GMT to EST time difference
Right now US Eastern Time is 5 hours behind UK: when it is 9:00 AM in UK (BST), it is 4:00 AM in US Eastern Time (EDT). The difference is not fixed. UK and US Eastern Time change the clocks twice a year, so from October 25, 2026 the gap becomes 4 hours, and from November 1, 2026 it goes back to 5 hours.
GMT to EST conversion table
Every hour of the day in UK and the matching time in US Eastern Time, for today, October 10, 2026.
| GMT (UK) | EST (US Eastern Time) |
|---|---|
| 12:00 AM | 7:00 PM (previous day) |
| 1:00 AM | 8:00 PM (previous day) |
| 2:00 AM | 9:00 PM (previous day) |
| 3:00 AM | 10:00 PM (previous day) |
| 4:00 AM | 11:00 PM (previous day) |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Scheduling tips
With a gap of 5 hours there are a few shared working hours each day. Plan meetings for the morning of the place that is behind. When you share a time, write the zone with it, such as "9:00 AM GMT", and remember that a time near midnight can fall on a different date on the other side.
Reverse: EST to GMT. Other converters: PKT to EST · GMT to PKT · PST to EST · CST to EST · IST to EST · any time zone to your time
Frequently asked questions
What is the time difference between GMT and EST?
Right now US Eastern Time is 5 hours behind UK. The gap changes to 4 hours on October 25, 2026 when daylight saving time starts or ends.
What time is it in US Eastern Time when it is 9 AM in UK?
4:00 AM.
What is 8 PM GMT in EST?
3:00 PM EDT.
Does the GMT to EST difference change during the year?
Yes. One or both places use daylight saving time, so the gap changes on October 25, 2026 and November 1, 2026.
How do I convert GMT to EST?
Enter the GMT time and date at the top. The converter applies the difference for that date, including daylight saving time.
What is 12 PM GMT in EST?
7:00 AM today.
What is 6 PM GMT in EST?
1:00 PM today.
What is the best time for a call between UK and US Eastern Time?
Pick a time that is in working hours in both places; the hour-by-hour table on this page shows both clocks side by side.