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Time.is

Daylight Saving Time 2021

Will the time be set backwards or forwards? When? Where? This page lists all daylight saving time changes and other time zone changes around the world for 2021.

The next event happens on October 31, 2021, when DST ends in Zona Pacífico, except Sonora.

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Sunday 14 March

Saint Pierre and Miquelon

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Saint Pierre and Miquelon Standard Time (PMST / UTC -3)
  • After: Saint Pierre and Miquelon Daylight Time (PMDT / UTC -2)
  • Transition time: 2021-03-14 05:00 UTC
More info

Cuba

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Cuba Standard Time (CST / UTC -5)
  • After: Cuba Daylight Time (CDT / UTC -4)
  • Transition time: 2021-03-14 05:00 UTC
  • Applies to all of Cuba, including Havana, Santa Clara and Santiago de Cuba.
More info

Bermuda

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Atlantic Standard Time (AST / UTC -4)
  • After: Atlantic Daylight Time (ADT / UTC -3)
  • Transition time: 2021-03-14 06:00 UTC
  • Applies to all of Bermuda.
More info

Thule, Greenland

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Atlantic Standard Time (AST / UTC -4)
  • After: Atlantic Daylight Time (ADT / UTC -3)
  • Transition time: 2021-03-14 06:00 UTC
  • Applies to all of Thule.
More info

United States

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
United States has 11 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of United States, but not simultaneously, due to different time zones.

Eastern Time

  • Before: Eastern Standard Time (EST / UTC -5)
  • After: Eastern Daylight Time (EDT / UTC -4)
  • Transition time: 2021-03-14 07:00 UTC
  • Applies to regions that alternate between EST and EDT, including Miami, New York, Philadelphia and Washington, D.C..

Central Time

  • Before: Central Standard Time (CST / UTC -6)
  • After: Central Daylight Time (CDT / UTC -5)
  • Transition time: 2021-03-14 08:00 UTC
  • Applies to regions that alternate between CST and CDT, including Austin, Chicago, Dallas, Houston and San Antonio.

Mountain Time

  • Before: Mountain Standard Time (MST / UTC -7)
  • After: Mountain Daylight Time (MDT / UTC -6)
  • Transition time: 2021-03-14 09:00 UTC
  • Applies to regions that alternate between MST and MDT, including Albuquerque, Denver and El Paso.

Pacific Time

Alaska Time

  • Before: Alaska Standard Time (AKST / UTC -9)
  • After: Alaska Daylight Time (AKDT / UTC -8)
  • Transition time: 2021-03-14 11:00 UTC
  • Applies to regions that alternate between AKST and AKDT, including Anchorage, Fairbanks and Juneau.

Alaska: Islands west of -169.5°

  • Before: Hawaii-Aleutian Standard Time (HAST / UTC -10)
  • After: Hawaii-Aleutian Daylight Time (HADT / UTC -9)
  • Transition time: 2021-03-14 12:00 UTC
More info

Canada

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
Canada has 6 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Canada, but not simultaneously, due to different time zones.

Newfoundland Time

  • Before: Newfoundland Standard Time (NST / UTC -3:30)
  • After: Newfoundland Daylight Time (NDT / UTC -2:30)
  • Transition time: 2021-03-14 05:30 UTC

Atlantic Time

  • Before: Atlantic Standard Time (AST / UTC -4)
  • After: Atlantic Daylight Time (ADT / UTC -3)
  • Transition time: 2021-03-14 06:00 UTC
  • Applies to regions that alternate between AST and ADT, including New Brunswick, Nova Scotia and Prince Edward Island.

Eastern Time

  • Before: Eastern Standard Time (EST / UTC -5)
  • After: Eastern Daylight Time (EDT / UTC -4)
  • Transition time: 2021-03-14 07:00 UTC
  • Applies to regions that alternate between EST and EDT, including Montreal, Ottawa and Toronto.

Central Time

  • Before: Central Standard Time (CST / UTC -6)
  • After: Central Daylight Time (CDT / UTC -5)
  • Transition time: 2021-03-14 08:00 UTC
  • Applies to regions that alternate between CST and CDT, including Manitoba.

