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UTC · Coordinated Universal Time

World Time Kit

Upcoming clock changes worldwide

112 scheduled changes over the coming year across the time zones covered by this site, in the order they take effect. Each row shows the change in the zone's own local time and the exact UTC instant it happens.

September 2026

Local date Zone Change Local time UTC instant Affects
September 6, 2026 in 38 days America/Santiago Forward 60 min 23:59 → 01:00 (CLT→CLST) Santiago
September 27, 2026 in 58 days Pacific/Auckland Forward 60 min 01:59 → 03:00 (NZST→NZDT) Auckland and 3 more

October 2026

Local date Zone Change Local time UTC instant Affects
October 4, 2026 in 65 days Australia/Hobart Forward 60 min 01:59 → 03:00 (AEST→AEDT) Hobart
October 4, 2026 in 65 days Australia/Melbourne Forward 60 min 01:59 → 03:00 (AEST→AEDT) Melbourne
October 4, 2026 in 65 days Australia/Sydney Forward 60 min 01:59 → 03:00 (AEST→AEDT) Sydney and 1 more
October 4, 2026 in 65 days Australia/Adelaide Forward 60 min 01:59 → 03:00 (ACST→ACDT) Adelaide
October 24, 2026 in 86 days Asia/Beirut Back 60 min 23:59 → 23:00 (EEST→EET) Beirut
October 25, 2026 in 87 days Asia/Jerusalem Back 60 min 01:59 → 01:00 (IDT→IST) Tel Aviv and 1 more
October 25, 2026 in 87 days Atlantic/Azores Back 60 min 00:59 → 00:00 (GMT→AZOT) Ponta Delgada
October 25, 2026 in 87 days Atlantic/Canary Back 60 min 01:59 → 01:00 (WEST→GMT) Las Palmas
October 25, 2026 in 87 days Europe/Dublin Back 60 min 01:59 → 01:00 (IST→GMT) Dublin and 1 more
October 25, 2026 in 87 days Europe/Lisbon Back 60 min 01:59 → 01:00 (WEST→GMT) Lisbon and 1 more
October 25, 2026 in 87 days Europe/London Back 60 min 01:59 → 01:00 (BST→GMT) London and 9 more
October 25, 2026 in 87 days Europe/Amsterdam Back 60 min 02:59 → 02:00 (CEST→CET) Amsterdam and 4 more
October 25, 2026 in 87 days Europe/Belgrade Back 60 min 02:59 → 02:00 (CEST→CET) Belgrade
October 25, 2026 in 87 days Europe/Berlin Back 60 min 02:59 → 02:00 (CEST→CET) Berlin and 9 more
October 25, 2026 in 87 days Europe/Bratislava Back 60 min 02:59 → 02:00 (CEST→CET) Bratislava
October 25, 2026 in 87 days Europe/Brussels Back 60 min 02:59 → 02:00 (CEST→CET) Brussels and 2 more
October 25, 2026 in 87 days Europe/Budapest Back 60 min 02:59 → 02:00 (CEST→CET) Budapest
October 25, 2026 in 87 days Europe/Copenhagen Back 60 min 02:59 → 02:00 (CEST→CET) Copenhagen and 1 more
October 25, 2026 in 87 days Europe/Madrid Back 60 min 02:59 → 02:00 (CEST→CET) Barcelona and 5 more
October 25, 2026 in 87 days Europe/Oslo Back 60 min 02:59 → 02:00 (CEST→CET) Oslo and 2 more
October 25, 2026 in 87 days Europe/Paris Back 60 min 02:59 → 02:00 (CEST→CET) Paris and 7 more
October 25, 2026 in 87 days Europe/Prague Back 60 min 02:59 → 02:00 (CEST→CET) Prague and 1 more
October 25, 2026 in 87 days Europe/Rome Back 60 min 02:59 → 02:00 (CEST→CET) Milan and 7 more
October 25, 2026 in 87 days Europe/Stockholm Back 60 min 02:59 → 02:00 (CEST→CET) Stockholm and 2 more
October 25, 2026 in 87 days Europe/Vienna Back 60 min 02:59 → 02:00 (CEST→CET) Vienna and 2 more
October 25, 2026 in 87 days Europe/Warsaw Back 60 min 02:59 → 02:00 (CEST→CET) Warsaw and 3 more
October 25, 2026 in 87 days Europe/Zagreb Back 60 min 02:59 → 02:00 (CEST→CET) Split and 1 more
October 25, 2026 in 87 days Europe/Zurich Back 60 min 02:59 → 02:00 (CEST→CET) Zurich and 3 more
October 25, 2026 in 87 days Europe/Athens Back 60 min 03:59 → 03:00 (EEST→EET) Athens and 1 more
October 25, 2026 in 87 days Europe/Bucharest Back 60 min 03:59 → 03:00 (EEST→EET) Bucharest and 1 more
October 25, 2026 in 87 days Europe/Helsinki Back 60 min 03:59 → 03:00 (EEST→EET) Helsinki and 1 more
October 25, 2026 in 87 days Europe/Kyiv Back 60 min 03:59 → 03:00 (EEST→EET) Kyiv and 2 more
October 25, 2026 in 87 days Europe/Riga Back 60 min 03:59 → 03:00 (EEST→EET) Riga
October 25, 2026 in 87 days Europe/Sofia Back 60 min 03:59 → 03:00 (EEST→EET) Sofia
October 25, 2026 in 87 days Europe/Tallinn Back 60 min 03:59 → 03:00 (EEST→EET) Tallinn
October 25, 2026 in 87 days Europe/Vilnius Back 60 min 03:59 → 03:00 (EEST→EET) Vilnius
October 29, 2026 in 91 days Africa/Cairo Back 60 min 23:59 → 23:00 (EEST→EET) Cairo and 1 more

