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1:01:54pm
Total Solar Eclipse· 5d 21h 43m 06s

Upcoming Daylight Saving Time Changes

Find the next spring-forward and fall-back dates worldwide. Every entry shows the local transition time, affected countries or regions, and the standard and daylight time abbreviations used before and after the change.

LOCAL TIME NOW

01:01:54pm
Thursday, August 6, 2026
PDT(UTC-7)

UTC TIME NOW

08:01:54pm
Thursday, August 6, 2026
UTC(UTC+0)

How daylight saving time changes work

Daylight saving time (DST) shifts local clocks seasonally, but countries do not all change on the same date. The calendar below uses each location's local transition time so you can see exactly when its UTC offset changes.

Spring forward

Clocks move ahead, usually by one hour. The local day has a skipped hour and the UTC offset moves forward.

Fall back

Clocks move back, usually by one hour. One local hour repeats and the UTC offset returns to standard time.

Local transition time

Dates and times are shown in the affected zone. Use the linked abbreviations to verify offsets before scheduling.

Upcoming daylight saving time calendar

Sort the worldwide schedule by date or filter it by month. Country links open local-time overviews; abbreviation links explain the standard or daylight time used on each side of the clock change.

Sort by date
Month
205 zones

September 2026

September 6, 2026 (Sun)
12:00 am → 1:00 am (forward)
Clocks move forward by 1h
Chile(Some locations)
America/Santiago
CLT (Chile Standard Time)→CLST (Chile Summer Time)
September 5, 2026 (Sat)
10:00 pm → 11:00 pm (forward)
Clocks move forward by 1h
Pacific
All locations
EAST (Easter Island Standard Time)→EASST (Easter Island Summer Time)
September 27, 2026 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
New Zealand(Some locations)
Pacific/Auckland
NZST (New Zealand Standard Time)→NZDT (New Zealand Daylight Time)
September 27, 2026 (Sun)
2:45 am → 3:45 am (forward)
Clocks move forward by 1h
New Zealand(Some locations)
Pacific/Chatham
CHAST (Chatham Standard Time)→CHADT (Chatham Daylight Time)

October 2026

October 4, 2026 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
Norfolk Island(All locations)
NFT (Norfolk Island Time)→NFST (Norfolk Island Summer Time)
Antarctica
All locations
+11 (+11)→+11 (+11)
Australia(Some locations)
Australia/Hobart, Australia/Melbourne, Australia/Sydney
AEST (Australian Eastern Standard Time)→AEDT (Australian Eastern Daylight Time)
Australia(Some locations)
Australia/Adelaide
ACST (Australian Central Standard Time)→ACDT (Australian Central Daylight Time)
October 4, 2026 (Sun)
2:00 am → 2:30 am (forward)
Clocks move forward by 30m
Australia
All locations
LHST (Lord Howe Standard Time)→LHDT (Lord Howe Daylight Time)
October 24, 2026 (Sat)
2:00 am → 1:00 am (back)
Clocks move back by 1h
West Bank(Some locations)
Asia/Gaza, Asia/Hebron
EEST (Eastern European Summer Time)→EET (Eastern European Time)
October 24, 2026 (Sat)
12:00 am → 11:00 pm (back)
Clocks move back by 1h
Lebanon(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
North America
Some locations
WGST (Western Greenland Summer Time)→WGT (Western Greenland Time)
Greenland(All locations)
UTC-1 (UTC-1)→UTC-2 (UTC-2)
North America
All locations
EGST (Eastern Greenland Summer Time)→EGT (Eastern Greenland Time)
October 25, 2026 (Sun)
2:00 am → 1:00 am (back)
Clocks move back by 1h
Israel(All locations)
West Bank(Some locations)
Asia/Jerusalem
IDT (Israel Daylight Time)→IST (Israel Standard Time)
Faroe Islands(All locations)
Portugal(Some locations)
Atlantic/Madeira, Europe/Lisbon
Spain(Some locations)
Atlantic/Canary
WEST (Western European Summer Time)→WET (Western European Time)
Ireland(All locations)
IST (Irish Standard Time)→GMT (Greenwich Mean Time)
Guernsey(All locations)
Isle of Man(All locations)
Jersey(All locations)
United Kingdom(All locations)
BST (British Summer Time)→GMT (Greenwich Mean Time)
October 25, 2026 (Sun)
3:00 am → 2:00 am (back)
Clocks move back by 1h
Moldova(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
Albania(All locations)
Andorra(All locations)
Austria(All locations)
Belgium(All locations)
Bosnia and Herzegovina(All locations)
Croatia(All locations)
Czechia(All locations)
Denmark(All locations)
France(All locations)
Germany(All locations)
Gibraltar(All locations)
Hungary(All locations)
Italy(All locations)
Kosovo(All locations)
Liechtenstein(All locations)
Luxembourg(All locations)
Malta(All locations)
Monaco(All locations)
Montenegro(All locations)
Netherlands(All locations)
North Macedonia(All locations)
Norway(All locations)
Poland(All locations)
San Marino(All locations)
Serbia(All locations)
Slovakia(All locations)
Slovenia(All locations)
Spain(Some locations)
Africa/Ceuta, Europe/Madrid
Svalbard and Jan Mayen(All locations)
Sweden(All locations)
Switzerland(All locations)
Vatican City State(All locations)
CEST (Central European Summer Time)→CET (Central European Time)
October 25, 2026 (Sun)
4:00 am → 3:00 am (back)
Clocks move back by 1h
Aland Islands(All locations)
Europe/Helsinki, Europe/Mariehamn
Bulgaria(All locations)
Cyprus(All locations)
Asia/Nicosia, Europe/Nicosia
Estonia(All locations)
Finland(All locations)
Greece(All locations)
Latvia(All locations)
Lithuania(All locations)
Romania(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
Africa
Some locations
EET (Eastern European Time)→EET (Eastern European Time)
Ukraine(Some locations)
Europe/Kyiv
UTC+3 (UTC+3)→UTC+2 (UTC+2)
October 25, 2026 (Sun)
3:00 am → 1:00 am (back)
Clocks move back by 2h
Antarctica
All locations
+02 (+02)→+02 (+02)
October 25, 2026 (Sun)
1:00 am → 12:00 am (back)
Clocks move back by 1h
Portugal(Some locations)
Atlantic/Azores
AZOST (Azores Summer Time)→AZOT (Azores Standard Time)
October 29, 2026 (Thu)
12:00 am → 11:00 pm (back)
Clocks move back by 1h
Egypt(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)

November 2026

November 1, 2026 (Sun)
2:00 am → 1:00 am (back)
Clocks move back by 1h
PMDT (Saint Pierre and Miquelon Daylight Time)→PMST (Saint Pierre and Miquelon Standard Time)
Canada(Some locations)
America/St_Johns
NDT (Newfoundland Daylight Time)→NST (Newfoundland Standard Time)
Bermuda(All locations)
Canada(Some locations)
America/Glace_Bay, America/Halifax, America/Moncton
ADT (Atlantic Daylight Time)→AST (Atlantic Standard Time)
Bahamas(All locations)
Canada(Some locations)
America/Iqaluit, America/Toronto
Haiti(All locations)
United States(Some locations)
America/Detroit, America/Indiana/Indianapolis, America/Kentucky/Louisville, America/New_York
EDT (Eastern Daylight Time)→EST (Eastern Standard Time)
Canada(Some locations)
America/Edmonton
Mexico(Some locations)
America/Ciudad_Juarez
United States(Some locations)
America/Boise, America/Denver
MDT (Mountain Daylight Time)→MST (Mountain Standard Time)
Canada(Some locations)
America/Winnipeg
Mexico(Some locations)
America/Matamoros
United States(Some locations)
America/Chicago, America/North_Dakota/New_Salem
CDT (Central Daylight Time)→CST (Central Standard Time)
North America
Some locations
CST (Central Standard Time)→CST (Central Standard Time)
Canada(Some locations)
America/Vancouver
Mexico(Some locations)
America/Tijuana
United States(Some locations)
America/Los_Angeles
PDT (Pacific Daylight Time)→PST (Pacific Standard Time)
United States(Some locations)
America/Anchorage, America/Juneau
AKDT (Alaska Daylight Time)→AKST (Alaska Standard Time)
North America
Some locations
AKST (Alaska Standard Time)→AKST (Alaska Standard Time)
North America
All locations
HDT (Hawaii-Aleutian Daylight Time)→HST (Hawaii-Aleutian Standard Time)
November 1, 2026 (Sun)
1:00 am → 12:00 am (back)
Clocks move back by 1h
Cuba(All locations)
CDT (Cuba Daylight Time)→CST (Cuba Standard Time)

