GMT to EST Converter
Convert UK time (GMT/BST) to Eastern Time (EST/EDT). This page uses London time and New York time, so it follows daylight saving automatically: pick any date below and the conversion uses the offsets in force on that day.
GMT to EST time difference
The converter above shows the difference for the date and time you choose. Over 2026, the gap works out like this:
- EST is 5 hours behind GMTMost of the year: Jan 1 to Mar 7, Mar 29 to Oct 24, Nov 1 to Dec 31.
- EST is 4 hours behind GMTMar 8 to Mar 28, Oct 25 to Oct 31.
GMT to EST for a working day
London time from 6 AM to 10 PM, converted. Bold times fall between 9 AM and 5 PM in EST.
| GMT (London) | EST (New York) |
|---|---|
| 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 |
Calculated for January 15, 2026.
About these time zones
GMT. This page uses London time, which is GMT (UTC+0) in winter and BST (UTC+1) from the last Sunday in March to the last Sunday in October. If you need fixed GMT all year, use the UTC pages instead.
EST. Eastern Time is EST (UTC-5) in winter and EDT (UTC-4) from the second Sunday in March to the first Sunday in November. It covers New York, Toronto, Miami and most of the US East Coast.
Overlap. Meetings starting between 2:00 PM and 4:00 PM GMT land inside a 9 to 5 working day in both zones.