GMT to EDT Time Converter
Use this GMT to EDT time converter to compare United Kingdom and US East Coast time instantly. EDT is 4 hours behind GMT, so 9:00 AM GMT becomes 5:00 AM EDT and 5:00 PM GMT becomes 1:00 PM EDT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
GMT to EDT Quick Facts
Use this GMT to EDT converter to compare United Kingdom and US East Coast time, check the 4 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 1:00 PM GMT / 9:00 AM EDT.
How to Convert GMT to EDT
Converting between Greenwich Mean Time and Eastern Daylight Time means accounting for a 4 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current GMT time instantly, or use "+1h" to step forward and compare.
The equivalent Eastern Daylight Time (UTC -4) time appears immediately. Since EDT is 4 hours behind of GMT, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the EDT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our GMT to EDT Converter
When someone in Universal suggests 1:00 PM GMT, that's 9:00 AM EDT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night GMT times can land on a different date in EDT because of the 4 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the GMT–EDT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in GMT. Convert the event time to EDT so you know exactly when to tune in — with a 4 hours difference, a morning event in Universal falls during work hours in United States.
GMT to EDT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Greenwich Mean Time to Eastern Daylight Time full day schedule
| Greenwich Mean Time | Eastern Daylight Time |
|---|---|
| 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
|
Popular GMT Time Converters
Explore more GMT conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.
Convert Other Time Zones to EDT
Find the time difference from any major zone into Eastern Daylight Time. Use these pages when scheduling with United States from a different region.