Timezone conversion
GMT to EST: current time and meeting overlap.
Quick answer: GMT is 4 hours ahead of EST. Best overlap: 1:00 PM-5:20 PM in GMT, which is 9:00 AM-1:20 PM in EST.
GMT UTC+0 · UTC
5:20 PM EST UTC-4 · EDT
1:20 PM
overlap
1:00 PM-5:20 PM
good This page treats GMT as UTC+0 and maps EST searches to New York timezone rules. On daylight-saving dates, New York may display EDT instead.
Suggested meeting window
1:00 PM-2:00 PM GMT -> 9:00 AM-10:00 AM EST
Planning guide Best times and checks before sending. Show Hide
What to do with this timezone conversion.
Use this page when you have a specific GMT time and need the matching EST time before sending it to someone else. This page treats GMT as UTC+0 and maps EST searches to New York timezone rules. On daylight-saving dates, New York may display EDT instead.
1
Use the converter for the exact GMT time, then check whether the resulting EST time is still reasonable for a person.
2
For launch, webinar, support, or incident work, copy the converted time with the date because the target side may land on a different day.
3
When several people are involved, move from conversion to the meeting planner before committing the time.
When this page is useful
Real situations for GMT to EST.
These notes focus on the scheduling or conversion mistakes people actually make before sending a time.
GMT schedule for Eastern recipients
Use GMT to EST when a UK, UTC, or global schedule needs an Eastern local reading before a meeting, launch, or support handoff.
Public event wording
This conversion helps when a public event is published in GMT but the audience includes New York or other Eastern Time attendees.
Eastern daylight-saving caution
Check the selected date because New York may display EDT in daylight-saving months even when people search for EST.
Scheduling workflow Show Hide
Include the date and both local times.
Suggested conversion note: confirm the selected GMT time, copy the matching EST time, and include the date if the result crosses midnight.
Confirm the date
Pick the actual date first so GMT to EST reflects daylight-saving rules for that day.
Check the overlap
A correct conversion can still be a bad meeting time. If a real person must attend, check the overlap before sending.
Share both sides
Send the GMT time and the EST time together so nobody has to recalculate.
Reference table Hourly conversion table Show Hide
| GMT | 24h | EST | 24h | Date |
|---|---|---|---|---|
| 12:00 AM | 00:00 | 8:00 PM | 20:00 | -1 day |
| 1:00 AM | 01:00 | 9:00 PM | 21:00 | -1 day |
| 2:00 AM | 02:00 | 10:00 PM | 22:00 | -1 day |
| 3:00 AM | 03:00 | 11:00 PM | 23:00 | -1 day |
| 4:00 AM | 04:00 | 12:00 AM | 00:00 | same day |
| 5:00 AM | 05:00 | 1:00 AM | 01:00 | same day |
| 6:00 AM | 06:00 | 2:00 AM | 02:00 | same day |
| 7:00 AM | 07:00 | 3:00 AM | 03:00 | same day |
| 8:00 AM | 08:00 | 4:00 AM | 04:00 | same day |
| 9:00 AM | 09:00 | 5:00 AM | 05:00 | same day |
| 10:00 AM | 10:00 | 6:00 AM | 06:00 | same day |
| 11:00 AM | 11:00 | 7:00 AM | 07:00 | same day |
Related timezone pages
Keep comparing without starting over.
Timezone questions answered
How do I convert GMT to EST?
Select the GMT date and time in the converter, and useChrono will show the matching EST time with same-day or date-rollover context. This page treats GMT as UTC+0 and maps EST searches to New York timezone rules. On daylight-saving dates, New York may display EDT instead.
How accurate is this timezone page?
useChrono uses IANA timezone identifiers through the browser and platform Intl API, so daylight-saving changes are reflected when the runtime timezone data is current.
Should I use the converter or the meeting planner?
Use the converter for one exact time. Use the meeting planner when the time needs to be fair for people in both locations.
Why should I include both local times in an invite?
Calendar apps can display times in the viewer timezone. Including both local times reduces mistakes for remote teams and cross-region handoffs.
Data note: useChrono uses IANA timezone identifiers and the platform Intl API. Daylight-saving rules can change, so confirm mission-critical times in your calendar system.