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What's GMT in Eastern time?

Greenwich Mean Time to Eastern Time

Eastern Time is 4 hours behind Greenwich Mean Time on Wednesday, September 30, 2026.

When it's noon in GMT (GMT), it's 8:00 AM in Eastern (EDT).

The current time in Greenwich Mean Time and Eastern Time shows here once the page has loaded in your browser.

GMT to Eastern chart for Wednesday, September 30, 2026

Each hour is converted at its own moment, so the chart stays right on days when the clocks change.

Greenwich Mean Time to Eastern Time, hour by hour, on Wednesday, September 30, 2026
Greenwich Mean Time (GMT)Eastern Time (EDT)Gap
12:00 AM8:00 PM (prev. day)−4 h
1:00 AM9:00 PM (prev. day)−4 h
2:00 AM10:00 PM (prev. day)−4 h
3:00 AM11:00 PM (prev. day)−4 h
4:00 AM12:00 AM−4 h
5:00 AM1:00 AM−4 h
6:00 AM2:00 AM−4 h
7:00 AM3:00 AM−4 h
8:00 AM4:00 AM−4 h
9:00 AM5:00 AM−4 h
10:00 AM6:00 AM−4 h
11:00 AM7:00 AM−4 h
12:00 PM8:00 AM−4 h
1:00 PM9:00 AM−4 h
2:00 PM10:00 AM−4 h
3:00 PM11:00 AM−4 h
4:00 PM12:00 PM−4 h
5:00 PM1:00 PM−4 h
6:00 PM2:00 PM−4 h
7:00 PM3:00 PM−4 h
8:00 PM4:00 PM−4 h
9:00 PM5:00 PM−4 h
10:00 PM6:00 PM−4 h
11:00 PM7:00 PM−4 h

“Prev. day” and “next day” are relative to Wednesday, September 30, 2026 in Greenwich Mean Time. Gap = Eastern time minus GMT time (4 h behind today).

Convert a specific time

Pick any date and time — the converter uses the offsets that apply on that date.

Fixed UTC+0 · never changes

New York · America/New_York

12:00 PM in Greenwich Mean Time (GMT) is

8:00 AM in Eastern Time

Wednesday, September 30, 2026 · EDT (UTC−4)

Eastern Time is 4 hours behind Greenwich Mean Time at that moment.

  • Greenwich Mean Time doesn't change its clocks — it stays on GMT (UTC±0) all year.
  • Eastern Time is on daylight saving (summer) time, EDT (UTC−4). Next change: clocks go back 1 hour at 2:00 AM on Sunday, November 1, 2026.

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Need the time a number of hours from now instead? Try hours from now.

Frequently asked questions

What's the time difference between Greenwich Mean Time and Eastern Time?

Eastern Time is 4 hours behind Greenwich Mean Time on Wednesday, September 30, 2026. In 2026, Eastern time is 5 hours behind from January 1 to March 7; 4 hours behind from March 8 to October 31; 5 hours behind from November 1 to December 31.

Does daylight saving time change the GMT–ET difference?

Yes. Eastern Time moves its clocks for daylight saving time and Greenwich Mean Time doesn't, so the gap changes by an hour twice a year. The chart on this page always uses the offsets for its date.