Timezone conversion
GMT to EST Time — Convert Greenwich Mean Time to Eastern Standard Time (US)
EST is currently 4 hours behind GMT. The gap shifts across the year: around January EST is 5 hours behind GMT, and around July it is 4 hours behind GMT, because one or both zones observe daylight saving.
EST is currently 4 hours behind GMT.
Abbreviation disambiguation
GMT is equivalent to UTC for everyday use. In the UK it also refers to the winter (non-daylight-saving) time; in summer the UK moves to BST (UTC+1).
On Clockjumper, EST refers to Eastern Standard Time in the United States (UTC−5). The US East Coast observes EST in winter and switches to EDT (UTC−4) during daylight saving time.
Interactive converter
Select a city to see its local time.
Select both cities to see the converted time.
Full GMT to EST conversion table
| GMT | EST |
|---|---|
| 12:00 AM | 8:00 PM(previous day) |
| 1:00 AM | 9:00 PM(previous day) |
| 2:00 AM | 10:00 PM(previous day) |
| 3:00 AM | 11:00 PM(previous day) |
| 4:00 AM | 12:00 AM |
| 5:00 AM | 1:00 AM |
| 6:00 AM | 2:00 AM |
| 7:00 AM | 3:00 AM |
| 8:00 AM | 4:00 AM |
| 9:00 AM | 5:00 AM |
| 10:00 AM | 6:00 AM |
| 11:00 AM | 7:00 AM |
| 12:00 PM | 8:00 AM |
| 1:00 PM | 9:00 AM |
| 2:00 PM | 10:00 AM |
| 3:00 PM | 11:00 AM |
| 4:00 PM | 12:00 PM |
| 5:00 PM | 1:00 PM |
| 6:00 PM | 2:00 PM |
| 7:00 PM | 3:00 PM |
| 8:00 PM | 4:00 PM |
| 9:00 PM | 5:00 PM |
| 10:00 PM | 6:00 PM |
| 11:00 PM | 7:00 PM |
Daylight saving and how the gap changes
Around January EST is 5 hours behind GMT. Around July it is 4 hours behind GMT. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.
Frequently asked questions
- Is EST ahead of or behind GMT right now?
- EST is currently 4 hours behind GMT.
- What is the current GMT to EST time difference?
- Right now the gap is 4 hours — EST is 4 hours behind GMT.
- Does the GMT → EST offset change during the year?
- Yes. Around January EST is 5 hours behind GMT; around July it is 4 hours behind GMT. The converter above always reflects the correct offset for the date you pick.
- Does GMT observe daylight saving time?
- No — Greenwich Mean Time stays at a fixed UTC offset year-round.
- Does EST observe daylight saving time?
- EST is itself the standard-time form. Eastern Standard Time (US) is in force at UTC-5 through the winter months; outside that window the same zone is on EDT (UTC-4).
- What time is 3 AM GMT in EST?
- 3:00 AM GMT is 11:00 PM (previous day) EST.
- What time is 8 AM GMT in EST?
- 8:00 AM GMT is 4:00 AM EST.
- What time is 9 AM GMT in EST?
- 9:00 AM GMT is 5:00 AM EST.
- What time is 10 AM GMT in EST?
- 10:00 AM GMT is 6:00 AM EST.
- What time is 11 AM GMT in EST?
- 11:00 AM GMT is 7:00 AM EST.
- What time is 12 PM (noon) GMT in EST?
- 12:00 PM GMT is 8:00 AM EST.
- What time is 2 PM GMT in EST?
- 2:00 PM GMT is 10:00 AM EST.
- What time is 3 PM GMT in EST?
- 3:00 PM GMT is 11:00 AM EST.
- What time is 4 PM GMT in EST?
- 4:00 PM GMT is 12:00 PM EST.
- What time is 5 PM GMT in EST?
- 5:00 PM GMT is 1:00 PM EST.
- What time is 9 PM GMT in EST?
- 9:00 PM GMT is 5:00 PM EST.
- What time is 10 PM GMT in EST?
- 10:00 PM GMT is 6:00 PM EST.
- When is the best time to schedule a call between GMT and EST?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 1:00 PM – 5:00 PM GMT (≈ 4 hours). The midpoint of that window — 3:00 PM GMT, 11:00 AM EST — is the safest single slot to propose for a live call.
- What time zone does GMT refer to?
- GMT refers to Greenwich Mean Time (IANA: UTC).
- What time zone does EST refer to?
- EST refers to Eastern Standard Time (US) (IANA: America/New_York).
- Is GMT on this page the same as other zones that share the letters "GMT"?
- GMT is equivalent to UTC for everyday use. In the UK it also refers to the winter (non-daylight-saving) time; in summer the UK moves to BST (UTC+1).
- Is EST on this page the same as other zones that share the letters "EST"?
- On Clockjumper, EST refers to Eastern Standard Time in the United States (UTC−5). The US East Coast observes EST in winter and switches to EDT (UTC−4) during daylight saving time.