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Daylight Saving Time 2021

Was the time set backwards or forwards? When? Where? This page lists all daylight saving time changes and other time zone changes around the world for 2021.
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søndag januar 17 2021

Fiji

Winter time started
The time was set back én time from 03:00 to 02:00 local time.
  • Before: Fiji Summer Time (FJST / UTC +13)
  • After: Fiji Time (FJT / UTC +12)
  • Transition time: 2021-01-16 14:00 UTC
  • Time zone news: Fiji puts DST on hold
søndag marts 14 2021

Saint Pierre og Miquelon

Summer time started
The time was set forward én time 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

Cuba

Summer time started
The time was set forward én time 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 og Santiago de Cuba.

Bermuda

Summer time started
The time was set forward én time 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.

Qaanaaq, Grønland

Summer time started
The time was set forward én time 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 Qaanaaq.

USA

Summer time started
The time was set forward én time from 02:00 to 03:00 local time.
USA has 11 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of USA, 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 og 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 og 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 og 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 og 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

Canada

Summer time started
The time was set forward én time 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 og 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 og 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 og 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 og Victoria.

Bahamas

Summer time started
The time was set forward én time 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.

Haiti

Summer time started
The time was set forward én time 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.

Turks- og Caicosøerne

Summer time started
The time was set forward én time 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- og Caicosøerne, including Cockburn Town.

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

Summer time started
The time was set forward én time 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 og 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 Heroica Matamoros, Nuevo Laredo og 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.
mandag marts 22 2021

Iran

Summer time started
The time was set forward én time 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 Teheran.
fredag marts 26 2021

Israel

Summer time started
The time was set forward én time 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 og Tel Aviv.
lørdag marts 27 2021

Palæstina

Summer time started
The time was set forward én time from 00:00 to 01:00 local time.
  • Before: Palestine Standard Time (PSST / UTC +2)
  • After: Palestine Daylight Time (PSDT / UTC +3)
  • Transition time: 2021-03-26 22:00 UTC
  • Applies to all of Palæstina, including Gaza, Hebron og West Bank.

Western Greenland

Summer time started
The time was set forward én time 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.
søndag marts 28 2021

Libanon

Summer time started
The time was set forward én time 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 Libanon, including Beirut.

Moldova

Summer time started
The time was set forward én time 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 Chișinău.
  • Moldova changes to summer time one hour before the rest of Europe.

Most of Eastern Europe

Summer time started
The time was set forward én time from 03:00 to 04:00 local time.

Most of Europe

Summer time started
The time was set forward én time from 02:00 to 03:00 local time.

Paraguay

Winter time started
The time was set back én time 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.

Storbritannien

Summer time started
The time was set forward én time from 01:00 to 02:00 local time.

Irland

Summer time started
The time was set forward én time 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 Irland, including Cork, Dublin, Dún Laoghaire og 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.

Færøerne, Kanariske Øer og Portugal

Summer time started
The time was set forward én time from 01:00 to 02:00 local time.

Azorerne, Portugal

Summer time started
The time was set forward én time 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 Azorerne, including Angra do Heroísmo, Horta og Ponta Delgada.
  • Azorerne changes time simultaneously with the rest of Portugal, but the local time of Azorerne is én time behind Portugal.

Eastern Greenland

Summer time started
The time was set forward én time 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.

Troll research station, Antarktis

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
lørdag april 3 2021

Påskeøen, Región de Valparaíso, Chile

Winter time started
The time was set back én time 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
  • Påskeøen changes time simultaneously with the rest of Chile, but the local time of Påskeøen is two hours behind Chile.
søndag april 4 2021

Chatham Islands, Ny Zeeland

Winter time started
The time was set back én time 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

Ny Zeeland

Winter time started
The time was set back én time 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 Ny Zeeland, including Auckland, Christchurch og Wellington.
  • Does not apply to dependent territories and outlying islands.

Norfolk Island

Winter time started
The time was set back én time from 03:00 to 02:00 local time.

Lord Howe Island, New South Wales, Australien

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

Australien

Winter time started
The time was set back én time from 03:00 to 02:00 local time.
Australien has 9 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Australien, 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 og 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.

Chile

Winter time started
The time was set back én time 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 de Chile, Valparaiso og Viña del Mar.
  • Påskeøen changes time simultaneously with the rest of Chile, but the local time of Påskeøen is two hours behind Chile.

