GMT to EST time difference
EST is 4 hours behind GMT right now. The difference changes between 5 hours and 4 hours during the year because of daylight saving time.
Quick examples: 9:00 AM GMT = 5:00 AM EST · 12:00 PM GMT = 8:00 AM EST · 5:00 PM GMT = 1:00 PM EST
GMT to EST conversion table
| Greenwich Mean Time (GMT) | Eastern Time (EST) |
|---|---|
| 12:00 AM GMT | 8:00 PM EST (previous day) |
| 1:00 AM GMT | 9:00 PM EST (previous day) |
| 2:00 AM GMT | 10:00 PM EST (previous day) |
| 3:00 AM GMT | 11:00 PM EST (previous day) |
| 4:00 AM GMT | 12:00 AM EST |
| 5:00 AM GMT | 1:00 AM EST |
| 6:00 AM GMT | 2:00 AM EST |
| 7:00 AM GMT | 3:00 AM EST |
| 8:00 AM GMT | 4:00 AM EST |
| 9:00 AM GMT | 5:00 AM EST |
| 10:00 AM GMT | 6:00 AM EST |
| 11:00 AM GMT | 7:00 AM EST |
| 12:00 PM GMT | 8:00 AM EST |
| 1:00 PM GMT | 9:00 AM EST |
| 2:00 PM GMT | 10:00 AM EST |
| 3:00 PM GMT | 11:00 AM EST |
| 4:00 PM GMT | 12:00 PM EST |
| 5:00 PM GMT | 1:00 PM EST |
| 6:00 PM GMT | 2:00 PM EST |
| 7:00 PM GMT | 3:00 PM EST |
| 8:00 PM GMT | 4:00 PM EST |
| 9:00 PM GMT | 5:00 PM EST |
| 10:00 PM GMT | 6:00 PM EST |
| 11:00 PM GMT | 7:00 PM EST |
How to convert GMT to EST
- Pick a date and time in Greenwich Mean Time.
- The matching Eastern Time time appears instantly on the right.
- Use the ⇄ button to convert EST to GMT instead.
About Greenwich Mean Time and Eastern Time
Greenwich Mean Time (GMT) is used in the Greenwich meridian (London in winter, Iceland, and West Africa). Eastern Time (EST) is used in New York, Washington DC, Miami and Toronto.
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Frequently asked questions
What is the time difference between GMT and EST?
EST is 4 hours behind GMT right now. The difference changes between 5 hours and 4 hours during the year because of daylight saving time.
How do I convert GMT to EST?
Subtract 4 hours to the GMT time. For example, 12:00 PM GMT is 8:00 AM EST.
Where is GMT used?
Greenwich Mean Time is used in the Greenwich meridian (London in winter, Iceland, and West Africa).
Where is EST used?
Eastern Time is used in New York, Washington DC, Miami and Toronto.
Does this converter handle daylight saving time?
Yes. The converter uses the official time zone database, so it automatically applies daylight saving time for the date you pick.