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.

Transition timestamps were extracted from the latest version of the IANA time zone database (version 2021a, パッチなし).
Transitions may be added, canceled or changed, sometimes on short notice.
This page was last updated on 2021年, 1月 26日, 火曜日.

The next event happens on 2021年, 5月 16, when DST starts in モロッコと西サハラ.

Scroll down, or jump to

Choose year

2019 2020 2021 2022 2023 2024 2025 2026 2027 2028

日曜日 17 1月

フィジー

Winter time started

The time was set back 1時間 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 フィジー.
Time zone news: New start date for DST in Fiji

詳細

月曜日 1 2月

南スーダン

Winter time started

The time was set back 1時間 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 南スーダン, including Juba とマラカル.
Time zone news: South Sudan changes time zone

詳細

日曜日 14 3月

サンピエール島・ミクロン島

Summer time started

The time was set forward 1時間 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

詳細

キューバ

Summer time started

The time was set forward 1時間 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 キューバ, including サンタ・クララ, サンティアーゴ・デ・クーバとハバナ.

詳細

バミューダ

Summer time started

The time was set forward 1時間 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 バミューダ.

詳細

Thule, グリーンランド

Summer time started

The time was set forward 1時間 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.

詳細

アメリカ合衆国

Summer time started

The time was set forward 1時間 from 02:00 to 03:00 local time.

アメリカ合衆国 has 11 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of アメリカ合衆国, 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 Philadelphia, Washington, D.C., ニューヨークとマイアミ.

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 オースティン, サンアントニオ, シカゴ, ダラスとヒューストン.

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 アルバカーキ, エル・パソとデンバー.

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 サンディエゴ, サンノゼ, サンフランシスコ, シアトル, ポートランド, ラスベガスとロサンゼルス.

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 アンカレッジ, ジュノーとフェアバンクス.

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

詳細

カナダ

Summer time started

The time was set forward 1時間 from 02:00 to 03:00 local time.

カナダ has 6 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of カナダ, 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 ニューブランズウィック州, ノバスコシア州とプリンスエドワードアイランド州.

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 オタワ, トロントとモントリオール.

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 マニトバ州.

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 エドモントンとカルガリー.

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 オカナガン, サレー, バンクーバー, バーナビーとビクトリア.

詳細

バハマ

Summer time started

The time was set forward 1時間 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 バハマ, including ナッソー.

詳細

ハイチ

Summer time started

The time was set forward 1時間 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 ハイチ, including ポルトープランス.

詳細

タークス諸島・カイコス諸島

Summer time started

The time was set forward 1時間 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 タークス諸島・カイコス諸島, including コックバーンタウン.

詳細

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

Summer time started

The time was set forward 1時間 from 02:00 to 03:00 local time.

メキシコ 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 エンセナーダ, ティフアナとメヒカリ.

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, ヌエボ・ラレドとレイノサ.

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 シウダー・フアレス.

詳細

月曜日 22 3月

イラン

Summer time started

The time was set forward 1時間 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 イラン, including テヘラン.

詳細

金曜日 26 3月

ヨルダン

Summer time started

The time was set forward 1時間 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 ヨルダン, including アンマン.

詳細

シリア

Summer time started

The time was set forward 1時間 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 シリア, including ダマスカス.

詳細

イスラエル

Summer time started

The time was set forward 1時間 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 イスラエル, including エルサレム, テルアビブとハイファ.

詳細

土曜日 27 3月

パレスチナ

Summer time started

The time was set forward 1時間 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 パレスチナ, including West Bank, ガザとヘブロン.

詳細

Western Greenland

Summer time started

The time was set forward 1時間 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 ヌーク.

詳細

日曜日 28 3月

レバノン

Summer time started

The time was set forward 1時間 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 レバノン, including ベイルート.

詳細

モルドバ

Summer time started

The time was set forward 1時間 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 モルドバ, including キシナウ.
Moldova changes to summer time one hour before the rest of Europe.

詳細

Most of Eastern Europe

Summer time started

The time was set forward 1時間 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 ウクライナ, エストニア, オーランド諸島, キプロス, ギリシャ, フィンランド, ブルガリア, ラトビア, リトアニアとルーマニア.
Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.

詳細

Most of Europe

Summer time started

The time was set forward 1時間 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 アルバニア, アンドラ, イタリア, オランダ, オーストリア, クロアチア, コソボ, ジブラルタル, スイス, スウェーデン, スペイン, スロバキア, スロベニア, セルビア, チェコ, デンマーク, ドイツ, ノルウェー, ハンガリー, フランス, ベルギー, ポーランド, マルタ, モナコ, モンテネグロ, リヒテンシュタインとルクセンブルグ.
Summer time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.

