BST to CET to EEST to GST to ET
Time Difference
British Summer Time is 1 hours behind Central European Summer Time and 2 hours behind Eastern European Summer Time and 3 hours behind Gulf Standard Time and 5 hours ahead of Eastern Daylight Time
3:00 pm15:00 in BST is 4:00 pm16:00 in CEST and is 5:00 pm17:00 in EEST and is 6:00 pm18:00 in GST and is 10:00 am10:00 in EDT
BST to CET call time
Best time for a conference call or a meeting is between 8am-6pm in BST which corresponds to 8am-6pm in CET
BST to EEST call time
Best time for a conference call or a meeting is between 8am-4pm in BST which corresponds to 10am-6pm in EEST
BST to GST call time
Best time for a conference call or a meeting is between 8am-3pm in BST which corresponds to 11am-6pm in GST
BST to ET call time
Best time for a conference call or a meeting is between 2pm-6pm in BST which corresponds to 8am-12pm in ET
3:00 pm15:00 British Summer Time (BST). Offset UTC +1:00 hour
4:00 pm16:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
5:00 pm17:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
6:00 pm18:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
10:00 am10:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
3:00 pm15:00 BST / 4:00 pm16:00 CEST / 5:00 pm17:00 EEST / 6:00 pm18:00 GST / 10:00 am10:00 EDT
| BST | CEST | EEST | GST | ET |
|---|---|---|---|---|
| 12am (midnight) | 1am | 2am | 3am | 7pm |
| 1am | 2am | 3am | 4am | 8pm |
| 2am | 3am | 4am | 5am | 9pm |
| 3am | 4am | 5am | 6am | 10pm |
| 4am | 5am | 6am | 7am | 11pm |
| 5am | 6am | 7am | 8am | 12am (midnight) |
| 6am | 7am | 8am | 9am | 1am |
| 7am | 8am | 9am | 10am | 2am |
| 8am | 9am | 10am | 11am | 3am |
| 9am | 10am | 11am | 12pm (noon) | 4am |
| 10am | 11am | 12pm (noon) | 1pm | 5am |
| 11am | 12pm (noon) | 1pm | 2pm | 6am |
| 12pm (noon) | 1pm | 2pm | 3pm | 7am |
| 1pm | 2pm | 3pm | 4pm | 8am |
| 2pm | 3pm | 4pm | 5pm | 9am |
| 3pm | 4pm | 5pm | 6pm | 10am |
| 4pm | 5pm | 6pm | 7pm | 11am |
| 5pm | 6pm | 7pm | 8pm | 12pm (noon) |
| 6pm | 7pm | 8pm | 9pm | 1pm |
| 7pm | 8pm | 9pm | 10pm | 2pm |
| 8pm | 9pm | 10pm | 11pm | 3pm |
| 9pm | 10pm | 11pm | 12am (midnight) | 4pm |
| 10pm | 11pm | 12am (midnight) | 1am | 5pm |
| 11pm | 12am (midnight) | 1am | 2am | 6pm |
| 0:00 | 1:00 | 2:00 | 3:00 | 19:00 |
| 1:00 | 2:00 | 3:00 | 4:00 | 20:00 |
| 2:00 | 3:00 | 4:00 | 5:00 | 21:00 |
| 3:00 | 4:00 | 5:00 | 6:00 | 22:00 |
| 4:00 | 5:00 | 6:00 | 7:00 | 23:00 |
| 5:00 | 6:00 | 7:00 | 8:00 | 0:00 |
| 6:00 | 7:00 | 8:00 | 9:00 | 1:00 |
| 7:00 | 8:00 | 9:00 | 10:00 | 2:00 |
| 8:00 | 9:00 | 10:00 | 11:00 | 3:00 |
| 9:00 | 10:00 | 11:00 | 12:00 | 4:00 |
| 10:00 | 11:00 | 12:00 | 13:00 | 5:00 |
| 11:00 | 12:00 | 13:00 | 14:00 | 6:00 |
| 12:00 | 13:00 | 14:00 | 15:00 | 7:00 |
| 13:00 | 14:00 | 15:00 | 16:00 | 8:00 |
| 14:00 | 15:00 | 16:00 | 17:00 | 9:00 |
| 15:00 | 16:00 | 17:00 | 18:00 | 10:00 |
| 16:00 | 17:00 | 18:00 | 19:00 | 11:00 |
| 17:00 | 18:00 | 19:00 | 20:00 | 12:00 |
| 18:00 | 19:00 | 20:00 | 21:00 | 13:00 |
| 19:00 | 20:00 | 21:00 | 22:00 | 14:00 |
| 20:00 | 21:00 | 22:00 | 23:00 | 15:00 |
| 21:00 | 22:00 | 23:00 | 0:00 | 16:00 |
| 22:00 | 23:00 | 0:00 | 1:00 | 17:00 |
| 23:00 | 0:00 | 1:00 | 2:00 | 18:00 |
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier
Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- Brasilia Standard Time - UTC -3
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 30, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 26, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Eastern European Summer Time
Offset: EEST is 3 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Lebanon, Lithuania, Latvia, Moldova, Palestine, Romania, Ukraine
Principal Cities: The largest city in the EEST timezone is Cairo from Egypt with population about 7.735 million people. Other major cities in the area are Alexandria, Kiev, Al Jizah, Beirut
German: OESZ - Osteuropäische Sommerzeit
Daylight Saving: Eastern European Summer Time (EEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Eastern European Time (EET).
Start: Eastern European Summer Time (EEST) started on Sunday, March 30, 2025 at 3:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 4:00 am. Daylight saving starts annually the on last Sunday of March
End: Eastern European Summer Time (EEST) ends on Sunday, October 26, 2025 at 4:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 3:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
EEST representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the east of the zero meridian.
- Charlie - Military abbreviation for EEST
- C - short form of 'Charlie'
- Africa/Cairo
- Asia/Beirut
- Asia/Famagusta
- Asia/Gaza
- Asia/Hebron
- Asia/Nicosia
- EET
- Egypt
- Europe/Athens
- Europe/Bucharest
- Europe/Chisinau
- Europe/Helsinki
- Europe/Kiev
- Europe/Kyiv
- Europe/Mariehamn
- Europe/Nicosia
- Europe/Riga
- Europe/Sofia
- Europe/Tallinn
- Europe/Tiraspol
- Europe/Uzhgorod
- Europe/Vilnius
- Europe/Zaporozhye
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
Gulf Standard Time
Offset: GST is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia
GST representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
Eastern Time
Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.
ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.
In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States.
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Eastern Time (ET) is a general term used to describe the areas that observe either the Eastern Standard Time (EST) or Eastern Daylight Time (EDT) in the United States and Canada. ET is not static but switches between EDT and EST.
ET is also used somewhat as a de facto official time for all of the United States because it encompasses 17 U.S. states in the eastern part of the contiguous United States including the capital city Washington D.C., the most populous city New York and half of the country’s population.
In the United States nationally televised programs, evening newscasts, talent and awards shows, and any other nationally televised event that airs live on American television during prime time and on the weekends are broadcast live in the Eastern Time Zone. Major professional sports leagues MLB, NBA, NFL and NHL also provide their game times in Eastern Time, even if teams are from outside of Eastern Time.
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States.
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
ET representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for ET
- R - short form of 'Romeo'
- Eastern Time - UTC -5
- Tiempo del Este - UTC -5
- Ecuador Time - UTC -5
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone