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.
- Transition timestamps were extracted from the latest version of the IANA time zone database (version 2022f, zonder correcties).
zondag januari 17 2021
Fiji
Winter time started
The time was set back een uur 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
zondag maart 14 2021
Saint-Pierre en Miquelon
Summer time started
The time was set forward een uur 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 een uur 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 en Santiago de Cuba.
Bermuda
Summer time started
The time was set forward een uur 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, Groenland
Summer time started
The time was set forward een uur 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.
Verenigde Staten
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
Verenigde Staten has 11 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Verenigde Staten, 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 en 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 en 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 en El Paso.
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 Las Vegas, Los Angeles, Portland, San Diego, San Francisco, San José en Seattle.
Alaska Time
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 een uur 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 en Prins Edwardeiland.
Eastern Time
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
Bahama’s
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
Haïti
Summer time started
The time was set forward een uur 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 Haïti, including Port-au-Prince.
Turks- en Caicoseilanden
Summer time started
The time was set forward een uur 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- en Caicoseilanden, including Cockburn Town.
Mexico (the state of Baja California and areas near the United States border)
Summer time started
The time was set forward een uur 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
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 en 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.
maandag maart 22 2021
vrijdag maart 26 2021
zaterdag maart 27 2021
Palestina
Summer time started
The time was set forward een uur from 00:00 to 01:00 local time.
Western Greenland
Summer time started
The time was set forward een uur 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.
zondag maart 28 2021
Libanon
Summer time started
The time was set forward een uur from 00:00 to 01:00 local time.
Moldavië
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
Most of Eastern Europe
Summer time started
The time was set forward een uur 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 Bulgarije, Cyprus, Estland, Finland, Griekenland, Letland, Litouwen, Oekraïne, Roemenië en Åland.
- Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Most of Europe
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
- Before: Central European Time (CET / UTC +1)
- After: Central European Summer Time (CEST / UTC +2)
- Transition time: 2021-03-28 01:00 UTC
- Applies to Albanië, Andorra, België, Bosnië-Herzegovina, Denemarken, Duitsland, Frankrijk, Gibraltar, Hongarije, Italië, Kosovo, Kroatië, Liechtenstein, Luxemburg, Malta, Monaco, Montenegro, Nederland, Noord-Macedonië, Noorwegen, Oostenrijk, Polen, San Marino, Servië, Slovenië, Slowakije, Spanje, Tsjechië, Vaticaanstad, Zweden en Zwitserland.
- Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Paraguay
Winter time started
The time was set back een uur from 00:00 to 23:00 local time.
Verenigd Koninkrijk
Summer time started
The time was set forward een uur from 01:00 to 02:00 local time.
- Before: Greenwich Mean Time (GMT / UTC +0)
- After: British Summer Time (BST / UTC +1)
- Transition time: 2021-03-28 01:00 UTC
- Applies to all of Verenigd Koninkrijk and its Crown dependencies, including Belfast, Birmingham, Bristol, Cardiff, Edinburgh, Glasgow, Guernsey, Isle of Man, Jersey, Leeds, Liverpool, Londen en Sheffield.
- Does not apply to overseas territories.
Ierland
Summer time started
The time was set forward een uur 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 Ierland, including Cork, Dublin, Dún Laoghaire en 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.
Canarische Eilanden, Faeröer en Portugal
Summer time started
The time was set forward een uur from 01:00 to 02:00 local time.
- Before: Western European Time (WET / UTC +0)
- After: Western European Summer Time (WEST / UTC +1)
- Transition time: 2021-03-28 01:00 UTC
- Applies to all of Canarische Eilanden, Faeröer en Portugal, including Lissabon, Madeira, Porto, Province of Las Palmas, Santa Cruz de Tenerife en Tórshavn.
- Canarische Eilanden changes time simultaneously with the rest of Spanje, but the local time of Canarische Eilanden is een uur behind Spanje.
Azoren, Portugal
Summer time started
The time was set forward een uur 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 Azoren, including Angra do Heroísmo, Horta en Ponta Delgada.
- Azoren changes time simultaneously with the rest of Portugal, but the local time of Azoren is een uur behind Portugal.