詳細

パラグアイ

Winter time started

The time was set back 1時間 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 パラグアイ, including アスンシオン.

詳細

イギリス

Summer time started

The time was set forward 1時間 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 イギリス and its Crown dependencies, including エディンバラ, カーディフ, ガーンジー, グラスゴー, シェフィールド, ジャージー, バーミンガム, ブリストル, ベルファスト, マン島, リヴァプール, リーズとロンドン.
Does not apply to overseas territories.

詳細

アイルランド

Summer time started

The time was set forward 1時間 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 アイルランド, including コーク, ダブリン, ダン・レアリーとリムリック.
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.

詳細

カナリアス, フェロー諸島とポルトガル

Summer time started

The time was set forward 1時間 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 カナリアス, フェロー諸島とポルトガル, including Madeira, Porto, サンタ・クルス・デ・テネリフェ, トースハウン, ラスパルマスとリスボン.
カナリアス changes time simultaneously with the rest of スペイン, but the local time of カナリアス is 1時間 behind スペイン.

詳細

Azores, ポルトガル

Summer time started

The time was set forward 1時間 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 Horta, Ponta Delgada とアングラ・ド・エロイズモ.
Azores changes time simultaneously with the rest of ポルトガル, but the local time of Azores is 1時間 behind ポルトガル.

詳細

Eastern Greenland

Summer time started

The time was set forward 1時間 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 イトコルトルミット.

詳細

Troll research station, 南極

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

詳細

土曜日 3 4月

イースター島, Valparaíso, チリ

Winter time started

The time was set back 1時間 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
イースター島 changes time simultaneously with the rest of チリ, but the local time of イースター島 is two hours behind チリ.

詳細

日曜日 4 4月

サモア

Winter time started

The time was set back 1時間 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

詳細

Chatham Islands, ニュージーランド

Winter time started

The time was set back 1時間 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

詳細

ニュージーランド

Winter time started

The time was set back 1時間 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 ニュージーランド, including ウェリントン, オークランドとクライストチャーチ.
Does not apply to dependent territories and outlying islands.

詳細

ノーフォーク島

Winter time started

The time was set back 1時間 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 ノーフォーク島.
Time zone news: Norfolk Island will have daylight saving time

詳細

ロード・ハウ島, New South Wales, オーストラリア

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

詳細

オーストラリア

Winter time started

The time was set back 1時間 from 03:00 to 02:00 local time.

オーストラリア has 9 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of オーストラリア, 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 ウロンゴン, キャンベラ, シドニー, ニューカッスルとメルボルン.

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 アデレード.

詳細

チリ

Winter time started

The time was set back 1時間 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 チリ, including Puente Alto, アントファガスタ, サンティアゴ, バルパライソとビニャ・デル・マール.
イースター島 changes time simultaneously with the rest of チリ, but the local time of イースター島 is two hours behind チリ.

詳細

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

Summer time started

The time was set forward 1時間 from 02:00 to 03:00 local time.

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, Iztapalapa, グアダラハラ, プエブラとメキシコシティ.

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 クリアカン, チワワとマサトラン.

詳細

日曜日 11 4月

モロッコと西サハラ

Winter time started

The time was set back 1時間 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 モロッコと西サハラ, including カサブランカ, マラケシュとラバト.
Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.

詳細

日曜日 16 5月

モロッコと西サハラ

Summer time starts

The time will be set forward 1時間 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 モロッコと西サハラ, including カサブランカ, マラケシュとラバト.
Morocco and Western Sahara observe permanent daylight saving time, except during Ramadan, when daylight saving time is suspended.

詳細

土曜日 4 9月

イースター島, Valparaíso, チリ

Summer time starts

The time will be set forward 1時間 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
イースター島 changes time simultaneously with the rest of チリ, but the local time of イースター島 is two hours behind チリ.

詳細

日曜日 5 9月

チリ

Summer time starts

The time will be set forward 1時間 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 チリ, including Puente Alto, アントファガスタ, サンティアゴ, バルパライソとビニャ・デル・マール.
イースター島 changes time simultaneously with the rest of チリ, but the local time of イースター島 is two hours behind チリ.

詳細

水曜日 22 9月

イラン

Winter time starts

The time will be set back 1時間 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 イラン, including テヘラン.