February 2027

February 7, 2027 (Sun)
3:00 am → 2:00 am (back)
Clocks move back by 1h
Morocco(All locations)
Western Sahara(All locations)
WEST (Western European Summer Time)→WET (Western European Time)

March 2027

March 14, 2027 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
Morocco(All locations)
Western Sahara(All locations)
WET (Western European Time)→WEST (Western European Summer Time)
PMST (Saint Pierre and Miquelon Standard Time)→PMDT (Saint Pierre and Miquelon Daylight Time)
Canada(Some locations)
America/St_Johns
NST (Newfoundland Standard Time)→NDT (Newfoundland Daylight Time)
Bermuda(All locations)
Canada(Some locations)
America/Glace_Bay, America/Halifax, America/Moncton
AST (Atlantic Standard Time)→ADT (Atlantic Daylight Time)
Bahamas(All locations)
Canada(Some locations)
America/Iqaluit, America/Toronto
Haiti(All locations)
United States(Some locations)
America/Detroit, America/Indiana/Indianapolis, America/Kentucky/Louisville, America/New_York
EST (Eastern Standard Time)→EDT (Eastern Daylight Time)
Canada(Some locations)
America/Edmonton
Mexico(Some locations)
America/Ciudad_Juarez
United States(Some locations)
America/Boise, America/Denver
MST (Mountain Standard Time)→MDT (Mountain Daylight Time)
Canada(Some locations)
America/Winnipeg
Mexico(Some locations)
America/Matamoros
United States(Some locations)
America/Chicago, America/North_Dakota/New_Salem
CST (Central Standard Time)→CDT (Central Daylight Time)
North America
Some locations
CST (Central Standard Time)→CST (Central Standard Time)
Canada(Some locations)
America/Vancouver
Mexico(Some locations)
America/Tijuana
United States(Some locations)
America/Los_Angeles
PST (Pacific Standard Time)→PDT (Pacific Daylight Time)
United States(Some locations)
America/Anchorage, America/Juneau
AKST (Alaska Standard Time)→AKDT (Alaska Daylight Time)
North America
Some locations
AKST (Alaska Standard Time)→AKST (Alaska Standard Time)
North America
All locations
HST (Hawaii-Aleutian Standard Time)→HDT (Hawaii-Aleutian Daylight Time)
March 14, 2027 (Sun)
12:00 am → 1:00 am (forward)
Clocks move forward by 1h
Cuba(All locations)
CST (Cuba Standard Time)→CDT (Cuba Daylight Time)
March 26, 2027 (Fri)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
Israel(All locations)
West Bank(Some locations)
Asia/Jerusalem
IST (Israel Standard Time)→IDT (Israel Daylight Time)
March 27, 2027 (Sat)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
West Bank(Some locations)
Asia/Gaza, Asia/Hebron
EET (Eastern European Time)→EEST (Eastern European Summer Time)
March 28, 2027 (Sun)
12:00 am → 1:00 am (forward)
Clocks move forward by 1h
Lebanon(All locations)
EET (Eastern European Time)→EEST (Eastern European Summer Time)
Portugal(Some locations)
Atlantic/Azores
AZOT (Azores Standard Time)→AZOST (Azores Summer Time)
March 28, 2027 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
Moldova(All locations)
EET (Eastern European Time)→EEST (Eastern European Summer Time)
Albania(All locations)
Andorra(All locations)
Austria(All locations)
Belgium(All locations)
Bosnia and Herzegovina(All locations)
Croatia(All locations)
Czechia(All locations)
Denmark(All locations)
France(All locations)
Germany(All locations)
Gibraltar(All locations)
Hungary(All locations)
Italy(All locations)
Kosovo(All locations)
Liechtenstein(All locations)
Luxembourg(All locations)
Malta(All locations)
Monaco(All locations)
Montenegro(All locations)
Netherlands(All locations)
North Macedonia(All locations)
Norway(All locations)
Poland(All locations)
San Marino(All locations)
Serbia(All locations)
Slovakia(All locations)
Slovenia(All locations)
Spain(Some locations)
Africa/Ceuta, Europe/Madrid
Svalbard and Jan Mayen(All locations)
Sweden(All locations)
Switzerland(All locations)
Vatican City State(All locations)
CET (Central European Time)→CEST (Central European Summer Time)
March 28, 2027 (Sun)
3:00 am → 4:00 am (forward)
Clocks move forward by 1h
Aland Islands(All locations)
Europe/Helsinki, Europe/Mariehamn
Bulgaria(All locations)
Cyprus(All locations)
Asia/Nicosia, Europe/Nicosia
Estonia(All locations)
Finland(All locations)
Greece(All locations)
Latvia(All locations)
Lithuania(All locations)
Romania(All locations)
EET (Eastern European Time)→EEST (Eastern European Summer Time)
Africa
Some locations
EET (Eastern European Time)→EET (Eastern European Time)
Ukraine(Some locations)
Europe/Kyiv
UTC+2 (UTC+2)→UTC+3 (UTC+3)
March 28, 2027 (Sun)
1:00 am → 2:00 am (forward)
Clocks move forward by 1h
Faroe Islands(All locations)
Portugal(Some locations)
Atlantic/Madeira, Europe/Lisbon
Spain(Some locations)
Atlantic/Canary
WET (Western European Time)→WEST (Western European Summer Time)
Ireland(All locations)
GMT (Greenwich Mean Time)→IST (Irish Standard Time)
Guernsey(All locations)
Isle of Man(All locations)
Jersey(All locations)
United Kingdom(All locations)
GMT (Greenwich Mean Time)→BST (British Summer Time)
March 28, 2027 (Sun)
11:00 pm → 12:00 am (forward)
Clocks move forward by 1h
North America
Some locations
WGT (Western Greenland Time)→WGST (Western Greenland Summer Time)
Greenland(All locations)
UTC-2 (UTC-2)→UTC-1 (UTC-1)
North America
All locations
EGT (Eastern Greenland Time)→EGST (Eastern Greenland Summer Time)
March 28, 2027 (Sun)
1:00 am → 3:00 am (forward)
Clocks move forward by 2h
Antarctica
All locations
+02 (+02)→+02 (+02)

