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.
- Transition timestamps were extracted from the latest version of the IANA time zone database (version 2021a, müvəqqəti dəyişiklik tətbiq edilməyib).
- Transitions may be added, canceled or changed, sometimes on short notice.
- This page was last updated on Çərşənbə Axşamı, Yanvar 26, 2021.
The next event happens on May 16, 2021, when DST starts in Morokko və Qərb Sahara.
Bazar
17
Yanvar
Fici
Winter time started
The time was set back bir saat 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
- Applies to all of Fici.
- Time zone news: New start date for DST in Fiji
Bazar ertəsi
1
Fevral
South Sudan
Winter time started
The time was set back bir saat from 00:00 to 23:00 local time.
- Before: Central Africa Time (CAT / UTC +3)
- After: Eastern Africa Time (EAT / UTC +2)
- Transition time: 2021-01-31 21:00 UTC
- Applies to all of South Sudan, including Juba və Malakal.
- Time zone news: South Sudan changes time zone
Bazar
14
Mart
Seynt Piyer və Mikelon
Summer time started
The time was set forward bir saat 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
Kuba
Summer time started
The time was set forward bir saat 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 Kuba, including Havana, Santa Clara və Santiago de Cuba.
Bermuda
Summer time started
The time was set forward bir saat 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.
Thule, Qrinland
Summer time started
The time was set forward bir saat 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.
Amerika Birləşmiş Ştatları
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Amerika Birləşmiş Ştatları has 11 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Amerika Birləşmiş Ştatları, 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 Mayami, New York, Philadelphia və 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 Dallas, Hyuston, Ostin, San Antonio və Çikaqo.
Mountain Time
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-Veqas, Los Anceles, Portland, San Dieqo, San Xose, San-Fransisko və Sietl.
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
Kanada
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Kanada has 6 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Kanada, 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 Nyu-Brunsvik, Yeni Şotlandiya və Şahzadə Eduard Adası.
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
Bahamalar
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Haiti
Summer time started
The time was set forward bir saat 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-o-Prins.
Türk və Kaykos Adaları
Summer time started
The time was set forward bir saat 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 Türk və Kaykos Adaları, including Kobərn Taun.
Mexico (the state of Baja California and areas near the United States border)
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Meksika 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 Matamoros, Nuevo Laredo və 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.
Bazar ertəsi
22
Mart
İran
Summer time started
The time was set forward bir saat from 00:00 to 01:00 local time.
Cümə
26
Mart
Ürdün
Summer time started
The time was set forward bir saat from 00:00 to 01:00 local time.
siriya
Summer time started
The time was set forward bir saat from 00:00 to 01:00 local time.
İzrail
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Şənbə
27
Mart
Fələstin Bölqüsü
Summer time started
The time was set forward bir saat 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 Fələstin Bölqüsü, including Qəzza, West Bank və Əl Xəlil.
Western Greenland
Summer time started
The time was set forward bir saat 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.
Bazar
28
Mart
Lebanon
Summer time started
The time was set forward bir saat from 00:00 to 01:00 local time.
Moldova
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Most of Eastern Europe
Summer time started
The time was set forward bir saat 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 Aland Adaları, Bolqariya, Estoniya, Finlandiya, Kipr, Latviya, Litva, Romaniya, Ukraina və Yunanıstan.
- 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 bir saat 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 Albaniya, Almaniya, Andorra, Avstriya, Belçika, Danemarka, Fransa, Gibraltar, Kosovo, Lixtenşteyn, Lüksemburq, Macaristan, Malta, Monako, Monteneqro, Niderland, Norvec, Polşa, Serbiya, Slovakiya, Sloveniya, Xorvatiya, isveçriya, Çex Respublikası, İspaniya, İsveç və İtaliya.
- Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Paraqvay
Winter time started
The time was set back bir saat from 00:00 to 23:00 local time.
Böyük Britaniya
Summer time started
The time was set forward bir saat 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 Böyük Britaniya and its Crown dependencies, including Belfast, Birmingem, Bristol, Cörsi, Edinburq, Görnsey, Kardiff, Lids, Liverpul, London, Man Adası, Qlazqo və Şeffild.
- Does not apply to overseas territories.
İrlandiya
Summer time started
The time was set forward bir saat 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 İrlandiya, including Cork, Dublin, Dun Laoghaire və 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.
Faro Adaları, Kanar adaları və Portuqal
Summer time started
The time was set forward bir saat 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 Faro Adaları, Kanar adaları və Portuqal, including Las Palmas, Lisbon, Madeira, Porto, Santa Cruz de Tenerife, Santa Kruz de Tenerife və Torshavn.
