EST to GMT to BST to Hong Kong, Hong Kong
Time Difference
Eastern Daylight Time is 4 hours behind Greenwich Mean Time and 5 hours behind British Summer Time and 12 hours behind HKT (Hong Kong Time)
1:00 pm13:00 in EDT is 5:00 pm17:00 in GMT and is 6:00 pm18:00 in BST and is 1:00 am01:00 in Hong Kong, Hong Kong
EST to GMT call time
Best time for a conference call or a meeting is between 8am-1pm in EST which corresponds to 1pm-6pm in GMT
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 Hong Kong call time
Best time for a conference call or a meeting is between 6:30am-8:30am in EST which corresponds to 7:30pm-9:30pm in Hong Kong
1:00 pm13:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
5:00 pm17:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
6:00 pm18:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 am01:00 HKT (Hong Kong Time) (Hong Kong, Hong Kong). Offset UTC +8:00 hours
1:00 pm13:00 EDT / 5:00 pm17:00 GMT / 6:00 pm18:00 BST / 1:00 am01:00 Hong Kong, Hong Kong
| EDT | GMT | BST | Hong Kong, Hong Kong |
|---|---|---|---|
| 12am (midnight) | 4am | 5am | 12pm (noon) |
| 1am | 5am | 6am | 1pm |
| 2am | 6am | 7am | 2pm |
| 3am | 7am | 8am | 3pm |
| 4am | 8am | 9am | 4pm |
| 5am | 9am | 10am | 5pm |
| 6am | 10am | 11am | 6pm |
| 7am | 11am | 12pm (noon) | 7pm |
| 8am | 12pm (noon) | 1pm | 8pm |
| 9am | 1pm | 2pm | 9pm |
| 10am | 2pm | 3pm | 10pm |
| 11am | 3pm | 4pm | 11pm |
| 12pm (noon) | 4pm | 5pm | 12am (midnight) |
| 1pm | 5pm | 6pm | 1am |
| 2pm | 6pm | 7pm | 2am |
| 3pm | 7pm | 8pm | 3am |
| 4pm | 8pm | 9pm | 4am |
| 5pm | 9pm | 10pm | 5am |
| 6pm | 10pm | 11pm | 6am |
| 7pm | 11pm | 12am (midnight) | 7am |
| 8pm | 12am (midnight) | 1am | 8am |
| 9pm | 1am | 2am | 9am |
| 10pm | 2am | 3am | 10am |
| 11pm | 3am | 4am | 11am |
| 0:00 | 4:00 | 5:00 | 12:00 |
| 1:00 | 5:00 | 6:00 | 13:00 |
| 2:00 | 6:00 | 7:00 | 14:00 |
| 3:00 | 7:00 | 8:00 | 15:00 |
| 4:00 | 8:00 | 9:00 | 16:00 |
| 5:00 | 9:00 | 10:00 | 17:00 |
| 6:00 | 10:00 | 11:00 | 18:00 |
| 7:00 | 11:00 | 12:00 | 19:00 |
| 8:00 | 12:00 | 13:00 | 20:00 |
| 9:00 | 13:00 | 14:00 | 21:00 |
| 10:00 | 14:00 | 15:00 | 22:00 |
| 11:00 | 15:00 | 16:00 | 23:00 |
| 12:00 | 16:00 | 17:00 | 0:00 |
| 13:00 | 17:00 | 18:00 | 1:00 |
| 14:00 | 18:00 | 19:00 | 2:00 |
| 15:00 | 19:00 | 20:00 | 3:00 |
| 16:00 | 20:00 | 21:00 | 4:00 |
| 17:00 | 21:00 | 22:00 | 5:00 |
| 18:00 | 22:00 | 23:00 | 6:00 |
| 19:00 | 23:00 | 0:00 | 7:00 |
| 20:00 | 0:00 | 1:00 | 8:00 |
| 21:00 | 1:00 | 2:00 | 9:00 |
| 22:00 | 2:00 | 3:00 | 10:00 |
| 23:00 | 3:00 | 4:00 | 11:00 |
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
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
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.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT-01:00 - UTC -1
- GMT+11:00 - UTC +11
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu 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
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