EST to GMT
On Oct 23, 2026, UK time is 5 hours ahead of Eastern Time: 9:00 AM EDT is 2:00 PM BST. The gap changes during the year because of daylight saving time; the dates are below.
GMT vs EST over the next 12 months
| Period | GMT is | Example |
|---|---|---|
| Oct 23, 2026 to Oct 24, 2026 | 5 hours ahead | 9:00 AM EDT = 2:00 PM BST |
| Oct 24, 2026 to Nov 1, 2026 | 4 hours ahead | 9:00 AM EDT = 1:00 PM GMT |
| Nov 1, 2026 to Mar 14, 2027 | 5 hours ahead | 9:00 AM EST = 2:00 PM GMT |
| Mar 14, 2027 to Mar 27, 2027 | 4 hours ahead | 9:00 AM EDT = 1:00 PM GMT |
| Mar 27, 2027 onwards | 5 hours ahead | 9:00 AM EDT = 2:00 PM BST |
EST to GMT conversion table
Every hour of a weekday around Oct 23, 2026, in both zones.
| Eastern Time | UK time |
|---|---|
| 12:00 AM | 4:00 AM |
| 1:00 AM | 5:00 AM |
| 2:00 AM | 6:00 AM |
| 3:00 AM | 7:00 AM |
| 4:00 AM | 8:00 AM |
| 5:00 AM | 9:00 AM |
| 6:00 AM | 10:00 AM |
| 7:00 AM | 11:00 AM |
| 8:00 AM | 12:00 PM |
| 9:00 AM | 1:00 PM |
| 10:00 AM | 2:00 PM |
| 11:00 AM | 3:00 PM |
| 12:00 PM | 4:00 PM |
| 1:00 PM | 5:00 PM |
| 2:00 PM | 6:00 PM |
| 3:00 PM | 7:00 PM |
| 4:00 PM | 8:00 PM |
| 5:00 PM | 9:00 PM |
| 6:00 PM | 10:00 PM |
| 7:00 PM | 11:00 PM |
| 8:00 PM | 12:00 AM (next day) |
| 9:00 PM | 1:00 AM (next day) |
| 10:00 PM | 2:00 AM (next day) |
| 11:00 PM | 3:00 AM (next day) |
Best time for a meeting
Normal 9-to-5 working hours overlap for 4 hours on a weekday: 9:00 AM–1:00 PM EDT, which is 1:00 PM–5:00 PM GMT.
Comparing more than two places? The meeting planner lines up working hours for up to six cities.
Daylight saving time
Eastern Time (EST/EDT)
- Nov 1, 2026: clocks go back 1 hour at 2:00 AM (UTC−4 → UTC−5)
- Mar 14, 2027: clocks go forward 1 hour at 2:00 AM (UTC−5 → UTC−4)
UK time (GMT/BST)
- Oct 25, 2026: clocks go back 1 hour at 2:00 AM (UTC+1 → UTC±0)
- Mar 28, 2027: clocks go forward 1 hour at 1:00 AM (UTC±0 → UTC+1)
Where these clocks are used
- Eastern Time (EST/EDT): New York, Toronto, Miami, Atlanta. IANA zone
America/New_York. - UK time (GMT/BST): London, Edinburgh, Dublin and Lisbon keep the same clock. IANA zone
Europe/London.
Questions
What time is it in GMT when it is 9 AM EST?
On Oct 23, 2026, 9:00 AM EDT is 2:00 PM BST. On other dates the answer can shift by an hour because of daylight saving time; the table of periods on this page gives each one.
How many hours ahead of EST is GMT?
It depends on the date. Oct 23, 2026 to Oct 24, 2026: GMT is 5 hours ahead. Oct 24, 2026 to Nov 1, 2026: GMT is 4 hours ahead. Nov 1, 2026 to Mar 14, 2027: GMT is 5 hours ahead. Mar 14, 2027 to Mar 27, 2027: GMT is 4 hours ahead. Mar 27, 2027 onwards: GMT is 5 hours ahead.
Do EST and GMT observe daylight saving time?
Eastern Time switches to EDT (UTC−4) in summer and back to EST (UTC−5) in winter. UK time switches to BST (UTC+1) in summer and back to GMT (UTC±0) in winter.
What is the best time for a meeting between EST and GMT?
Normal 9-to-5 working hours overlap for 4 hours on a weekday: 9:00 AM–1:00 PM EDT, which is 1:00 PM–5:00 PM GMT.
Scheduling across time zones? Share one Caly booking link and every guest sees your free times in their own zone. Try Caly free
Related conversions
- GMT to EST (reverse)
- EST to CST
- EST to MST
- EST to PST
- EST to UTC
- EST to CET
- EST to IST
- EST to SGT
- EST to JST
- EST to AEST
- CST to GMT
- MST to GMT
- All time zones
Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.