- Kanar adaları changes time simultaneously with the rest of İspaniya, but the local time of Kanar adaları is bir saat behind İspaniya.
Azores, Portuqal
Summer time started
The time was set forward bir saat 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 və Ponta Delgada.
- Azores changes time simultaneously with the rest of Portuqal, but the local time of Azores is bir saat behind Portuqal.
Eastern Greenland
Summer time started
The time was set forward bir saat 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, Antarktika
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
Şənbə
3
Aprel
Easter Island, Valparaíso, Çile
Winter time started
The time was set back bir saat 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 Çili, but the local time of Easter Island is two hours behind Çili.
Bazar
4
Aprel
Samoa
Winter time started
The time was set back bir saat from 04:00 to 03:00 local time.
- Before: West Samoa Daylight Time (WSDT / UTC +14)
- After: West Samoa Standard Time (WSST / UTC +13)
- Transition time: 2021-04-03 14:00 UTC
Chatham Islands, Yeni Zelandiya
Winter time started
The time was set back bir saat 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
Yeni Zelandiya
Winter time started
The time was set back bir saat 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 Yeni Zelandiya, including Auckland, Christchurch və Vellinqton.
- Does not apply to dependent territories and outlying islands.
Norfolk Adası
Winter time started
The time was set back bir saat 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 Adası.
- Time zone news: Norfolk Island will have daylight saving time
Lord Howe Island, New South Wales, Avstraliya
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
Avstraliya
Winter time started
The time was set back bir saat from 03:00 to 02:00 local time.
Avstraliya has 9 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Avstraliya, 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 Kanberra, Melbourne, Newcastle, Sidney və 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.
Çili
Winter time started
The time was set back bir saat 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 Çili, including Antofagasta, Puente Alto, Santiago, Valparaiso və Viña del Mar.
- Easter Island changes time simultaneously with the rest of Çili, but the local time of Easter Island is two hours behind Çili.
Mexico (except Quintana Roo, Sonora, Baja California and areas near the United States border)
Summer time started
The time was set forward bir saat from 02:00 to 03:00 local time.
Meksika 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 City və Puebla.
Bazar
11
Aprel
Morokko və Qərb Sahara
Winter time started
The time was set back bir saat 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 Morokko və Qərb Sahara, including Kasablanka, Marrakesh və Rabat.
- Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
Bazar
16
May
Morokko və Qərb Sahara
Summer time starts
The time will be set forward bir saat 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 Morokko və Qərb Sahara, including Kasablanka, Marrakesh və Rabat.
- Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.
Şənbə
4
Sentyabr
Easter Island, Valparaíso, Çile
Summer time starts
The time will be set forward bir saat 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 Çili, but the local time of Easter Island is two hours behind Çili.
Bazar
5
Sentyabr
Çili
Summer time starts
The time will be set forward bir saat 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 Çili, including Antofagasta, Puente Alto, Santiago, Valparaiso və Viña del Mar.
- Easter Island changes time simultaneously with the rest of Çili, but the local time of Easter Island is two hours behind Çili.
Çərşənbə
22
Sentyabr
İran
Winter time starts
The time will be set back bir saat from 00:00 to 23:00 local time.
Bazar
26
Sentyabr
Samoa
Summer time starts
The time will be set forward bir saat from 03:00 to 04:00 local time.
- Before: West Samoa Standard Time (WSST / UTC +13)
- After: West Samoa Daylight Time (WSDT / UTC +14)
- Transition time: 2021-09-25 14:00 UTC
Chatham Islands, Yeni Zelandiya
Summer time starts
The time will be set forward bir saat 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
Yeni Zelandiya
Summer time starts
The time will be set forward bir saat 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 Yeni Zelandiya, including Auckland, Christchurch və Vellinqton.
- Does not apply to dependent territories and outlying islands.
Bazar
3
Oktyabr
Norfolk Adası
Summer time starts
The time will be set forward bir saat 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 Adası.
- Time zone news: Norfolk Island will have daylight saving time
Lord Howe Island, New South Wales, Avstraliya
Summer time starts
The time will be 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
Avstraliya
Summer time starts
The time will be set forward bir saat from 02:00 to 03:00 local time.
Avstraliya has 9 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of Avstraliya, 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 Kanberra, Melbourne, Newcastle, Sidney və 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.
Paraqvay
Summer time starts
The time will be set forward bir saat from 00:00 to 01:00 local time.
Cümə
29
Oktyabr
siriya
Winter time starts
The time will be set back bir saat from 00:00 to 23:00 local time.
Ürdün
Winter time starts
The time will be set back bir saat from 01:00 to 00:00 local time.
Şənbə
30
Oktyabr
Fələstin Bölqüsü
Winter time starts
The time will be set back bir saat 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 Fələstin Bölqüsü, including Qəzza, West Bank və Əl Xəlil.
Western Greenland
Winter time starts
The time will be set back bir saat 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.
Bazar
31
Oktyabr
Lebanon
Winter time starts
The time will be set back bir saat from 00:00 to 23:00 local time.
İzrail
Winter time starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Moldova
Winter time starts
The time will be set back bir saat from 03:00 to 02:00 local time.
Most of Eastern Europe
Winter time starts
The time will be set back bir saat 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 Aland Adaları, Bolqariya, Estoniya, Finlandiya, Kipr, Latviya, Litva, Romaniya, Ukraina və Yunanıstan.
- 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 starts
The time will be set back bir saat 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 Albaniya, Almaniya, Andorra, Avstriya, Belçika, Danemarka, Fransa, Gibraltar, Kosovo, Lixtenşteyn, Lüksemburq, Macaristan, Malta, Monako, Monteneqro, Niderland, Norvec, Polşa, Serbiya, Slovakiya, Sloveniya, Xorvatiya, isveçriya, Çex Respublikası, İspaniya, İsveç və İtaliya.
- Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.
Böyük Britaniya
Winter time starts
The time will be set back bir saat 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 Böyük Britaniya and its Crown dependencies, including Belfast, Birmingem, Bristol, Cörsi, Edinburq, Görnsey, Kardiff, Lids, Liverpul, London, Man Adası, Qlazqo və Şeffild.
- Does not apply to overseas territories.
İrlandiya
Winter time starts
The time will be set back bir saat 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 İrlandiya, including Cork, Dublin, Dun Laoghaire və 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.
Faro Adaları, Kanar adaları və Portuqal
Winter time starts
The time will be set back bir saat 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 Faro Adaları, Kanar adaları və Portuqal, including Las Palmas, Lisbon, Madeira, Porto, Santa Cruz de Tenerife, Santa Kruz de Tenerife və Torshavn.
- Kanar adaları changes time simultaneously with the rest of İspaniya, but the local time of Kanar adaları is bir saat behind İspaniya.
Azores, Portuqal
Winter time starts
The time will be set back bir saat 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 və Ponta Delgada.
- Azores changes time simultaneously with the rest of Portuqal, but the local time of Azores is bir saat behind Portuqal.
Eastern Greenland
Winter time starts
The time will be set back bir saat 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, Antarktika
Winter time starts
The time will be 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 starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Meksika 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 City və Puebla.
Bazar
7
Noyabr
Seynt Piyer və Mikelon
Winter time starts
The time will be set back bir saat 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
Kuba
Winter time starts
The time will be set back bir saat 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 Kuba, including Havana, Santa Clara və Santiago de Cuba.
Bermuda
Winter time starts
The time will be set back bir saat 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.
Thule, Qrinland
Winter time starts
The time will be set back bir saat 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.
Amerika Birləşmiş Ştatları
Winter time starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Amerika Birləşmiş Ştatları has 11 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Amerika Birləşmiş Ştatları, 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 Mayami, New York, Philadelphia və 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 Dallas, Hyuston, Ostin, San Antonio və Çikaqo.
Mountain Time
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-Veqas, Los Anceles, Portland, San Dieqo, San Xose, San-Fransisko və Sietl.
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
Kanada
Winter time starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Kanada has 6 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of Kanada, 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 Nyu-Brunsvik, Yeni Şotlandiya və Şahzadə Eduard Adası.
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
Bahamalar
Winter time starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Haiti
Winter time starts
The time will be set back bir saat 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-o-Prins.
Türk və Kaykos Adaları
Winter time starts
The time will be set back bir saat 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 Türk və Kaykos Adaları, including Kobərn Taun.
Mexico (the state of Baja California and areas near the United States border)
Winter time starts
The time will be set back bir saat from 02:00 to 01:00 local time.
Meksika 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 Matamoros, Nuevo Laredo və 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.
Bazar
14
Noyabr
Fici
Summer time starts
The time will be set forward bir saat from 02:00 to 03:00 local time.
- Before: Fiji Time (FJT / UTC +12)
- After: Fiji Summer Time (FJST / UTC +13)
- Transition time: 2021-11-13 14:00 UTC
- Applies to all of Fici.
- Time zone news: New start date for DST in Fiji