Mountain Time

  • Before: Mountain Standard Time (MST / UTC -7)
  • After: Mountain Daylight Time (MDT / UTC -6)
  • Transition time: 2021-03-14 09:00 UTC
  • Applies to regions that alternate between MST and MDT, including Calgary and Edmonton.

Pacific Time

  • Before: Pacific Standard Time (PST / UTC -8)
  • After: Pacific Daylight Time (PDT / UTC -7)
  • Transition time: 2021-03-14 10:00 UTC
  • Applies to regions that alternate between PST and PDT, including Burnaby, Okanagan, Surrey, Vancouver and Victoria.
More info

Bahamas

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Eastern Standard Time (EST / UTC -5)
  • After: Eastern Daylight Time (EDT / UTC -4)
  • Transition time: 2021-03-14 07:00 UTC
  • Applies to all of Bahamas, including Nassau.
More info

Haiti

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Eastern Standard Time (EST / UTC -5)
  • After: Eastern Daylight Time (EDT / UTC -4)
  • Transition time: 2021-03-14 07:00 UTC
  • Applies to all of Haiti, including Port-au-Prince.
More info

Turks and Caicos Islands

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Eastern Standard Time (EST / UTC -5)
  • After: Eastern Daylight Time (EDT / UTC -4)
  • Transition time: 2021-03-14 07:00 UTC
  • Applies to all of Turks and Caicos Islands, including Cockburn Town.
More info

Mexico (the state of Baja California and areas near the United States border)

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
Mexico has 4 time zones. All of Mexico except the states of Quintana Roo and Sonora observe DST in the summer. The state of Baja California and areas near the United States border follow the same DST schedule as the United States, while other DST-observing areas observe DST from 02:00 on the first Sunday of April until 02:00 on the last Sunday of October.

Zona Noroeste

  • Before: Pacific Standard Time (PST / UTC -8)
  • After: Pacific Daylight Time (PDT / UTC -7)
  • Transition time: 2021-03-14 10:00 UTC
  • Applies to US border regions that alternate between PST and PDT, including Ensenada, Mexicali and Tijuana.

US border regions in Zona Centro

  • Before: Central Standard Time (CST / UTC -6)
  • After: Central Daylight Time (CDT / UTC -5)
  • Transition time: 2021-03-14 08:00 UTC
  • Applies to US border regions that alternate between CST and CDT, including Matamoros, Nuevo Laredo and Reynosa.

US border regions in Zona Pacífico

  • Before: Mountain Standard Time (MST / UTC -7)
  • After: Mountain Daylight Time (MDT / UTC -6)
  • Transition time: 2021-03-14 09:00 UTC
  • Applies to US border regions that alternate between MST and MDT, including Ciudad Juárez.
More info
Monday 22 March

Iran

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Iran Standard Time (IRST / UTC +3:30)
  • After: Iran Daylight Time (IRDT / UTC +4:30)
  • Transition time: 2021-03-21 20:30 UTC
  • Applies to all of Iran, including Tehran.
More info
Friday 26 March

Jordan

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Arabia Standard Time (AST / UTC +2)
  • After: Arabia Daylight Time (ADT / UTC +3)
  • Transition time: 2021-03-25 22:00 UTC
  • Applies to all of Jordan, including Amman.
More info

Syria

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Arabia Standard Time (AST / UTC +2)
  • After: Arabia Daylight Time (ADT / UTC +3)
  • Transition time: 2021-03-25 22:00 UTC
  • Applies to all of Syria, including Damascus.
More info

Israel

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Israel Standard Time (IST / UTC +2)
  • After: Israel Daylight Time (IDT / UTC +3)
  • Transition time: 2021-03-26 00:00 UTC
  • Applies to all of Israel, including Haifa, Jerusalem and Tel Aviv.
More info
Saturday 27 March

Palestine

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Arabia Standard Time (AST / UTC +2)
  • After: Arabia Daylight Time (ADT / UTC +3)
  • Transition time: 2021-03-26 22:00 UTC
  • Applies to all of Palestine, including Gaza, Hebron and West Bank.
More info

