GMT to EST: Convert GMT / UTC to US Eastern Time
Need to convert GMT to EST? US Eastern (EST) is -5 hours from GMT / UTC. Whether you are scheduling a call, planning a meeting, or coordinating with a remote team, this quick reference shows common time conversions between GMT and EST. Use our Timezone Converter for any custom time.
Quick Answer
| Label | Value |
|---|---|
| 9:00 AM GMT | 4:00 AM EST |
| 12:00 PM GMT | 7:00 AM EST |
| 3:00 PM GMT | 10:00 AM EST |
| 6:00 PM GMT | 1:00 PM EST |
How It Works
EST = GMT -5 hours. GMT / UTC is UTC+0 and US Eastern (EST) is UTC-5. The difference is -5 hours. Add -5 hours to any GMT time to get EST. If the result exceeds 11:59 PM, it rolls to the next day. Our Timezone Converter handles all the math including half-hour offsets and day boundaries.
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Related Calculators
9:00 AM GMT is 4:00 AM EST. The offset is -5 hours.
This converter uses standard time offsets. During daylight saving in either region, the offset may shift by 1 hour. Check specific dates for accuracy.
Look for overlapping business hours (9 AM - 5 PM) in both zones. With a -5-hour difference, the overlap depends on how far apart the zones are. Use our converter to check specific times.