EST to GMT Converter

Eastern Standard Time (UTC-4:00) → Greenwich Mean Time (UTC+1:00)

EST (Eastern Standard Time)

11:04:59 AM

Sat, May 2, 2026

UTC-4

5 hours ahead

GMT (Greenwich Mean Time)

04:04:59 PM

Sat, May 2, 2026

UTC+1

Time Difference

EST offset
UTC-4:00
GMT offset
UTC+1:00
Difference
5 hours ahead
Best overlap
9 AM–11 AM / 2 PM–4 PM

Time Comparison

EST (Eastern Standard Time)Eastern Standard Time11:04 AM
GMT (Greenwich Mean Time)Greenwich Mean Time4:04 PM
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
NOW11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
MAY 25am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
MAY 312am+1d
1am+1d
2am+1d
3am+1d
4am+1d
BusinessMorning/EveningDawn/DuskNight

24-Hour Conversion Table

Based on standard time (Jan 15 reference). Actual times may differ during DST transitions.

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

Highlighted rows indicate business hours (9 AM–5 PM) in EST.

What is EST?

Full name
Eastern Standard Time
UTC offset
UTC-4:00
IANA timezone
America/New_York
Observes DST
Yes

What is GMT?

Full name
Greenwich Mean Time
UTC offset
UTC+1:00
IANA timezone
Europe/London
Observes DST
Yes

Countries observing EST

  • United States (Eastern)
  • Canada (Eastern)
  • parts of Caribbean

Countries observing GMT

  • United Kingdom (winter)
  • Iceland
  • Ghana
  • Senegal
  • Gambia
  • Sierra Leone

Frequently Asked Questions

EST stands for Eastern Standard Time. It is at UTC-4:00 and is observed in United States (Eastern), Canada (Eastern), parts of Caribbean.
GMT stands for Greenwich Mean Time. It is at UTC+1:00 and is observed in United Kingdom (winter), Iceland, Ghana.
GMT is 5 hours ahead EST. EST is at UTC-4:00 and GMT is at UTC+1:00.
GMT is 5 hours ahead EST.
Yes, EST (Eastern Standard Time) observes Daylight Saving Time. The UTC offset changes seasonally.
Yes, GMT (Greenwich Mean Time) observes Daylight Saving Time. The UTC offset changes seasonally.
EST (Eastern Standard Time) is used in: United States (Eastern), Canada (Eastern), parts of Caribbean.
The best overlap of business hours between EST and GMT is approximately 9 AM–11 AM / 2 PM–4 PM.

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