November 2026

Local date Zone Change Local time UTC instant Affects
November 1, 2026 in 94 days America/St_Johns Back 60 min 01:59 → 01:00 (NDT→NST) St. John's
November 1, 2026 in 94 days America/Havana Back 60 min 00:59 → 00:00 (UTC-4→UTC-5) Havana
November 1, 2026 in 94 days America/Halifax Back 60 min 01:59 → 01:00 (ADT→AST) Halifax
November 1, 2026 in 94 days America/Detroit Back 60 min 01:59 → 01:00 (EDT→EST) Detroit
November 1, 2026 in 94 days America/Indiana/Indianapolis Back 60 min 01:59 → 01:00 (EDT→EST) Indianapolis
November 1, 2026 in 94 days America/New_York Back 60 min 01:59 → 01:00 (EDT→EST) Miami and 16 more
November 1, 2026 in 94 days America/Toronto Back 60 min 01:59 → 01:00 (EDT→EST) Toronto and 3 more
November 1, 2026 in 94 days America/Chicago Back 60 min 01:59 → 01:00 (CDT→CST) Chicago and 12 more
November 1, 2026 in 94 days America/Winnipeg Back 60 min 01:59 → 01:00 (CDT→CST) Winnipeg
November 1, 2026 in 94 days America/Boise Back 60 min 01:59 → 01:00 (MDT→MST) Boise
November 1, 2026 in 94 days America/Denver Back 60 min 01:59 → 01:00 (MDT→MST) Denver and 3 more
November 1, 2026 in 94 days America/Edmonton Back 60 min 01:59 → 01:00 (MDT→MST) Calgary and 1 more
November 1, 2026 in 94 days America/Los_Angeles Back 60 min 01:59 → 01:00 (PDT→PST) Los Angeles and 7 more
November 1, 2026 in 94 days America/Tijuana Back 60 min 01:59 → 01:00 (PDT→PST) Tijuana
November 1, 2026 in 94 days America/Vancouver Back 60 min 01:59 → 01:00 (PDT→PST) Vancouver and 1 more
November 1, 2026 in 94 days America/Anchorage Back 60 min 01:59 → 01:00 (AKDT→AKST) Anchorage

February 2027

Local date Zone Change Local time UTC instant Affects
February 7, 2027 in 192 days Africa/Casablanca Back 60 min 02:59 → 02:00 (WEST→GMT) Casablanca and 2 more