Western Greenland

Summer time started
The time was set forward one hour from 22:00 to 23:00 local time.
  • Before: Western Greenland Time (WGT / UTC -3)
  • After: Western Greenland Summer Time (WGST / UTC -2)
  • Transition time: 2021-03-28 01:00 UTC
  • Applies to regions that alternate between WGT and WGST, including Nuuk.
More info
Sunday 28 March

Lebanon

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Arabia Standard Time (AST / UTC +2)
  • After: Arabia Daylight Time (ADT / UTC +3)
  • Transition time: 2021-03-27 22:00 UTC
  • Applies to all of Lebanon, including Beirut.
More info

Moldova

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Eastern European Time (EET / UTC +2)
  • After: Eastern European Summer Time (EEST / UTC +3)
  • Transition time: 2021-03-28 00:00 UTC
  • Applies to all of Moldova, including Chişinău.
  • Moldova changes to summer time one hour before the rest of Europe.
More info

Most of Eastern Europe

Summer time started
The time was set forward one hour from 03:00 to 04:00 local time.
  • Before: Eastern European Time (EET / UTC +2)
  • After: Eastern European Summer Time (EEST / UTC +3)
  • Transition time: 2021-03-28 01:00 UTC
  • Applies to Bulgaria, Cyprus, Estonia, Finland, Greece, Latvia, Lithuania, Romania, Ukraine and Åland.
  • Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
More info

Most of Europe

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
More info

Paraguay

Winter time started
The time was set back one hour from 00:00 to 23:00 local time.
  • Before: Paraguay Summer Time (PYST / UTC -3)
  • After: Paraguay Time (PYT / UTC -4)
  • Transition time: 2021-03-28 03:00 UTC
  • Applies to all of Paraguay, including Asunción.
More info

United Kingdom

Summer time started
The time was set forward one hour from 01:00 to 02:00 local time.
More info

Ireland

Summer time started
The time was set forward one hour from 01:00 to 02:00 local time.
  • Before: Greenwich Mean Time (GMT / UTC +0)
  • After: Irish Standard Time (IST / UTC +1)
  • Transition time: 2021-03-28 01:00 UTC
  • Applies to all of Ireland, including Cork, Dublin, Dun Laoghaire and Limerick.
  • Contrary to other locations that observe daylight saving time, Ireland has daylight saving time in the winter, and standard time in the summer. Winter time is still one hour behind summer time.
More info

Canary Islands, Faroe Islands and Portugal

Summer time started
The time was set forward one hour from 01:00 to 02:00 local time.
More info

Azores, Portugal

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Azores Time (AZOT / UTC -1)
  • After: Azores Summer Time (AZOST / UTC +0)
  • Transition time: 2021-03-28 01:00 UTC
  • Applies to all of Azores, including Angra do Heroísmo, Horta and Ponta Delgada.
  • Azores changes time simultaneously with the rest of Portugal, but the local time of Azores is one hour behind Portugal.
More info

Eastern Greenland

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Eastern Greenland Time (EGT / UTC -1)
  • After: Eastern Greenland Summer Time (EGST / UTC +0)
  • Transition time: 2021-03-28 01:00 UTC
  • Applies to regions that alternate between EGT and EGST, including Ittoqqortoormiit.
More info

Troll research station, Antarctica

Summer time started
The time was set forward two hours from 01:00 to 03:00 local time.
  • Before: Coordinated Universal Time (UTC / UTC +0)
  • After: Central European Summer Time (CEST / UTC +2)
  • Transition time: 2021-03-28 01:00 UTC
More info
Saturday 3 April

Easter Island, Valparaíso, Chile

Winter time started
The time was set back one hour from 22:00 to 21:00 local time.
  • Before: Easter Island Daylight Time (EADT / UTC -5)
  • After: Easter Island Standard Time (EAST / UTC -6)
  • Transition time: 2021-04-04 03:00 UTC
  • Easter Island changes time simultaneously with the rest of Chile, but the local time of Easter Island is two hours behind Chile.
More info
Sunday 4 April

