GMT to EST Converter – Greenwich Mean Time to Eastern Standard Time
EST is 5 hours behind GMT. GMT (Greenwich Mean Time) is UTC+0, switching to BST (UTC+1) during daylight saving, while EST (Eastern Standard Time) is UTC-5, switching to EDT (UTC-4) during daylight saving. The live clocks below show the current time in both zones, updated every second.
GMT to EST Conversion Table (Hour by Hour)
Standard-time conversion from Greenwich Mean Time to Eastern Standard Time. During daylight saving periods the offset shifts by one hour - the live clocks above always show the correct current time.
| GMT (UTC+0) | EST (UTC-5) |
|---|---|
| 12:00 AM | 7:00 PM (previous day) |
| 1:00 AM | 8:00 PM (previous day) |
| 2:00 AM | 9:00 PM (previous day) |
| 3:00 AM | 10:00 PM (previous day) |
| 4:00 AM | 11:00 PM (previous day) |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Frequently Asked Questions
What is the time difference between GMT and EST?
EST is 5 hours behind GMT. GMT (Greenwich Mean Time) is UTC+0 and EST (Eastern Standard Time) is UTC-5.
How do I convert GMT to EST?
Take your time in GMT and subtract 5 hours. For example, 9:00 AM GMT is 4:00 AM in EST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect GMT to EST conversion?
Yes. GMT switches to BST (UTC+1) in summer and EST switches to EDT (UTC-4) in summer, so the gap between the two zones changes during DST periods. The live clocks on this page use the IANA timezone database and always reflect the correct current offset automatically.
What is the best time for a meeting between GMT and EST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. EST is 5 hours behind GMT, so there is normally several hours of business-hours overlap.