Eastern Greenland
Summer time started
The time was set forward een uur 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, 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
zaterdag april 3 2021
Paaseiland, Región de Valparaíso, Chili
Winter time started
The time was set back een uur 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
- Paaseiland changes time simultaneously with the rest of Chili, but the local time of Paaseiland is two hours behind Chili.
zondag april 4 2021
Chatham Islands, Nieuw-Zeeland
Winter time started
The time was set back een uur 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
Nieuw-Zeeland
Winter time started
The time was set back een uur 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 Nieuw-Zeeland, including Auckland, Christchurch en Wellington.
- Does not apply to dependent territories and outlying islands.
Norfolk
Winter time started
The time was set back een uur from 03:00 to 02:00 local time.
- Before: Norfolk Daylight Time (NFDT / UTC +12)
- After: Norfolk Time (NFT / UTC +11)
- Transition time: 2021-04-03 15:00 UTC
- Applies to all of Norfolk.
- Time zone news: Norfolk Island will have daylight saving time
Lord Howe Island, New South Wales, Australië
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
Australië
Winter time started
The time was set back een uur from 03:00 to 02:00 local time.
Australië has 9 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Australië, 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 en 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.
Chili
Winter time started
The time was set back een uur 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 Chili, including Antofagasta, Puente Alto, Santiago, Valparaíso en Viña del Mar.
- Paaseiland changes time simultaneously with the rest of Chili, but the local time of Paaseiland is two hours behind Chili.
Mexico (except Quintana Roo, Sonora, Baja California and areas near the United States border)
Summer time started
The time was set forward een uur 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
- Before: Central Standard Time (CST / UTC -6)
- After: Central Daylight Time (CDT / UTC -5)
- Transition time: 2021-04-04 08:00 UTC
- Applies to regions that alternate between CST and CDT, including Ecatepec de Morelos, Guadalajara, Iztapalapa, Mexico-stad en Puebla de Zaragoza.
zondag april 11 2021
Marokko en Westelijke Sahara
Winter time started
The time was set back een uur 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 en Westelijke Sahara, including Casablanca, Marrakesh en Rabat.
- Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
zondag mei 16 2021
Marokko en Westelijke Sahara
Summer time started
The time was set forward een uur 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 en Westelijke Sahara, including Casablanca, Marrakesh en Rabat.
- Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
zaterdag september 4 2021
Paaseiland, Región de Valparaíso, Chili
Summer time started
The time was set forward een uur 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
- Paaseiland changes time simultaneously with the rest of Chili, but the local time of Paaseiland is two hours behind Chili.
zondag september 5 2021
Chili
Summer time started
The time was set forward een uur 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 Chili, including Antofagasta, Puente Alto, Santiago, Valparaíso en Viña del Mar.
- Paaseiland changes time simultaneously with the rest of Chili, but the local time of Paaseiland is two hours behind Chili.
woensdag september 22 2021
zondag september 26 2021
Chatham Islands, Nieuw-Zeeland
Summer time started
The time was set forward een uur 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
Nieuw-Zeeland
Summer time started
The time was set forward een uur 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 Nieuw-Zeeland, including Auckland, Christchurch en Wellington.
- Does not apply to dependent territories and outlying islands.
zondag oktober 3 2021
Norfolk
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
- Before: Norfolk Time (NFT / UTC +11)
- After: Norfolk Daylight Time (NFDT / UTC +12)
- Transition time: 2021-10-02 15:00 UTC
- Applies to all of Norfolk.
- Time zone news: Norfolk Island will have daylight saving time
Lord Howe Island, New South Wales, Australië
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
Australië
Summer time started
The time was set forward een uur from 02:00 to 03:00 local time.
Australië has 9 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Australië, 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 en 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 een uur from 00:00 to 01:00 local time.
vrijdag oktober 29 2021
zaterdag oktober 30 2021
Western Greenland
Winter time started
The time was set back een uur 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.
zondag oktober 31 2021
Libanon
Winter time started
The time was set back een uur from 00:00 to 23:00 local time.
Israël
Winter time started
The time was set back een uur from 02:00 to 01:00 local time.
Moldavië
Winter time started
The time was set back een uur from 03:00 to 02:00 local time.
