What is the time difference between EST and GMT?

EST is 5 hours ahead GMT. EST is UTC-5 and GMT is UTC+0.

What are the best meeting times between EST and GMT?

Best overlap hours: 8 AM EST = 12 PM GMT; 9 AM EST = 1 PM GMT; 10 AM EST = 2 PM GMT; 11 AM EST = 3 PM GMT; 12 PM EST = 4 PM GMT.

EST to GMT Time Conversion

Eastern Standard Time → Greenwich Mean Time

EST

UTC-5

Eastern Standard Time

offset

+5h

GMT is 5h ahead

GMT

UTC+0

Greenwich Mean Time

Both EST and GMT observe DST — offset may shift ±1h during transitions

Eastern Standard Time (EST) is 5 hours ahead Greenwich Mean Time (GMT). When it is noon in EST, it is 4 PM in GMT. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: GMT to EST

All 24 Hours — EST to GMT

Click any row to see the full detail page for that hour

Both business hoursPartial overlapOff hours

12 AM6 AM12 PM6 PM11 PM

Frequently Asked Questions — EST to GMT

Eastern Standard Time (EST) is 5 hours ahead of Greenwich Mean Time (GMT). EST is UTC-5 and GMT is UTC+0. This offset may shift by ±1 hour during Daylight Saving Time transitions.