Time Zone Conversion
GMT to EST Converter
EST is currently 5 hours behind GMT.
Greenwich Mean Time (GMT) is 5 hours ahead of Eastern Standard Time (EST). When it is 5:00 PM GMT, it is 12:00 PM (noon) EST. During Daylight Saving Time, London shifts to BST (UTC+1) and New York shifts to EDT (UTC-4).
Current Clocks
Current GMT and EST Time
GMT (Greenwich Mean Time) 5:16 PM Friday, November 6, 2026 GMT, UTC+0
EST (Eastern Standard Time) 12:16 PM Friday, November 6, 2026 EST, UTC-5
FAQ
GMT to EST Frequently Asked Questions
What is the time difference between GMT and EST?
Greenwich Mean Time (GMT) is 5 hours ahead of Eastern Standard Time (EST). When it is 5:00 PM GMT, it is 12:00 PM (noon) EST. During Daylight Saving Time, London shifts to BST (UTC+1) and New York shifts to EDT (UTC-4).
When is 12:00 PM (noon) GMT in EST?
When it is 12:00 PM GMT, it is 7:00 AM EST.
What are the optimal call hours between GMT and EST?
The best window for cross-zone calls is during overlapping business hours between 9:00 AM and 5:00 PM in both regions. See the highlighted green rows in the table above for exact hour slots.