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GMT to EST Converter – Convert GMT to Eastern Time

Free GMT to EST Time Zone Converter - Convert Greenwich Mean Time to Eastern Standard Time, UTC to Any Timezone

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When it's --:-- in ---, it's:
--:----- (---)
--- is --- hrs behind/ahead of ---
---

Quick Reference: EST is 5 hours behind GMT (EDT during daylight saving).

Common GMT to EST Conversions:
00:00 GMT = 19:00 EST (prev day) | 06:00 GMT = 01:00 EST | 09:00 GMT = 04:00 EST | 12:00 GMT = 07:00 EST | 15:00 GMT = 10:00 EST | 18:00 GMT = 13:00 EST

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CURRENT LOCAL TIME
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Tuesday, July 8, 2025
12:00 PM
Your Local Time

Common Questions About GMT to EST Conversion

What is the time difference between GMT and EST?

EST is 5 hours behind GMT (winter), 4 hours behind (EDT summer).

00:00 GMT 19:00 EST -1
09:00 GMT 04:00 EST
12:00 GMT 07:00 EST
20:00 GMT 15:00 EST

Does the time difference change?

Yes, due to Daylight Saving Time transitions.

Winter: 5 hours behind
Summer: 4 hours behind

Always use our converter during March and November for accurate DST transitions.

What is the best time for meetings between GMT and EST?

Optimal window: 14:00-17:00 GMT = 09:00-12:00 EST

15:00 GMT
= 10:00 EST
17:00 GMT
= 12:00 EST

Works for UK/GMT business hours and US East Coast business hours.

GMT to EST Quick Conversion Chart

00:00 GMT 19:00 -1 EST
09:00 GMT 04:00 EST
12:00 GMT 07:00 EST
14:00 GMT 09:00 EST
20:00 GMT 15:00 EST
22:00 GMT 17:00 EST

Frequently Asked Questions

To convert GMT to EST, use our free time zone converter above. Simply select your time and date to see the instant conversion. Our tool automatically accounts for Daylight Saving Time changes in both time zones.

The time difference between GMT and EST varies depending on whether Daylight Saving Time is in effect. Use our converter above for the most accurate, real-time time difference.

The best meeting time between United Kingdom (GMT) and US East Coast (EST) depends on business hours in both locations. Use our advanced meeting planner below to find overlapping work hours that suit both time zones.

United Kingdom observes Daylight Saving Time, switching between GMT and BST. This affects the time difference with EST during DST transitions.

Major cities in the GMT timezone include London and other cities in United Kingdom. These cities switch between GMT and BST for Daylight Saving Time.

Major cities in the EST timezone include New York and other cities in US East Coast. These cities switch between EST and EDT for Daylight Saving Time.

For calls between United Kingdom (GMT) and US East Coast (EST), use our converter to find mutually convenient times. Always specify both local times in meeting invites to avoid confusion, and account for Daylight Saving Time changes.

Need more help? Check our complete FAQ section.

View Complete FAQ

Popular Cities in These Timezones

GMT Timezone Cities:

London, Dublin, Edinburgh, Cardiff

EST Timezone Cities:

New York, Boston, Miami, Atlanta