April 2027

April 4, 2027 (Sun)
3:00 am → 2:00 am (back)
Clocks move back by 1h
New Zealand(Some locations)
Pacific/Auckland
NZDT (New Zealand Daylight Time)→NZST (New Zealand Standard Time)
Norfolk Island(All locations)
NFST (Norfolk Island Summer Time)→NFT (Norfolk Island Time)
Antarctica
All locations
+11 (+11)→+11 (+11)
Australia(Some locations)
Australia/Hobart, Australia/Melbourne, Australia/Sydney
AEDT (Australian Eastern Daylight Time)→AEST (Australian Eastern Standard Time)
Australia(Some locations)
Australia/Adelaide
ACDT (Australian Central Daylight Time)→ACST (Australian Central Standard Time)
April 4, 2027 (Sun)
3:45 am → 2:45 am (back)
Clocks move back by 1h
New Zealand(Some locations)
Pacific/Chatham
CHADT (Chatham Daylight Time)→CHAST (Chatham Standard Time)
April 4, 2027 (Sun)
2:00 am → 1:30 am (back)
Clocks move back by 30m
Australia
All locations
LHDT (Lord Howe Daylight Time)→LHST (Lord Howe Standard Time)
April 3, 2027 (Sat)
12:00 am → 11:00 pm (back)
Clocks move back by 1h
Chile(Some locations)
America/Santiago
CLST (Chile Summer Time)→CLT (Chile Standard Time)
April 3, 2027 (Sat)
10:00 pm → 9:00 pm (back)
Clocks move back by 1h
Pacific
All locations
EASST (Easter Island Summer Time)→EAST (Easter Island Standard Time)
April 30, 2027 (Fri)
12:00 am → 1:00 am (forward)
Clocks move forward by 1h
Egypt(All locations)
EET (Eastern European Time)→EEST (Eastern European Summer Time)