Chatham Islands, New Zealand

Winter time started
The time was set back one hour from 03:45 to 02:45 local time.
  • Before: Chatham Daylight Time (CHADT / UTC +13:45)
  • After: Chatham Standard Time (CHAST / UTC +12:45)
  • Transition time: 2021-04-03 14:00 UTC
More info

New Zealand

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
  • Before: New Zealand Daylight Time (NZDT / UTC +13)
  • After: New Zealand Standard Time (NZST / UTC +12)
  • Transition time: 2021-04-03 14:00 UTC
  • Applies to all of New Zealand, including Auckland, Christchurch and Wellington.
  • Does not apply to dependent territories and outlying islands.
More info

Norfolk Island

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
More info

Lord Howe Island, New South Wales, Australia

Winter time started
The time was set back half an hour from 02:00 to 01:30 local time.
  • Before: Lord Howe Daylight Time (LHDT / UTC +11)
  • After: Lord Howe Standard Time (LHST / UTC +10:30)
  • Transition time: 2021-04-03 15:00 UTC
More info

Australia

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
Australia has 9 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Australia, but not simultaneously, due to different time zones.

Australian Eastern Time

  • Before: Australian Eastern Daylight Time (AEDT / UTC +11)
  • After: Australian Eastern Standard Time (AEST / UTC +10)
  • Transition time: 2021-04-03 16:00 UTC
  • Applies to regions that alternate between AEST and AEDT, including Canberra, Melbourne, Newcastle, Sydney and Wollongong.

Australian Central Time

  • Before: Australian Central Daylight Time (ACDT / UTC +10:30)
  • After: Australian Central Standard Time (ACST / UTC +9:30)
  • Transition time: 2021-04-03 16:30 UTC
  • Applies to regions that alternate between ACST and ACDT, including Adelaide.
More info

Chile

Winter time started
The time was set back one hour from 00:00 to 23:00 local time.
  • Before: Chile Daylight Time (CLDT / UTC -3)
  • After: Chile Standard Time (CLT / UTC -4)
  • Transition time: 2021-04-04 03:00 UTC
  • Applies to all of Chile, including Antofagasta, Puente Alto, Santiago, Valparaíso and Viña del Mar.
  • Easter Island changes time simultaneously with the rest of Chile, but the local time of Easter Island is two hours behind Chile.
More info

Mexico (except Quintana Roo, Sonora, Baja California and areas near the United States border)

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
Mexico has 4 time zones. All of Mexico except the states of Quintana Roo and Sonora observe DST in the summer. The state of Baja California and areas near the United States border follow the same DST schedule as the United States, while other DST-observing areas observe DST from 02:00 on the first Sunday of April until 02:00 on the last Sunday of October.

Zona Centro

Zona Pacífico, except Sonora

  • Before: Mountain Standard Time (MST / UTC -7)
  • After: Mountain Daylight Time (MDT / UTC -6)
  • Transition time: 2021-04-04 09:00 UTC
  • Applies to regions that alternate between MST and MDT, including Chihuahua, Culiacán and Mazatlán.
More info
Sunday 11 April

Morocco and Western Sahara

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
  • Before: West Africa Time (WAT / UTC +1)
  • After: Greenwich Mean Time (GMT / UTC +0)
  • Transition time: 2021-04-11 02:00 UTC
  • Applies to all of Morocco and Western Sahara, including Casablanca, Marrakesh and Rabat.
  • Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
More info
Sunday 16 May

Morocco and Western Sahara

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: Greenwich Mean Time (GMT / UTC +0)
  • After: West Africa Time (WAT / UTC +1)
  • Transition time: 2021-05-16 02:00 UTC
  • Applies to all of Morocco and Western Sahara, including Casablanca, Marrakesh and Rabat.
  • Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
More info
Saturday 4 September

