US Eastern Time to Greenwich Mean Time
Convert times between US Eastern Time (EST, UTC-5:00) and Greenwich Mean Time (GMT, UTC+0:00). Greenwich Mean Time is 5 hours ahead of US Eastern Time in standard time.
UTC-5:00 / -4:00→UTC+0:00 / +1:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| US Eastern Time | EST / EDT | UTC-5:00 | UTC-4:00 | United States |
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (EST → GMT)
| US Eastern Time | Greenwich Mean Time |
|---|---|
| 12:00 AM EST | 5:00 AM GMT |
| 6:00 AM EST | 11:00 AM GMT |
| 9:00 AM EST | 2:00 PM GMT |
| 12:00 PM EST | 5:00 PM GMT |
| 3:00 PM EST | 8:00 PM GMT |
| 6:00 PM EST | 11:00 PM GMT |
| 9:00 PM EST | 2:00 AM (next day) GMT |
Daylight Saving Time (DST) Notes
- US Eastern Time observes DST. Clocks advance 1 hour to EDT (UTC-4:00) roughly from month 3 to 11.
- Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
Frequently Asked Questions
How do I convert EST to GMT?
Add 5 hours to the EST time to get GMT. For example, 9:00 AM EST = 2:00 PM GMT.
What is the current UTC offset for US Eastern Time?
US Eastern Time is UTC-5:00 during standard time (EST) and UTC-4:00 during summer daylight saving time (EDT).
Is Greenwich Mean Time ahead or behind US Eastern Time?
Greenwich Mean Time is 5 hours ahead of US Eastern Time in standard time.
When is a good time to schedule a meeting between EST and GMT?
A good overlap window is around 9:00 AM EST / 2:00 PM GMT, which falls within business hours for both timezones.
Related Timezone Conversions
US Eastern Time → US Central TimeEST / CSTUS Eastern Time → US Mountain TimeEST / MSTUS Eastern Time → US Pacific TimeEST / PSTUS Eastern Time → US Alaska TimeEST / AKSTUS Eastern Time → Hawaii TimeEST / HSTUS Eastern Time → Canada Atlantic TimeEST / ASTUS Eastern Time → Central European TimeEST / CETUS Eastern Time → Eastern European TimeEST / EET
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.