September 2027

September 5, 2027 (Sun)
12:00 am → 1:00 am (forward)
Clocks move forward by 1h
Chile(Some locations)
America/Santiago
CLT (Chile Standard Time)→CLST (Chile Summer Time)
September 4, 2027 (Sat)
10:00 pm → 11:00 pm (forward)
Clocks move forward by 1h
Pacific
All locations
EAST (Easter Island Standard Time)→EASST (Easter Island Summer Time)
September 26, 2027 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
New Zealand(Some locations)
Pacific/Auckland
NZST (New Zealand Standard Time)→NZDT (New Zealand Daylight Time)
September 26, 2027 (Sun)
2:45 am → 3:45 am (forward)
Clocks move forward by 1h
New Zealand(Some locations)
Pacific/Chatham
CHAST (Chatham Standard Time)→CHADT (Chatham Daylight Time)

October 2027

October 3, 2027 (Sun)
2:00 am → 3:00 am (forward)
Clocks move forward by 1h
Norfolk Island(All locations)
NFT (Norfolk Island Time)→NFST (Norfolk Island Summer Time)
Antarctica
All locations
+11 (+11)→+11 (+11)
Australia(Some locations)
Australia/Hobart, Australia/Melbourne, Australia/Sydney
AEST (Australian Eastern Standard Time)→AEDT (Australian Eastern Daylight Time)
Australia(Some locations)
Australia/Adelaide
ACST (Australian Central Standard Time)→ACDT (Australian Central Daylight Time)
October 3, 2027 (Sun)
2:00 am → 2:30 am (forward)
Clocks move forward by 30m
Australia
All locations
LHST (Lord Howe Standard Time)→LHDT (Lord Howe Daylight Time)
October 28, 2027 (Thu)
12:00 am → 11:00 pm (back)
Clocks move back by 1h
Egypt(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
October 30, 2027 (Sat)
2:00 am → 1:00 am (back)
Clocks move back by 1h
West Bank(Some locations)
Asia/Gaza, Asia/Hebron
EEST (Eastern European Summer Time)→EET (Eastern European Time)
October 30, 2027 (Sat)
12:00 am → 11:00 pm (back)
Clocks move back by 1h
Lebanon(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
North America
Some locations
WGST (Western Greenland Summer Time)→WGT (Western Greenland Time)
Greenland(All locations)
UTC-1 (UTC-1)→UTC-2 (UTC-2)
North America
All locations
EGST (Eastern Greenland Summer Time)→EGT (Eastern Greenland Time)
October 31, 2027 (Sun)
2:00 am → 1:00 am (back)
Clocks move back by 1h
Israel(All locations)
West Bank(Some locations)
Asia/Jerusalem
IDT (Israel Daylight Time)→IST (Israel Standard Time)
Faroe Islands(All locations)
Portugal(Some locations)
Atlantic/Madeira, Europe/Lisbon
Spain(Some locations)
Atlantic/Canary
WEST (Western European Summer Time)→WET (Western European Time)
Ireland(All locations)
IST (Irish Standard Time)→GMT (Greenwich Mean Time)
Guernsey(All locations)
Isle of Man(All locations)
Jersey(All locations)
United Kingdom(All locations)
BST (British Summer Time)→GMT (Greenwich Mean Time)
October 31, 2027 (Sun)
3:00 am → 2:00 am (back)
Clocks move back by 1h
Moldova(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
Albania(All locations)
Andorra(All locations)
Austria(All locations)
Belgium(All locations)
Bosnia and Herzegovina(All locations)
Croatia(All locations)
Czechia(All locations)
Denmark(All locations)
France(All locations)
Germany(All locations)
Gibraltar(All locations)
Hungary(All locations)
Italy(All locations)
Kosovo(All locations)
Liechtenstein(All locations)
Luxembourg(All locations)
Malta(All locations)
Monaco(All locations)
Montenegro(All locations)
Netherlands(All locations)
North Macedonia(All locations)
Norway(All locations)
Poland(All locations)
San Marino(All locations)
Serbia(All locations)
Slovakia(All locations)
Slovenia(All locations)
Spain(Some locations)
Africa/Ceuta, Europe/Madrid
Svalbard and Jan Mayen(All locations)
Sweden(All locations)
Switzerland(All locations)
Vatican City State(All locations)
CEST (Central European Summer Time)→CET (Central European Time)
October 31, 2027 (Sun)
4:00 am → 3:00 am (back)
Clocks move back by 1h
Aland Islands(All locations)
Europe/Helsinki, Europe/Mariehamn
Bulgaria(All locations)
Cyprus(All locations)
Asia/Nicosia, Europe/Nicosia
Estonia(All locations)
Finland(All locations)
Greece(All locations)
Latvia(All locations)
Lithuania(All locations)
Romania(All locations)
EEST (Eastern European Summer Time)→EET (Eastern European Time)
Africa
Some locations
EET (Eastern European Time)→EET (Eastern European Time)
Ukraine(Some locations)
Europe/Kyiv
UTC+3 (UTC+3)→UTC+2 (UTC+2)
October 31, 2027 (Sun)
3:00 am → 1:00 am (back)
Clocks move back by 2h
Antarctica
All locations
+02 (+02)→+02 (+02)
October 31, 2027 (Sun)
1:00 am → 12:00 am (back)
Clocks move back by 1h
Portugal(Some locations)
Atlantic/Azores
AZOST (Azores Summer Time)→AZOT (Azores Standard Time)