Easter Island, Valparaíso, Chile

Summer time started
The time was set forward one hour from 22:00 to 23:00 local time.
  • Before: Easter Island Standard Time (EAST / UTC -6)
  • After: Easter Island Daylight Time (EADT / UTC -5)
  • Transition time: 2021-09-05 04:00 UTC
  • Easter Island changes time simultaneously with the rest of Chile, but the local time of Easter Island is two hours behind Chile.
More info
Sunday 5 September

Chile

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Chile Standard Time (CLT / UTC -4)
  • After: Chile Daylight Time (CLDT / UTC -3)
  • Transition time: 2021-09-05 04:00 UTC
  • Applies to all of Chile, including Antofagasta, Puente Alto, Santiago, Valparaíso and Viña del Mar.
  • Easter Island changes time simultaneously with the rest of Chile, but the local time of Easter Island is two hours behind Chile.
More info
Wednesday 22 September

Iran

Winter time started
The time was set back one hour from 00:00 to 23:00 local time.
  • Before: Iran Daylight Time (IRDT / UTC +4:30)
  • After: Iran Standard Time (IRST / UTC +3:30)
  • Transition time: 2021-09-21 19:30 UTC
  • Applies to all of Iran, including Tehran.
More info
Sunday 26 September

Chatham Islands, New Zealand

Summer time started
The time was set forward one hour from 02:45 to 03:45 local time.
  • Before: Chatham Standard Time (CHAST / UTC +12:45)
  • After: Chatham Daylight Time (CHADT / UTC +13:45)
  • Transition time: 2021-09-25 14:00 UTC
More info

New Zealand

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
  • Before: New Zealand Standard Time (NZST / UTC +12)
  • After: New Zealand Daylight Time (NZDT / UTC +13)
  • Transition time: 2021-09-25 14:00 UTC
  • Applies to all of New Zealand, including Auckland, Christchurch and Wellington.
  • Does not apply to dependent territories and outlying islands.
More info
Sunday 3 October

Norfolk Island

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
More info

Lord Howe Island, New South Wales, Australia

Summer time started
The time was set forward half an hour from 02:00 to 02:30 local time.
  • Before: Lord Howe Standard Time (LHST / UTC +10:30)
  • After: Lord Howe Daylight Time (LHDT / UTC +11)
  • Transition time: 2021-10-02 15:30 UTC
More info

Australia

Summer time started
The time was set forward one hour from 02:00 to 03:00 local time.
Australia has 9 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Australia, but not simultaneously, due to different time zones.

Australian Eastern Time

  • Before: Australian Eastern Standard Time (AEST / UTC +10)
  • After: Australian Eastern Daylight Time (AEDT / UTC +11)
  • Transition time: 2021-10-02 16:00 UTC
  • Applies to regions that alternate between AEST and AEDT, including Canberra, Melbourne, Newcastle, Sydney and Wollongong.

Australian Central Time

  • Before: Australian Central Standard Time (ACST / UTC +9:30)
  • After: Australian Central Daylight Time (ACDT / UTC +10:30)
  • Transition time: 2021-10-02 16:30 UTC
  • Applies to regions that alternate between ACST and ACDT, including Adelaide.
More info

Paraguay

Summer time started
The time was set forward one hour from 00:00 to 01:00 local time.
  • Before: Paraguay Time (PYT / UTC -4)
  • After: Paraguay Summer Time (PYST / UTC -3)
  • Transition time: 2021-10-03 04:00 UTC
  • Applies to all of Paraguay, including Asunción.
More info
Friday 29 October

Syria

Winter time started
The time was set back one hour from 00:00 to 23:00 local time.
  • Before: Arabia Daylight Time (ADT / UTC +3)
  • After: Arabia Standard Time (AST / UTC +2)
  • Transition time: 2021-10-28 21:00 UTC
  • Applies to all of Syria, including Damascus.
More info

Jordan

Winter time started
The time was set back one hour from 01:00 to 00:00 local time.
  • Before: Arabia Daylight Time (ADT / UTC +3)
  • After: Arabia Standard Time (AST / UTC +2)
  • Transition time: 2021-10-28 22:00 UTC
  • Applies to all of Jordan, including Amman.
More info
Saturday 30 October

