.
 Saint Pierre and Miquelon (FR) Northern America Northern Second Sunday March First Sunday November Observed DST since 1987.
 Saint Vincent and the Grenadines West Indies Northern – – Does not observe DST.
 Samoa Oceania Southern Last Sunday September First Sunday April
Main article: Daylight saving time in Samoa

Observed DST since 2010.

 San Marino Europe Northern Last Sunday March Last Sunday of October Observed DST in 1916–1920, 1940–1948, and since 1966.
 São Tomé and Príncipe Africa Northern & Southern – – Does not observe DST.
 Saudi Arabia Asia Northern – – Does not observe DST.
 Senegal Africa Northern – – Does not observe DST.
 Serbia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1941–1945 and since 1983 (did not observe DST as part of Yugoslavia, from 1918–1941, and 1945–1983).
[10]
 Seychelles Africa Southern – – Does not observe DST.
 Sierra Leone Africa Northern – – Observed DST in 1935–1942 and 1957–1962.
 Singapore Asia Northern – – Observed DST in 1933–1935 by adding 20 minutes to standard time. On January 1, 1936, country changed their time zone to UTC+07:20.[11]
 Sint Eustatius (NL) West Indies Northern – – Does not observe DST.
 Sint Maarten (NL) West Indies Northern – – Does not observe DST.
 Slovakia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918, 1940–1949, and since 1979.
 Slovenia Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1916–1918 when it was a part of  Austria-Hungary, in 1941–1945, and since 1983.
 Solomon Islands Oceania Southern – – Does not observe DST.
 Somalia Africa Northern & Southern – – Does not observe DST.
 South Africa Africa Southern – – Observed DST in 1942–1944.
 South Georgia and the South Sandwich Islands (UK) South America Southern – – Does not observe DST.
 South Sudan Africa Northern – – Observed DST in 1970–1985.
 Spain Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1917–1919, 1924, 1926–1929, 1937–1946, 1949, and since 1974. On  Canary Islands DST observed since 1980.
 Sri Lanka Asia Northern – – Observed DST during the Second World War, from 1942–1945 just as the rest of the Indian subcontinent.
 Sudan Africa Northern – – Observed DST in 1970–1985.
 Suriname South America Northern – – Does not observe DST.
 Sweden Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST 15 May–30 September 1916, in a test run.

Observed DST since 1980.
1980 first Sunday of April to last Sunday of September.
1981–1995 last Sunday of March to last Sunday of September.
Since 1996 last Sunday of March to last Sunday of October.

  Switzerland Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC Observed DST in 1941–1942 and since 1981.

Follows European Union practice, although not a member.

 Syria Asia Northern Last Friday March Last Friday October Observed DST in 1920–1923, 1962–1968, and since 1983.
 Taiwan Asia Northern – – Observed DST in 1945–1962, 1974, 1975, and 1979.
 Tajikistan Asia Northern – – Observed DST in 1981–1991.
 Tanzania Africa Southern – – Does not observe DST.
 Thailand Asia Northern – – Does not observe DST.
 Togo Africa Northern – – Does not observe DST.
 Tokelau (NZ) Oceania Southern – – Does not observe DST.
 Tonga Oceania Southern – – Observed DST from 1999–2002 and 2016–2017.
 Trinidad and Tobago West Indies Northern – – Does not observe DST.
 Tristan da Cunha (UK) Africa Southern – – Does not observe DST.
 Tunisia Africa Northern – – Observed DST in 1939–1945, 1977–1978, 1988–1990, and 2005–2008.
 Turkey Asia & Europe Northern – – Observed DST in 1916, 1920–1922, 1924–1925, 1940–1942, 1945–1951, 1962, 1964, 1970–1983, and 1985–2016.

Followed European Union practice, although was not a member. In 2016, Turkey adopted the new Turkey Time time zone (UTC+03:00).

 Turkmenistan Asia Northern – – Observed DST in 1981–1991.
 Turks and Caicos (UK) West Indies Northern Second Sunday March First Sunday November Observed DST in 1979–2015 and since 2018.
 Tuvalu Oceania Southern – – Does not observe DST.
 Uganda Africa Northern & Southern – – Does not observe DST.
 Ukraine Europe Northern Last Sunday March Last Sunday October Observed DST in 1941–1943, 1981–1989, and since 1992.

Follows European Union practice, although not a member.
Since 2014, Crimea and some locations in the East do not observe DST.

 United Arab Emirates Asia Northern – – Does not observe DST.
 United Kingdom Europe Northern Last Sunday March at 01:00 UTC Last Sunday October at 01:00 UTC
Main article: British Summer Time

Observed DST (commonly referred to as British Summer Time (BST)) since 1916.
Year-round Summer Time (BST) + Double Summer Time (BDST) 1940–1945.
Two-stage Double Summer Time (BDST) 1947.
Year-round Summer Time (BST) 1968–1971.

 United States Northern America & Oceania Northern Second Sunday March First Sunday November
Main article: Daylight saving time in the United States

 Arizona (except the  Navajo Nation) and  Hawaii do not use DST.[3]
Year-round DST observed 1942–1945 and 1974–1975.

 United States Virgin Islands (US) West Indies Northern – – Does not observe DST.
 Uruguay South America Southern – – Observed DST in 1923–1926, 1933–1943, 1959–1960, 1965–1970, 1972, 1974–1980, 1987–1993, and 2004–2015.[12]
 Uzbekistan Asia Northern – – Observed DST in 1981–1991.
 Vanuatu Oceania Southern – – Observed DST in 1983–1993.
 Venezuela South America Northern – – Does not observe DST.
 Vietnam Asia Northern – – Does not observe DST.
 Wallis and Futuna (FR) Oceania Southern – – Does not observe DST.
 Western Sahara Africa Northern May 31 Apr 19 Observed DST in 1976–1978, 2008–2020. DST stopped during Ramadan. Only areas controlled by  Italy used DST.
 Yemen Asia Northern – – Does not observe DST.
 Zambia Africa Southern – – Does not observe DST.
 Zimbabwe Africa Southern – – Does not observe DST.

Proposals to adopt or abolish daylight saving time

On 8 February 2018, the European Parliament voted to ask the European Commission to re-evaluate DST in Europe.[13] After a web survey giving high support of not adjusting clocks twice annually[14] on 12 September 2018, the European Commission decided to propose to put an end to seasonal clock changes (repealing Directive 2000/84/EC)[15] In order for this to be valid, the European Union legislative procedure must be followed, mainly that the Council of the European Union and the European Parliament must both approve the proposal.

See also

References
  1. "The World Clock". timeanddate.com. Retrieved 26 February 2013.. Detailed information about the history of DST in each country can be found under the relevant section of this website, and can be referred to for information in this chart unless otherwise specified.
  2. "Clock changes in Yerevan". World Clock. timeanddate.com. Retrieved 20 February 2013.
  3. "Sunday, March 10: Daylight Saving Time Begins in USA & Canada". Time Zone News. timeanddate.com. Retrieved 20 February 2013.
  4. Time Zone in North Nicosia, Northern Cyprus, Timeanddate.com.
  5. "Meglepő fordulat: eltörölhetik az óraátállítást". hvg.hu (in Hungarian). 2016-11-16. Retrieved 2020-06-18.
  6. "Hora Oficial en los Estados Unidos Mexicanos". Centro Naciona de Metrología. Retrieved 2014-05-01.
  7. "GRN evaluates winter time change". New Era. 24 March 2016. p. 1.
  8. "DST Begins in Australia and New Zealand".
  9. "Russia returns to permanent Standard Time". timeanddate.com. Retrieved 25 October 2014.
  10. "Serbia to legislate Daylight Saving Time, EU may end it - English - on B92.net".
  11. "Time zone in Singapore". Daylight Saving Time. timeanddate.com. Retrieved 21 February 2013.
  12. "No habrá cambio de hora este verano".
  13. "EU Parliament Votes to Re-Evaluate DST in Europe". www.timeanddate.com.
  14. Summertime Consultation: 84% want Europe to stop changing the clock
  15. State of the Union 2018: Q&A on the Commission's proposal to put an end to seasonal clock changes European Commission − Press Release (Strasbourg, 12 September 2018)
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