GMT to EST Converter

Convert Greenwich Mean Time (GMT) to Eastern Time (EST). Right now EST is 4 hours behind GMT; daylight saving is applied automatically for any date.

  • --:--same time

GMT to EST conversion table

Every hour of the Greenwich Mean Time day with today's offsets (UTC → UTC−4). Highlighted rows are business hours (9 AM–6 PM) in both zones.

GMTEST
12:00 AM8:00 PM (previous day)
1:00 AM9:00 PM (previous day)
2:00 AM10:00 PM (previous day)
3:00 AM11:00 PM (previous day)
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Daylight saving time

The gap changes with daylight saving time: around January EST is 5 hours behind, and around July 4 hours behind GMT. During the few weeks when only one side has switched clocks, the gap can differ again — the converter above always uses the exact date.

Frequently Asked Questions

What is the time difference between GMT and EST?
Right now EST is 4 hours behind GMT. The gap changes with daylight saving time: around January EST is 5 hours behind, and around July 4 hours behind GMT. During the few weeks when only one side has switched clocks, the gap can differ again — the converter above always uses the exact date.

What time is 9 AM GMT in EST?
9:00 AM GMT is 5:00 AM EST, using today's offsets.

Is GMT the same as Greenwich Mean Time?
GMT refers to Greenwich Mean Time. This page converts it with the correct offset for the date.