Palestine

Winter time started
The time was set back one hour from 01:00 to 00:00 local time.
  • Before: Arabia Daylight Time (ADT / UTC +3)
  • After: Arabia Standard Time (AST / UTC +2)
  • Transition time: 2021-10-29 22:00 UTC
  • Applies to all of Palestine, including Gaza, Hebron and West Bank.
More info

Western Greenland

Winter time started
The time was set back one hour from 23:00 to 22:00 local time.
  • Before: Western Greenland Summer Time (WGST / UTC -2)
  • After: Western Greenland Time (WGT / UTC -3)
  • Transition time: 2021-10-31 01:00 UTC
  • Applies to regions that alternate between WGT and WGST, including Nuuk.
More info
Sunday 31 October

Lebanon

Winter time started
The time was set back one hour from 00:00 to 23:00 local time.
  • Before: Arabia Daylight Time (ADT / UTC +3)
  • After: Arabia Standard Time (AST / UTC +2)
  • Transition time: 2021-10-30 21:00 UTC
  • Applies to all of Lebanon, including Beirut.
More info

Israel

Winter time started
The time was set back one hour from 02:00 to 01:00 local time.
  • Before: Israel Daylight Time (IDT / UTC +3)
  • After: Israel Standard Time (IST / UTC +2)
  • Transition time: 2021-10-30 23:00 UTC
  • Applies to all of Israel, including Haifa, Jerusalem and Tel Aviv.
More info

Moldova

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
  • Before: Eastern European Summer Time (EEST / UTC +3)
  • After: Eastern European Time (EET / UTC +2)
  • Transition time: 2021-10-31 00:00 UTC
  • Applies to all of Moldova, including Chişinău.
  • Moldova changes to winter time one hour before the rest of Europe.
More info

Most of Eastern Europe

Winter time started
The time was set back one hour from 04:00 to 03:00 local time.
  • Before: Eastern European Summer Time (EEST / UTC +3)
  • After: Eastern European Time (EET / UTC +2)
  • Transition time: 2021-10-31 01:00 UTC
  • Applies to Bulgaria, Cyprus, Estonia, Finland, Greece, Latvia, Lithuania, Romania, Ukraine and Åland.
  • Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
More info

Most of Europe

Winter time started
The time was set back one hour from 03:00 to 02:00 local time.
More info

United Kingdom

Winter time started
The time was set back one hour from 02:00 to 01:00 local time.
More info

Ireland

Winter time started
The time was set back one hour from 02:00 to 01:00 local time.
  • Before: Irish Standard Time (IST / UTC +1)
  • After: Greenwich Mean Time (GMT / UTC +0)
  • Transition time: 2021-10-31 01:00 UTC
  • Applies to all of Ireland, including Cork, Dublin, Dun Laoghaire and Limerick.
  • Contrary to other locations that observe daylight saving time, Ireland has daylight saving time in the winter, and standard time in the summer. Winter time is still one hour behind summer time.
More info

Canary Islands, Faroe Islands and Portugal

Winter time started
The time was set back one hour from 02:00 to 01:00 local time.
More info

Azores, Portugal

Winter time started
The time was set back one hour from 01:00 to 00:00 local time.
  • Before: Azores Summer Time (AZOST / UTC +0)
  • After: Azores Time (AZOT / UTC -1)
  • Transition time: 2021-10-31 01:00 UTC
  • Applies to all of Azores, including Angra do Heroísmo, Horta and Ponta Delgada.
  • Azores changes time simultaneously with the rest of Portugal, but the local time of Azores is one hour behind Portugal.
More info

Eastern Greenland

Winter time started
The time was set back one hour from 01:00 to 00:00 local time.
  • Before: Eastern Greenland Summer Time (EGST / UTC +0)
  • After: Eastern Greenland Time (EGT / UTC -1)
  • Transition time: 2021-10-31 01:00 UTC
  • Applies to regions that alternate between EGT and EGST, including Ittoqqortoormiit.
More info