November 2027

November 7, 2027 (Sun)
2:00 am → 1:00 am (back)
Clocks move back by 1h
PMDT (Saint Pierre and Miquelon Daylight Time)→PMST (Saint Pierre and Miquelon Standard Time)
Canada(Some locations)
America/St_Johns
NDT (Newfoundland Daylight Time)→NST (Newfoundland Standard Time)
Bermuda(All locations)
Canada(Some locations)
America/Glace_Bay, America/Halifax, America/Moncton
ADT (Atlantic Daylight Time)→AST (Atlantic Standard Time)
Bahamas(All locations)
Canada(Some locations)
America/Iqaluit, America/Toronto
Haiti(All locations)
United States(Some locations)
America/Detroit, America/Indiana/Indianapolis, America/Kentucky/Louisville, America/New_York
EDT (Eastern Daylight Time)→EST (Eastern Standard Time)
Canada(Some locations)
America/Edmonton
Mexico(Some locations)
America/Ciudad_Juarez
United States(Some locations)
America/Boise, America/Denver
MDT (Mountain Daylight Time)→MST (Mountain Standard Time)
Canada(Some locations)
America/Winnipeg
Mexico(Some locations)
America/Matamoros
United States(Some locations)
America/Chicago, America/North_Dakota/New_Salem
CDT (Central Daylight Time)→CST (Central Standard Time)
North America
Some locations
CST (Central Standard Time)→CST (Central Standard Time)
Canada(Some locations)
America/Vancouver
Mexico(Some locations)
America/Tijuana
United States(Some locations)
America/Los_Angeles
PDT (Pacific Daylight Time)→PST (Pacific Standard Time)
United States(Some locations)
America/Anchorage, America/Juneau
AKDT (Alaska Daylight Time)→AKST (Alaska Standard Time)
North America
Some locations
AKST (Alaska Standard Time)→AKST (Alaska Standard Time)
North America
All locations
HDT (Hawaii-Aleutian Daylight Time)→HST (Hawaii-Aleutian Standard Time)
November 7, 2027 (Sun)
1:00 am → 12:00 am (back)
Clocks move back by 1h
Cuba(All locations)
CDT (Cuba Daylight Time)→CST (Cuba Standard Time)

Daylight saving time questions

When do the clocks change?

Clock-change dates depend on the country and year. North America and Europe normally change on different weekends, while Southern Hemisphere changes occur in opposite seasons. Use the dated schedule above for the exact local change.

Does every country use DST?

No. Many countries keep one standard UTC offset all year, and some countries apply DST only in selected regions. The calendar lists locations with a scheduled upcoming transition.

How does DST change a time difference?

When one location changes clocks before another, their time difference can temporarily increase or decrease by one hour. Check the time zone meeting planner before recurring international meetings.

What do EST, EDT, GMT, and BST mean?

These abbreviations identify standard or daylight offsets. Compare EST with EDT, or GMT with BST.

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