London, United Kingdom to UTC to EST
Compare London time with UTC and EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
GMT (Greenwich Mean Time) is 0 hours ahead of Universal Time Coordinated and 5 hours ahead of Eastern Standard Time
12:00 pm12:00 in London, United Kingdom is 12:00 pm12:00 in UTC and is 7:00 am07:00 in EST
London to UTC call time
Best time for a conference call or a meeting is between 9am-5pm in London which corresponds to 9am-5pm in UTC
London to EST call time
Best time for a conference call or a meeting is between 2pm-5pm in London which corresponds to 9am-12pm in EST
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
12:00 pm12:00 London, United Kingdom / 12:00 pm12:00 UTC / 7:00 am07:00 EST
| London, United Kingdom | UTC | EST |
|---|---|---|
| 12am (midnight) | 12am (midnight) | 7pm |
| 1am | 1am | 8pm |
| 2am | 2am | 9pm |
| 3am | 3am | 10pm |
| 4am | 4am | 11pm |
| 5am | 5am | 12am (midnight) |
| 6am | 6am | 1am |
| 7am | 7am | 2am |
| 8am | 8am | 3am |
| 9am | 9am | 4am |
| 10am | 10am | 5am |
| 11am | 11am | 6am |
| 12pm (noon) | 12pm (noon) | 7am |
| 1pm | 1pm | 8am |
| 2pm | 2pm | 9am |
| 3pm | 3pm | 10am |
| 4pm | 4pm | 11am |
| 5pm | 5pm | 12pm (noon) |
| 6pm | 6pm | 1pm |
| 7pm | 7pm | 2pm |
| 8pm | 8pm | 3pm |
| 9pm | 9pm | 4pm |
| 10pm | 10pm | 5pm |
| 11pm | 11pm | 6pm |
| 00:00 | 00:00 | 19:00 |
| 01:00 | 01:00 | 20:00 |
| 02:00 | 02:00 | 21:00 |
| 03:00 | 03:00 | 22:00 |
| 04:00 | 04:00 | 23:00 |
| 05:00 | 05:00 | 00:00 |
| 06:00 | 06:00 | 01:00 |
| 07:00 | 07:00 | 02:00 |
| 08:00 | 08:00 | 03:00 |
| 09:00 | 09:00 | 04:00 |
| 10:00 | 10:00 | 05:00 |
| 11:00 | 11:00 | 06:00 |
| 12:00 | 12:00 | 07:00 |
| 13:00 | 13:00 | 08:00 |
| 14:00 | 14:00 | 09:00 |
| 15:00 | 15:00 | 10:00 |
| 16:00 | 16:00 | 11:00 |
| 17:00 | 17:00 | 12:00 |
| 18:00 | 18:00 | 13:00 |
| 19:00 | 19:00 | 14:00 |
| 20:00 | 20:00 | 15:00 |
| 21:00 | 21:00 | 16:00 |
| 22:00 | 22:00 | 17:00 |
| 23:00 | 23:00 | 18:00 |
London Information
Time Zone
GMT - Greenwich Mean Time
+0:00 hours during Greenwich Mean Time.
Sunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.London Facts
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC 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 the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of five hours 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