Troll research station, Antarctica

Winter time started
The time was set back two hours from 03:00 to 01:00 local time.
  • Before: Central European Summer Time (CEST / UTC +2)
  • After: Coordinated Universal Time (UTC / UTC +0)
  • Transition time: 2021-10-31 01:00 UTC
More info

Mexico (except Quintana Roo, Sonora, Baja California and areas near the United States border)

Winter time started
The time was set back one hour from 02:00 to 01:00 local time.
Mexico has 4 time zones. All of Mexico except the states of Quintana Roo and Sonora observe DST in the summer. The state of Baja California and areas near the United States border follow the same DST schedule as the United States, while other DST-observing areas observe DST from 02:00 on the first Sunday of April until 02:00 on the last Sunday of October.

Zona Centro

Zona Pacífico, except Sonora

  • Before: Mountain Daylight Time (MDT / UTC -6)
  • After: Mountain Standard Time (MST / UTC -7)
  • Transition time: 2021-10-31 08:00 UTC
  • Applies to regions that alternate between MST and MDT, including Chihuahua, Culiacán and Mazatlán.
More info
Sunday 7 November

Saint Pierre and Miquelon

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Saint Pierre and Miquelon Daylight Time (PMDT / UTC -2)
  • After: Saint Pierre and Miquelon Standard Time (PMST / UTC -3)
  • Transition time: 2021-11-07 04:00 UTC
More info

Cuba

Winter time starts
The time will be set back one hour from 01:00 to 00:00 local time.
  • Before: Cuba Daylight Time (CDT / UTC -4)
  • After: Cuba Standard Time (CST / UTC -5)
  • Transition time: 2021-11-07 05:00 UTC
  • Applies to all of Cuba, including Havana, Santa Clara and Santiago de Cuba.
More info

Bermuda

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Atlantic Daylight Time (ADT / UTC -3)
  • After: Atlantic Standard Time (AST / UTC -4)
  • Transition time: 2021-11-07 05:00 UTC
  • Applies to all of Bermuda.
More info

Thule, Greenland

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Atlantic Daylight Time (ADT / UTC -3)
  • After: Atlantic Standard Time (AST / UTC -4)
  • Transition time: 2021-11-07 05:00 UTC
  • Applies to all of Thule.
More info

United States

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
United States has 11 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of United States, but not simultaneously, due to different time zones.

Eastern Time

  • Before: Eastern Daylight Time (EDT / UTC -4)
  • After: Eastern Standard Time (EST / UTC -5)
  • Transition time: 2021-11-07 06:00 UTC
  • Applies to regions that alternate between EST and EDT, including Miami, New York, Philadelphia and Washington, D.C..

Central Time

  • Before: Central Daylight Time (CDT / UTC -5)
  • After: Central Standard Time (CST / UTC -6)
  • Transition time: 2021-11-07 07:00 UTC
  • Applies to regions that alternate between CST and CDT, including Austin, Chicago, Dallas, Houston and San Antonio.

Mountain Time

  • Before: Mountain Daylight Time (MDT / UTC -6)
  • After: Mountain Standard Time (MST / UTC -7)
  • Transition time: 2021-11-07 08:00 UTC
  • Applies to regions that alternate between MST and MDT, including Albuquerque, Denver and El Paso.

Pacific Time

Alaska Time

  • Before: Alaska Daylight Time (AKDT / UTC -8)
  • After: Alaska Standard Time (AKST / UTC -9)
  • Transition time: 2021-11-07 10:00 UTC
  • Applies to regions that alternate between AKST and AKDT, including Anchorage, Fairbanks and Juneau.

Alaska: Islands west of -169.5°

  • Before: Hawaii-Aleutian Daylight Time (HADT / UTC -9)
  • After: Hawaii-Aleutian Standard Time (HAST / UTC -10)
  • Transition time: 2021-11-07 11:00 UTC
More info

Canada

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
Canada has 6 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Canada, but not simultaneously, due to different time zones.