Most of Eastern Europe
Winter time started
The time was set back een uur 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 Bulgarije, Cyprus, Estland, Finland, Griekenland, Letland, Litouwen, Oekraïne, Roemenië en Åland.
- Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Most of Europe
Winter time started
The time was set back een uur from 03:00 to 02:00 local time.
- Before: Central European Summer Time (CEST / UTC +2)
- After: Central European Time (CET / UTC +1)
- Transition time: 2021-10-31 01:00 UTC
- Applies to Albanië, Andorra, België, Bosnië-Herzegovina, Denemarken, Duitsland, Frankrijk, Gibraltar, Hongarije, Italië, Kosovo, Kroatië, Liechtenstein, Luxemburg, Malta, Monaco, Montenegro, Nederland, Noord-Macedonië, Noorwegen, Oostenrijk, Polen, San Marino, Servië, Slovenië, Slowakije, Spanje, Tsjechië, Vaticaanstad, Zweden en Zwitserland.
- Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Verenigd Koninkrijk
Winter time started
The time was set back een uur from 02:00 to 01:00 local time.
- Before: British Summer Time (BST / UTC +1)
- After: Greenwich Mean Time (GMT / UTC +0)
- Transition time: 2021-10-31 01:00 UTC
- Applies to all of Verenigd Koninkrijk and its Crown dependencies, including Belfast, Birmingham, Bristol, Cardiff, Edinburgh, Glasgow, Guernsey, Isle of Man, Jersey, Leeds, Liverpool, Londen en Sheffield.
- Does not apply to overseas territories.
Ierland
Winter time started
The time was set back een uur 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 Ierland, including Cork, Dublin, Dún Laoghaire en 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.
Canarische Eilanden, Faeröer en Portugal
Winter time started
The time was set back een uur from 02:00 to 01:00 local time.
- Before: Western European Summer Time (WEST / UTC +1)
- After: Western European Time (WET / UTC +0)
- Transition time: 2021-10-31 01:00 UTC
- Applies to all of Canarische Eilanden, Faeröer en Portugal, including Lissabon, Madeira, Porto, Province of Las Palmas, Santa Cruz de Tenerife en Tórshavn.
- Canarische Eilanden changes time simultaneously with the rest of Spanje, but the local time of Canarische Eilanden is een uur behind Spanje.
Azoren, Portugal
Winter time started
The time was set back een uur 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 Azoren, including Angra do Heroísmo, Horta en Ponta Delgada.
- Azoren changes time simultaneously with the rest of Portugal, but the local time of Azoren is een uur behind Portugal.
Eastern Greenland
Winter time started
The time was set back een uur 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, 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
Mexico (except Quintana Roo, Sonora, Baja California and areas near the United States border)
Winter time started
The time was set back een uur 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
- Before: Central Daylight Time (CDT / UTC -5)
- After: Central Standard Time (CST / UTC -6)
- Transition time: 2021-10-31 07:00 UTC
- Applies to regions that alternate between CST and CDT, including Ecatepec de Morelos, Guadalajara, Iztapalapa, Mexico-stad en Puebla de Zaragoza.
zondag november 7 2021
Saint-Pierre en Miquelon
Winter time started
The time was set back een uur 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 een uur 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 en Santiago de Cuba.
Bermuda
Winter time started
The time was set back een uur 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, Groenland
Winter time started
The time was set back een uur 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.
Verenigde Staten
Winter time started
The time was set back een uur from 02:00 to 01:00 local time.
Verenigde Staten has 11 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Verenigde Staten, 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 en 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 en 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 en El Paso.
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 Las Vegas, Los Angeles, Portland, San Diego, San Francisco, San José en Seattle.
Alaska Time
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 een uur 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 en Prins Edwardeiland.
Eastern Time
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
Bahama’s
Winter time started
The time was set back een uur from 02:00 to 01:00 local time.
Haïti
Winter time started
The time was set back een uur 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 Haïti, including Port-au-Prince.
Turks- en Caicoseilanden
Winter time started
The time was set back een uur 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- en Caicoseilanden, including Cockburn Town.
Mexico (the state of Baja California and areas near the United States border)
Winter time started
The time was set back een uur 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
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 en 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.
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