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

Summer time started
The time was set forward én time 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 og Mazatlán.
søndag april 11 2021

Marokko og Vestsahara

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

Marokko og Vestsahara

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

Påskeøen, Región de Valparaíso, Chile

Summer time started
The time was set forward én time 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
  • Påskeøen changes time simultaneously with the rest of Chile, but the local time of Påskeøen is two hours behind Chile.
søndag september 5 2021

Chile

Summer time started
The time was set forward én time 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 de Chile, Valparaiso og Viña del Mar.
  • Påskeøen changes time simultaneously with the rest of Chile, but the local time of Påskeøen is two hours behind Chile.
onsdag september 22 2021

Iran

Winter time started
The time was set back én time 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 Teheran.
søndag september 26 2021

Chatham Islands, Ny Zeeland

Summer time started
The time was set forward én time 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

Ny Zeeland

Summer time started
The time was set forward én time 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 Ny Zeeland, including Auckland, Christchurch og Wellington.
  • Does not apply to dependent territories and outlying islands.
søndag oktober 3 2021

Norfolk Island

Summer time started
The time was set forward én time from 02:00 to 03:00 local time.

Lord Howe Island, New South Wales, Australien

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

Australien

Summer time started
The time was set forward én time from 02:00 to 03:00 local time.
Australien has 9 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Australien, 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 og 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.

Paraguay

Summer time started
The time was set forward én time 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.
fredag oktober 29 2021

Palæstina

Winter time started
The time was set back én time from 01:00 to 00:00 local time.
  • Before: Palestine Daylight Time (PSDT / UTC +3)
  • After: Palestine Standard Time (PSST / UTC +2)
  • Transition time: 2021-10-28 22:00 UTC
  • Applies to all of Palæstina, including Gaza, Hebron og West Bank.
lørdag oktober 30 2021

Western Greenland

Winter time started
The time was set back én time 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.
søndag oktober 31 2021

Libanon

Winter time started
The time was set back én time 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 Libanon, including Beirut.

Israel

Winter time started
The time was set back én time 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 og Tel Aviv.

Moldova

Winter time started
The time was set back én time 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 Chișinău.
  • Moldova changes to winter time one hour before the rest of Europe.

Most of Eastern Europe

Winter time started
The time was set back én time from 04:00 to 03:00 local time.

Most of Europe

Winter time started
The time was set back én time from 03:00 to 02:00 local time.

Storbritannien

Winter time started
The time was set back én time from 02:00 to 01:00 local time.

Irland

Winter time started
The time was set back én time 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 Irland, including Cork, Dublin, Dún Laoghaire og 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.

Færøerne, Kanariske Øer og Portugal

Winter time started
The time was set back én time from 02:00 to 01:00 local time.

Azorerne, Portugal

Winter time started
The time was set back én time 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 Azorerne, including Angra do Heroísmo, Horta og Ponta Delgada.
  • Azorerne changes time simultaneously with the rest of Portugal, but the local time of Azorerne is én time behind Portugal.

Eastern Greenland

Winter time started
The time was set back én time 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.

Troll research station, Antarktis

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

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

Winter time started
The time was set back én time 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 og Mazatlán.
søndag november 7 2021

Saint Pierre og Miquelon

Winter time started
The time was set back én time 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

Cuba

Winter time started
The time was set back én time 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 og Santiago de Cuba.

Bermuda

Winter time started
The time was set back én time 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.

Qaanaaq, Grønland

Winter time started
The time was set back én time 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 Qaanaaq.

USA

Winter time started
The time was set back én time from 02:00 to 01:00 local time.
USA has 11 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of USA, 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 og 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 og 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 og 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 og 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

Canada

Winter time started
The time was set back én time 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 og 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 og 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 og 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 og Victoria.

Bahamas

Winter time started
The time was set back én time 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.

Haiti

Winter time started
The time was set back én time 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.

Turks- og Caicosøerne

Winter time started
The time was set back én time 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- og Caicosøerne, including Cockburn Town.

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

Winter time started
The time was set back én time 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 og 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 Heroica Matamoros, Nuevo Laredo og 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.
 
 
onsdag, 13. november, uge 46, 2024