EST to GMT · New York (US East) → London (UK)
Hour-by-hour conversion from Eastern Time to Greenwich Mean Time, with daylight-saving variants and the meeting window that works for both sides.
| EST (New York (US East)) | EST → GMT (both on standard time) | EDT → BST (both on summer time) |
|---|---|---|
| 12:00 AM | 5:00 AM | 5:00 AM |
| 6:00 AM | 11:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM | 12:00 PM |
| 8:00 AM | 1:00 PM | 1:00 PM |
| 9:00 AM | 2:00 PM | 2:00 PM |
| 10:00 AM | 3:00 PM | 3:00 PM |
| 11:00 AM | 4:00 PM | 4:00 PM |
| 12:00 PM | 5:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM (+1d) | 12:00 AM (+1d) |
| 8:00 PM | 1:00 AM (+1d) | 1:00 AM (+1d) |
| 9:00 PM | 2:00 AM (+1d) | 2:00 AM (+1d) |
| 10:00 PM | 3:00 AM (+1d) | 3:00 AM (+1d) |
Notes
EST (Eastern Time, UTC-05:00) is 5h behind GMT (Greenwich Mean Time, UTC+00:00) when both are on standard time. New York (US East) observes daylight saving (EDT, UTC-04:00) from mid-March to early November. London (UK) observes daylight saving (BST, UTC+01:00) from late March to late October. During transition weeks the two regions may switch on different dates — for exact meeting times use the live converter below, which uses the IANA time-zone database.
Their 9:00–18:00 business hours overlap for about 4 hours a day — roughly 9:00 AM–1:00 PM in EST.
More conversions from EST: EST to IST · EST to PST · EST to CET · EST to JST · EST to AEST · EST to CST
Frequently asked questions
What is the time difference between EST and GMT?
EST is 5h behind GMT on standard time; daylight saving shifts this by an hour part of the year (see the table).
What time is 12 PM EST in GMT?
12:00 PM EST is 5:00 PM in GMT on standard time.
Do EST and GMT business hours overlap?
Their 9:00–18:00 business hours overlap for about 4 hours a day — roughly 9:00 AM–1:00 PM in EST.