United States to GMT time converter

GMT is 4 hours ahead of United States. When it is 9:00 AM in United States, it is 1:00 PM in GMT.

United States EDT

Saturday, October 17, 2026

GMT UTC

Saturday, October 17, 2026

Washington, D.C.
Sat, Oct 17
EDTUTC-4
Greenwich Mean Time
Sat, Oct 17
UTC+4h
Finding your time zone…

12:10 PM in United States, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

United States to GMT conversion table

Every hour of today in United States and the matching time in GMT. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in United States (1:00 PM – 6:00 PM in GMT).

Daylight saving time and the difference

The difference changes during the year because United States and GMT switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Oct 17, 2027: +4h

More conversions

Questions and answers

What is the time difference between United States and GMT?

GMT is 4 hours ahead of United States.

What time is it in GMT when it is 9 AM in United States?

When it is 9:00 AM in United States, it is 1:00 PM in GMT.

When is the best time to call GMT from United States?

Both sides are at work from 9:00 AM – 2:00 PM in United States (1:00 PM – 6:00 PM in GMT).

Does the time difference between United States and GMT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.