March 2027

Local date Zone Change Local time UTC instant Affects
March 14, 2027 in 227 days Africa/Casablanca Forward 60 min 01:59 → 03:00 (GMT→WEST) Casablanca and 2 more
March 14, 2027 in 227 days America/Havana Forward 60 min 23:59 → 01:00 (UTC-5→UTC-4) Havana
March 14, 2027 in 227 days America/St_Johns Forward 60 min 01:59 → 03:00 (NST→NDT) St. John's
March 14, 2027 in 227 days America/Halifax Forward 60 min 01:59 → 03:00 (AST→ADT) Halifax
March 14, 2027 in 227 days America/Detroit Forward 60 min 01:59 → 03:00 (EST→EDT) Detroit
March 14, 2027 in 227 days America/Indiana/Indianapolis Forward 60 min 01:59 → 03:00 (EST→EDT) Indianapolis
March 14, 2027 in 227 days America/New_York Forward 60 min 01:59 → 03:00 (EST→EDT) Miami and 16 more
March 14, 2027 in 227 days America/Toronto Forward 60 min 01:59 → 03:00 (EST→EDT) Toronto and 3 more
March 14, 2027 in 227 days America/Chicago Forward 60 min 01:59 → 03:00 (CST→CDT) Chicago and 12 more
March 14, 2027 in 227 days America/Winnipeg Forward 60 min 01:59 → 03:00 (CST→CDT) Winnipeg
March 14, 2027 in 227 days America/Boise Forward 60 min 01:59 → 03:00 (MST→MDT) Boise
March 14, 2027 in 227 days America/Denver Forward 60 min 01:59 → 03:00 (MST→MDT) Denver and 3 more
March 14, 2027 in 227 days America/Edmonton Forward 60 min 01:59 → 03:00 (MST→MDT) Calgary and 1 more
March 14, 2027 in 227 days America/Los_Angeles Forward 60 min 01:59 → 03:00 (PST→PDT) Los Angeles and 7 more
March 14, 2027 in 227 days America/Tijuana Forward 60 min 01:59 → 03:00 (PST→PDT) Tijuana
March 14, 2027 in 227 days America/Vancouver Forward 60 min 01:59 → 03:00 (PST→PDT) Vancouver and 1 more
March 14, 2027 in 227 days America/Anchorage Forward 60 min 01:59 → 03:00 (AKST→AKDT) Anchorage
March 26, 2027 in 239 days Asia/Jerusalem Forward 60 min 01:59 → 03:00 (IST→IDT) Tel Aviv and 1 more
March 28, 2027 in 240 days Asia/Beirut Forward 60 min 23:59 → 01:00 (EET→EEST) Beirut
March 28, 2027 in 241 days Atlantic/Azores Forward 60 min 23:59 → 01:00 (AZOT→GMT) Ponta Delgada
March 28, 2027 in 241 days Atlantic/Canary Forward 60 min 00:59 → 02:00 (GMT→WEST) Las Palmas
March 28, 2027 in 241 days Europe/Dublin Forward 60 min 00:59 → 02:00 (GMT→IST) Dublin and 1 more
March 28, 2027 in 241 days Europe/Lisbon Forward 60 min 00:59 → 02:00 (GMT→WEST) Lisbon and 1 more
March 28, 2027 in 241 days Europe/London Forward 60 min 00:59 → 02:00 (GMT→BST) London and 9 more
March 28, 2027 in 241 days Europe/Amsterdam Forward 60 min 01:59 → 03:00 (CET→CEST) Amsterdam and 4 more
March 28, 2027 in 241 days Europe/Belgrade Forward 60 min 01:59 → 03:00 (CET→CEST) Belgrade
March 28, 2027 in 241 days Europe/Berlin Forward 60 min 01:59 → 03:00 (CET→CEST) Berlin and 9 more
March 28, 2027 in 241 days Europe/Bratislava Forward 60 min 01:59 → 03:00 (CET→CEST) Bratislava
March 28, 2027 in 241 days Europe/Brussels Forward 60 min 01:59 → 03:00 (CET→CEST) Brussels and 2 more
March 28, 2027 in 241 days Europe/Budapest Forward 60 min 01:59 → 03:00 (CET→CEST) Budapest
March 28, 2027 in 241 days Europe/Copenhagen Forward 60 min 01:59 → 03:00 (CET→CEST) Copenhagen and 1 more
March 28, 2027 in 241 days Europe/Madrid Forward 60 min 01:59 → 03:00 (CET→CEST) Barcelona and 5 more
March 28, 2027 in 241 days Europe/Oslo Forward 60 min 01:59 → 03:00 (CET→CEST) Oslo and 2 more
March 28, 2027 in 241 days Europe/Paris Forward 60 min 01:59 → 03:00 (CET→CEST) Paris and 7 more
March 28, 2027 in 241 days Europe/Prague Forward 60 min 01:59 → 03:00 (CET→CEST) Prague and 1 more
March 28, 2027 in 241 days Europe/Rome Forward 60 min 01:59 → 03:00 (CET→CEST) Milan and 7 more
March 28, 2027 in 241 days Europe/Stockholm Forward 60 min 01:59 → 03:00 (CET→CEST) Stockholm and 2 more
March 28, 2027 in 241 days Europe/Vienna Forward 60 min 01:59 → 03:00 (CET→CEST) Vienna and 2 more
March 28, 2027 in 241 days Europe/Warsaw Forward 60 min 01:59 → 03:00 (CET→CEST) Warsaw and 3 more
March 28, 2027 in 241 days Europe/Zagreb Forward 60 min 01:59 → 03:00 (CET→CEST) Split and 1 more
March 28, 2027 in 241 days Europe/Zurich Forward 60 min 01:59 → 03:00 (CET→CEST) Zurich and 3 more
March 28, 2027 in 241 days Europe/Athens Forward 60 min 02:59 → 04:00 (EET→EEST) Athens and 1 more
March 28, 2027 in 241 days Europe/Bucharest Forward 60 min 02:59 → 04:00 (EET→EEST) Bucharest and 1 more
March 28, 2027 in 241 days Europe/Helsinki Forward 60 min 02:59 → 04:00 (EET→EEST) Helsinki and 1 more
March 28, 2027 in 241 days Europe/Kyiv Forward 60 min 02:59 → 04:00 (EET→EEST) Kyiv and 2 more
March 28, 2027 in 241 days Europe/Riga Forward 60 min 02:59 → 04:00 (EET→EEST) Riga
March 28, 2027 in 241 days Europe/Sofia Forward 60 min 02:59 → 04:00 (EET→EEST) Sofia
March 28, 2027 in 241 days Europe/Tallinn Forward 60 min 02:59 → 04:00 (EET→EEST) Tallinn
March 28, 2027 in 241 days Europe/Vilnius Forward 60 min 02:59 → 04:00 (EET→EEST) Vilnius

