12 AM (midnight) GMT to EST
12:00 AM GMT is 7:00 PM EST (previous day).
12 AM GMT in other time zones
Quarter hours: 12 AM, 12:15, 12:30 and 12:45 GMT
- 12:00 AM GMT = 7:00 PM EST (previous day)
- 12:15 AM GMT = 7:15 PM EST (previous day)
- 12:30 AM GMT = 7:30 PM EST (previous day)
- 12:45 AM GMT = 7:45 PM EST (previous day)
12 AM GMT to EST FAQ
What is 12 AM GMT in EST?
12:00 AM GMT is 7:00 PM EST (previous day).
Is 12 AM GMT the same day in EST?
No. 12:00 AM GMT is 7:00 PM EST on the previous day.
What is 12:30 AM GMT in EST?
12:30 AM GMT = 7:30 PM EST (previous day).
Is 12 AM ET the same as 12 AM EST?
ET (Eastern Time) is the year-round name for these clocks, so 12 AM ET means 12 AM EST on today's date. 12:00 AM GMT is 7:00 PM EST (previous day).
Related conversions
All GMT to EST times
12 AM GMT to EST1 AM GMT to EST2 AM GMT to EST3 AM GMT to EST4 AM GMT to EST5 AM GMT to EST6 AM GMT to EST7 AM GMT to EST8 AM GMT to EST9 AM GMT to EST10 AM GMT to EST11 AM GMT to EST12 PM GMT to EST1 PM GMT to EST2 PM GMT to EST3 PM GMT to EST4 PM GMT to EST5 PM GMT to EST6 PM GMT to EST7 PM GMT to EST8 PM GMT to EST9 PM GMT to EST10 PM GMT to EST11 PM GMT to EST
Convert EST to GMT
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Updated 6 November 2026. Time zone data: IANA tz database.