GMT to EST converter
9 am GMT is 4 am EST.
EST is 5 hours behind GMT.
GMT is Greenwich Mean Time, UTC+0. EST is Eastern Standard Time, UTC−5. To convert, subtract 5 hours.
9 am GMT is 4 am EST.
GMT to EST, hour by hour
| GMT UTC+0 | EST UTC−5 |
|---|---|
| 12 am | 7 pm −1 day |
| 1 am | 8 pm −1 day |
| 2 am | 9 pm −1 day |
| 3 am | 10 pm −1 day |
| 4 am | 11 pm −1 day |
| 5 am | 12 am |
| 6 am | 1 am |
| 7 am | 2 am |
| 8 am | 3 am |
| 9 am | 4 am |
| 10 am | 5 am |
| 11 am | 6 am |
| 12 pm | 7 am |
| 1 pm | 8 am |
| 2 pm | 9 am |
| 3 pm | 10 am |
| 4 pm | 11 am |
| 5 pm | 12 pm |
| 6 pm | 1 pm |
| 7 pm | 2 pm |
| 8 pm | 3 pm |
| 9 pm | 4 pm |
| 10 pm | 5 pm |
| 11 pm | 6 pm |
Daylight saving
GMT is London’s winter clock. Right now London is on BST (UTC+1), not GMT. It switches to GMT on Sunday, October 25, 2026 and back on Sunday, March 28, 2027.
EST is New York’s winter clock. Right now New York is on EDT (UTC−4), not EST. It switches to EST on Sunday, November 1, 2026 and back on Sunday, March 14, 2027.
If you mean the clocks in London and New York, whatever they’re on: London is 5 hours ahead of New York most of the year. From Sunday, October 25 to Sunday, November 1, 2026 (1 week), London is 4 hours ahead of New York. From Sunday, March 14 to Sunday, March 28, 2027 (2 weeks), London is 4 hours ahead of New York, because one side has changed its clocks and the other hasn’t yet.
Questions
What is 9 am GMT in EST?
9 am GMT is 4 am EST.
How many hours ahead is EST of GMT?
EST is 5 hours behind GMT.
What is 5 pm GMT in EST?
5 pm GMT is 12 pm EST.