April 2027

Local date Zone Change Local time UTC instant Affects
April 4, 2027 in 247 days Pacific/Auckland Back 60 min 02:59 → 02:00 (NZDT→NZST) Auckland and 3 more
April 4, 2027 in 247 days Australia/Hobart Back 60 min 02:59 → 02:00 (AEDT→AEST) Hobart
April 4, 2027 in 247 days Australia/Melbourne Back 60 min 02:59 → 02:00 (AEDT→AEST) Melbourne
April 4, 2027 in 247 days Australia/Sydney Back 60 min 02:59 → 02:00 (AEDT→AEST) Sydney and 1 more
April 4, 2027 in 247 days Australia/Adelaide Back 60 min 02:59 → 02:00 (ACDT→ACST) Adelaide
April 3, 2027 in 248 days America/Santiago Back 60 min 23:59 → 23:00 (CLST→CLT) Santiago
April 30, 2027 in 273 days Africa/Cairo Forward 60 min 23:59 → 01:00 (EET→EEST) Cairo and 1 more

Frequently asked questions

Why do zones in the same country change at different moments?

It depends how the rule is written. European rules are expressed in UTC, so every European zone changes at the same instant. United States rules are expressed as 02:00 local time, so Eastern, Central, Mountain and Pacific each change one hour apart. Both appear on this list as separate rows for that reason.

How far ahead can these dates be trusted?

They are the rules currently published in the IANA time zone database, which is what operating systems and browsers use. Governments do occasionally change or abolish daylight saving with only a few weeks' notice — when that happens the database is updated and these pages are regenerated on the next build.

What does "forward" and "back" mean here?

Forward means the clock skips ahead, so a stretch of local time never happens and the day is shorter. Back means the clock repeats an hour, so that local time occurs twice and the day is longer. The local-time column shows the exact readings on either side of each change.

Related tools

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