GMT to EST time converter
Eastern Time (EST) is 5 hours behind Greenwich Mean Time (GMT) in January and 4 hours behind in July, because daylight saving time shifts the difference. Use the grid below to line up Greenwich and New York: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 09:43 UTC in Greenwich and 05:43 EDT in New York.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
GMT to EST: frequently asked
What is the time difference between GMT and EST?
Eastern Time (EST) is 5 hours behind Greenwich Mean Time (GMT) in January and 4 hours behind in July, because daylight saving time shifts the difference.
What time is 9 AM GMT in EST?
9:00 AM GMT is 4:00 AM EST in January, and 5:00 AM EST in July.
When do working hours overlap between Greenwich and New York?
In January: Both sides are within 9:00 AM–5:00 PM working hours between 2:00 PM and 5:00 PM GMT (9:00 AM to 12:00 PM EST). In July: Both sides are within 9:00 AM–5:00 PM working hours between 1:00 PM and 5:00 PM GMT (9:00 AM to 1:00 PM EST).