詳細

日曜日 26 9月

サモア

Summer time starts

The time will be set forward 1時間 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

詳細

Chatham Islands, ニュージーランド

Summer time starts

The time will be set forward 1時間 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

詳細

ニュージーランド

Summer time starts

The time will be set forward 1時間 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 ニュージーランド, including ウェリントン, オークランドとクライストチャーチ.
Does not apply to dependent territories and outlying islands.

詳細

日曜日 3 10月

ノーフォーク島

Summer time starts

The time will be set forward 1時間 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 ノーフォーク島.
Time zone news: Norfolk Island will have daylight saving time

詳細

ロード・ハウ島, New South Wales, オーストラリア

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

詳細

オーストラリア

Summer time starts

The time will be set forward 1時間 from 02:00 to 03:00 local time.

オーストラリア has 9 time zones. Most of the country observes DST in the summer. Summer time starts at the same local time in all of オーストラリア, 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 ウロンゴン, キャンベラ, シドニー, ニューカッスルとメルボルン.

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 アデレード.

詳細

パラグアイ

Summer time starts

The time will be set forward 1時間 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 パラグアイ, including アスンシオン.

詳細

金曜日 29 10月

シリア

Winter time starts

The time will be set back 1時間 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 シリア, including ダマスカス.

詳細

ヨルダン

Winter time starts

The time will be set back 1時間 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 ヨルダン, including アンマン.

詳細

土曜日 30 10月

パレスチナ

Winter time starts

The time will be set back 1時間 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 パレスチナ, including West Bank, ガザとヘブロン.

詳細

Western Greenland

Winter time starts

The time will be set back 1時間 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 ヌーク.

詳細

日曜日 31 10月

レバノン

Winter time starts

The time will be set back 1時間 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 レバノン, including ベイルート.

詳細

イスラエル

Winter time starts

The time will be set back 1時間 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 イスラエル, including エルサレム, テルアビブとハイファ.

詳細

モルドバ

Winter time starts

The time will be set back 1時間 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 モルドバ, including キシナウ.
Moldova changes to winter time one hour before the rest of Europe.

詳細

Most of Eastern Europe

Winter time starts

The time will be set back 1時間 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 ウクライナ, エストニア, オーランド諸島, キプロス, ギリシャ, フィンランド, ブルガリア, ラトビア, リトアニアとルーマニア.
Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.

詳細

Most of Europe

Winter time starts

The time will be set back 1時間 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 アルバニア, アンドラ, イタリア, オランダ, オーストリア, クロアチア, コソボ, ジブラルタル, スイス, スウェーデン, スペイン, スロバキア, スロベニア, セルビア, チェコ, デンマーク, ドイツ, ノルウェー, ハンガリー, フランス, ベルギー, ポーランド, マルタ, モナコ, モンテネグロ, リヒテンシュタインとルクセンブルグ.
Winter time starts at the same time in all of Europe (except Moldova), but at different local times, depending on the time zone.

詳細

イギリス

Winter time starts

The time will be set back 1時間 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 イギリス and its Crown dependencies, including エディンバラ, カーディフ, ガーンジー, グラスゴー, シェフィールド, ジャージー, バーミンガム, ブリストル, ベルファスト, マン島, リヴァプール, リーズとロンドン.
Does not apply to overseas territories.

詳細

アイルランド

Winter time starts

The time will be set back 1時間 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 アイルランド, including コーク, ダブリン, ダン・レアリーとリムリック.
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.

詳細

カナリアス, フェロー諸島とポルトガル

Winter time starts

The time will be set back 1時間 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 カナリアス, フェロー諸島とポルトガル, including Madeira, Porto, サンタ・クルス・デ・テネリフェ, トースハウン, ラスパルマスとリスボン.
カナリアス changes time simultaneously with the rest of スペイン, but the local time of カナリアス is 1時間 behind スペイン.

詳細

Azores, ポルトガル

Winter time starts

The time will be set back 1時間 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 Horta, Ponta Delgada とアングラ・ド・エロイズモ.
Azores changes time simultaneously with the rest of ポルトガル, but the local time of Azores is 1時間 behind ポルトガル.

詳細

Eastern Greenland

Winter time starts

The time will be set back 1時間 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 イトコルトルミット.

詳細

Troll research station, 南極

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

詳細

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

Winter time starts

The time will be set back 1時間 from 02:00 to 01:00 local time.

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, Iztapalapa, グアダラハラ, プエブラとメキシコシティ.

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 クリアカン, チワワとマサトラン.