Newfoundland Time

  • Before: Newfoundland Daylight Time (NDT / UTC -2:30)
  • After: Newfoundland Standard Time (NST / UTC -3:30)
  • Transition time: 2021-11-07 04:30 UTC

Atlantic Time

  • Before: Atlantic Daylight Time (ADT / UTC -3)
  • After: Atlantic Standard Time (AST / UTC -4)
  • Transition time: 2021-11-07 05:00 UTC
  • Applies to regions that alternate between AST and ADT, including New Brunswick, Nova Scotia and Prince Edward Island.

Eastern Time

  • Before: Eastern Daylight Time (EDT / UTC -4)
  • After: Eastern Standard Time (EST / UTC -5)
  • Transition time: 2021-11-07 06:00 UTC
  • Applies to regions that alternate between EST and EDT, including Montreal, Ottawa and Toronto.

Central Time

  • Before: Central Daylight Time (CDT / UTC -5)
  • After: Central Standard Time (CST / UTC -6)
  • Transition time: 2021-11-07 07:00 UTC
  • Applies to regions that alternate between CST and CDT, including Manitoba.

Mountain Time

  • Before: Mountain Daylight Time (MDT / UTC -6)
  • After: Mountain Standard Time (MST / UTC -7)
  • Transition time: 2021-11-07 08:00 UTC
  • Applies to regions that alternate between MST and MDT, including Calgary and Edmonton.

Pacific Time

  • Before: Pacific Daylight Time (PDT / UTC -7)
  • After: Pacific Standard Time (PST / UTC -8)
  • Transition time: 2021-11-07 09:00 UTC
  • Applies to regions that alternate between PST and PDT, including Burnaby, Okanagan, Surrey, Vancouver and Victoria.
More info

Bahamas

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Eastern Daylight Time (EDT / UTC -4)
  • After: Eastern Standard Time (EST / UTC -5)
  • Transition time: 2021-11-07 06:00 UTC
  • Applies to all of Bahamas, including Nassau.
More info

Haiti

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Eastern Daylight Time (EDT / UTC -4)
  • After: Eastern Standard Time (EST / UTC -5)
  • Transition time: 2021-11-07 06:00 UTC
  • Applies to all of Haiti, including Port-au-Prince.
More info

Turks and Caicos Islands

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
  • Before: Eastern Daylight Time (EDT / UTC -4)
  • After: Eastern Standard Time (EST / UTC -5)
  • Transition time: 2021-11-07 06:00 UTC
  • Applies to all of Turks and Caicos Islands, including Cockburn Town.
More info

Mexico (the state of Baja California and areas near the United States border)

Winter time starts
The time will be set back one hour from 02:00 to 01:00 local time.
Mexico has 4 time zones. All of Mexico except the states of Quintana Roo and Sonora observe DST in the summer. The state of Baja California and areas near the United States border follow the same DST schedule as the United States, while other DST-observing areas observe DST from 02:00 on the first Sunday of April until 02:00 on the last Sunday of October.

Zona Noroeste

  • Before: Pacific Daylight Time (PDT / UTC -7)
  • After: Pacific Standard Time (PST / UTC -8)
  • Transition time: 2021-11-07 09:00 UTC
  • Applies to US border regions that alternate between PST and PDT, including Ensenada, Mexicali and Tijuana.

US border regions in Zona Centro

  • Before: Central Daylight Time (CDT / UTC -5)
  • After: Central Standard Time (CST / UTC -6)
  • Transition time: 2021-11-07 07:00 UTC
  • Applies to US border regions that alternate between CST and CDT, including Matamoros, Nuevo Laredo and Reynosa.

US border regions in Zona Pacífico

  • Before: Mountain Daylight Time (MDT / UTC -6)
  • After: Mountain Standard Time (MST / UTC -7)
  • Transition time: 2021-11-07 08:00 UTC
  • Applies to US border regions that alternate between MST and MDT, including Ciudad Juárez.
More info
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Tuesday, November 2, 2021, week 44
Germany switched to standard time at 03:00 on Sunday, October 31. The time was set one hour back.
Sun: ↑ 07:14 ↓ 16:49 (9h 36m) More info