EST to BST to AEST
AEST is NOT in use by many locations
AEDT (Australian Eastern Daylight Time) is used instead. Switch to AEDT time zone or select one of the cities Sydney, Melbourne, Gold Coast) for automatic timezone change.Time Difference
Eastern Daylight Time is 4 hours behind Greenwich Mean Time and 14 hours behind Australian Eastern Standard Time
3:30 pm15:30 in EDT is 7:30 pm19:30 in GMT and is 5:30 am05:30 in AEST
EST to BST call time
Best time for a conference call or a meeting is between 8am-12pm in EST which corresponds to 2pm-6pm in BST
EST to AEST call time
Best time for a conference call or a meeting is between 5:30am-7:30am in EST which corresponds to 8:30pm-10:30pm in AEST
3:30 pm15:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:30 pm19:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:30 am05:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
3:30 pm15:30 EDT / 7:30 pm19:30 GMT / 5:30 am05:30 AEST
| EDT | GMT | AEST |
|---|---|---|
| 12am (midnight) | 4am | 2pm |
| 1am | 5am | 3pm |
| 2am | 6am | 4pm |
| 3am | 7am | 5pm |
| 4am | 8am | 6pm |
| 5am | 9am | 7pm |
| 6am | 10am | 8pm |
| 7am | 11am | 9pm |
| 8am | 12pm (noon) | 10pm |
| 9am | 1pm | 11pm |
| 10am | 2pm | 12am (midnight) |
| 11am | 3pm | 1am |
| 12pm (noon) | 4pm | 2am |
| 1pm | 5pm | 3am |
| 2pm | 6pm | 4am |
| 3pm | 7pm | 5am |
| 4pm | 8pm | 6am |
| 5pm | 9pm | 7am |
| 6pm | 10pm | 8am |
| 7pm | 11pm | 9am |
| 8pm | 12am (midnight) | 10am |
| 9pm | 1am | 11am |
| 10pm | 2am | 12pm (noon) |
| 11pm | 3am | 1pm |
| 0:00 | 4:00 | 14:00 |
| 1:00 | 5:00 | 15:00 |
| 2:00 | 6:00 | 16:00 |
| 3:00 | 7:00 | 17:00 |
| 4:00 | 8:00 | 18:00 |
| 5:00 | 9:00 | 19:00 |
| 6:00 | 10:00 | 20:00 |
| 7:00 | 11:00 | 21:00 |
| 8:00 | 12:00 | 22:00 |
| 9:00 | 13:00 | 23:00 |
| 10:00 | 14:00 | 0:00 |
| 11:00 | 15:00 | 1:00 |
| 12:00 | 16:00 | 2:00 |
| 13:00 | 17:00 | 3:00 |
| 14:00 | 18:00 | 4:00 |
| 15:00 | 19:00 | 5:00 |
| 16:00 | 20:00 | 6:00 |
| 17:00 | 21:00 | 7:00 |
| 18:00 | 22:00 | 8:00 |
| 19:00 | 23:00 | 9:00 |
| 20:00 | 0:00 | 10:00 |
| 21:00 | 1:00 | 11:00 |
| 22:00 | 2:00 | 12:00 |
| 23:00 | 3:00 | 13:00 |
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
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
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 Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
EST 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 EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- 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
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
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra
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 Australian Eastern Daylight Time (AEDT).
End: Australian Eastern Standard Time (AEST) has ended on Sunday, October 5, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.
Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 5, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually the on first Sunday of April.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time