詳細

日曜日 7 11月

サンピエール島・ミクロン島

Winter time starts

The time will be set back 1時間 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

詳細

キューバ

Winter time starts

The time will be set back 1時間 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 キューバ, including サンタ・クララ, サンティアーゴ・デ・クーバとハバナ.

詳細

バミューダ

Winter time starts

The time will be set back 1時間 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 バミューダ.

詳細

Thule, グリーンランド

Winter time starts

The time will be set back 1時間 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.

詳細

アメリカ合衆国

Winter time starts

The time will be set back 1時間 from 02:00 to 01:00 local time.

アメリカ合衆国 has 11 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of アメリカ合衆国, 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 Philadelphia, Washington, D.C., ニューヨークとマイアミ.

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 オースティン, サンアントニオ, シカゴ, ダラスとヒューストン.

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 アルバカーキ, エル・パソとデンバー.

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 サンディエゴ, サンノゼ, サンフランシスコ, シアトル, ポートランド, ラスベガスとロサンゼルス.

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 アンカレッジ, ジュノーとフェアバンクス.

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

詳細

カナダ

Winter time starts

The time will be set back 1時間 from 02:00 to 01:00 local time.

カナダ has 6 time zones. Most of the country observes DST in the summer. Winter time starts at the same local time in all of カナダ, 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 ニューブランズウィック州, ノバスコシア州とプリンスエドワードアイランド州.

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 オタワ, トロントとモントリオール.

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 マニトバ州.

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 エドモントンとカルガリー.

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 オカナガン, サレー, バンクーバー, バーナビーとビクトリア.

詳細

バハマ

Winter time starts

The time will be set back 1時間 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 バハマ, including ナッソー.

詳細

ハイチ

Winter time starts

The time will be set back 1時間 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 ハイチ, including ポルトープランス.

詳細

タークス諸島・カイコス諸島

Winter time starts

The time will be set back 1時間 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 タークス諸島・カイコス諸島, including コックバーンタウン.

詳細

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

Winter time starts

The time will be set back 1時間 from 02:00 to 01:00 local time.

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 エンセナーダ, ティフアナとメヒカリ.

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, ヌエボ・ラレドとレイノサ.

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 シウダー・フアレス.

詳細

日曜日 14 11月

フィジー

Summer time starts

The time will be set forward 1時間 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 フィジー.
Time zone news: New start date for DST in Fiji

詳細

18:52:35

2021年, 4月 19日, 月曜日, 第16週

太陽 ↑ 06:10 ↓ 19:40 (13時 29分) 詳細

Time.is

Daylight Saving Time 2021

The next event happens on 2021年, 5月 16, when DST starts in モロッコ と 西サハラ.

フィジー

南スーダン

サンピエール島・ミクロン島

キューバ

バミューダ

Thule, グリーンランド

アメリカ合衆国

Eastern Time

Central Time

Mountain Time

Pacific Time

Alaska Time

Alaska: Islands west of -169.5°

カナダ

Newfoundland Time

Atlantic Time

Eastern Time

Central Time

Mountain Time

Pacific Time

バハマ

ハイチ

タークス諸島・カイコス諸島

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

Zona Noroeste

US border regions in Zona Centro

US border regions in Zona Pacífico

イラン

ヨルダン

シリア

イスラエル

パレスチナ

Western Greenland

レバノン

モルドバ

Most of Eastern Europe

Most of Europe

パラグアイ

イギリス

アイルランド

カナリアス, フェロー諸島 と ポルトガル

Azores, ポルトガル

Eastern Greenland

Troll research station, 南極

イースター島, Valparaíso, チリ

サモア

Chatham Islands, ニュージーランド

ニュージーランド

ノーフォーク島

ロード・ハウ島, New South Wales, オーストラリア

オーストラリア

Australian Eastern Time

Australian Central Time

チリ

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

Zona Centro

Zona Pacífico, except Sonora

モロッコ と 西サハラ

モロッコ と 西サハラ

イースター島, Valparaíso, チリ

チリ

イラン

サモア

Chatham Islands, ニュージーランド

ニュージーランド

ノーフォーク島

ロード・ハウ島, New South Wales, オーストラリア

オーストラリア

Australian Eastern Time

Australian Central Time

パラグアイ

シリア

ヨルダン

パレスチナ

Western Greenland

レバノン

イスラエル

The next event happens on 2021年, 5月 16, when DST starts in モロッコと西サハラ.

カナリアス, フェロー諸島とポルトガル

モロッコと西サハラ

モロッコと西サハラ

カナリアス, フェロー諸島とポルトガル