GMT to EST Time Converter
About this conversion
EST is the winter time of the US east coast (UTC-5). In summer the east coast switches to EDT, UTC-4, so a 17:00 GMT meeting is 12:00 EST but 13:00 EDT. GMT itself is the UK's winter time; in summer the UK moves to BST.
When the time difference changes
Both sides keep a fixed offset, so the gap does not change in the next two years.
Best time to call or meet
14:00 to 17:00 GMT is 09:00 to 12:00 EST, 3 hours of shared 09:00 to 17:00 time.
Common times
- 06:00 GMT = 01:00 EST
- 09:00 GMT = 04:00 EST
- 12:00 GMT = 07:00 EST
- 15:00 GMT = 10:00 EST
- 17:00 GMT = 12:00 EST
- 20:00 GMT = 15:00 EST
GMT to EST hour-by-hour table
Highlighted rows fall within 09:00 to 17:00 on both sides.
| GMT | EST |
|---|---|
| 00:00 | 19:00 (previous day) |
| 01:00 | 20:00 (previous day) |
| 02:00 | 21:00 (previous day) |
| 03:00 | 22:00 (previous day) |
| 04:00 | 23:00 (previous day) |
| 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 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 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 |
Related conversions
Frequently asked questions
What is 15:00 GMT in EST?
15:00 GMT is 10:00 EST at the moment. The answer can change by an hour when either side changes its clocks.
What are the shared working hours for GMT and EST?
14:00 to 17:00 GMT is 09:00 to 12:00 EST, 3 hours of shared 09:00 to 17:00 time.
When does the GMT to EST time difference change?
It does not change in the next two years.