GMT to EST Time Zone Converter
EST is currently 5 hours behind GMT.
Convert a fixed abbreviation time
GMT to EST — Full 24-Hour Conversion Table
The table below shows what time it is in Eastern Time for every hour of the day in Greenwich Mean Time / British Summer Time, using the fixed UTC offsets named by these abbreviations. A city may use a different abbreviation during daylight saving time.
| Time in GMT (UTC+00:00) | Time in EST (UTC−05:00) |
|---|---|
| 00:00 | 19:00 |
| 01:00 | 20:00 |
| 02:00 | 21:00 |
| 03:00 | 22:00 |
| 04:00 | 23:00 |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00overlap |
| 15:00 | 10:00overlap |
| 16:00 | 11:00overlap |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
Green rows indicate hours where both zones fall within 09:00–17:00 business hours. Abbreviations use their fixed UTC offsets. For a city that observes daylight saving, use the date-aware meeting planner.
Best Meeting Times: GMT and EST
The best meeting window is 02:00 PM–05:00 PM (London) / 09:00 AM–12:00 PM (New York), giving 3 hours of shared business hours.
Shared business-hours overlap: 3 hours. Use our Meeting Planner to find specific slots and share with your team.
Working Across GMT and EST
Daylight Saving Time: GMT and EST
The UK observes BST (British Summer Time, UTC+1) from the last Sunday in March to the last Sunday in October. Outside those dates the zone is GMT (UTC+0).
The US observes Daylight Saving Time. Clocks spring forward 1 hour on the second Sunday in March and fall back on the first Sunday in November. During EDT (UTC−4), the gap to IST narrows by 1 hour.