EST to GMT converter
GMT is 5 hours ahead of EST. The gap is stable for most of the year and wrong for about three weeks of it. The full hour-by-hour table is below, and it reads perfectly well with JavaScript turned off. No account, no email address.
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EST to GMT, hour by hour
Shaded rows are inside a nine-to-five working day in both New York and London (winter).
| EST | GMT |
|---|---|
| 6:00am | 11:00am |
| 7:00am | 12:00pm |
| 8:00am | 1:00pm |
| 9:00am | 2:00pm |
| 10:00am | 3:00pm |
| 11:00am | 4:00pm |
| 12:00pm | 5:00pm |
| 1:00pm | 6:00pm |
| 2:00pm | 7:00pm |
| 3:00pm | 8:00pm |
| 4:00pm | 9:00pm |
| 5:00pm | 10:00pm |
| 6:00pm | 11:00pm |
| 7:00pm | 12:00am next day |
| 8:00pm | 1:00am next day |
| 9:00pm | 2:00am next day |
| 10:00pm | 3:00am next day |
EST to GMT is not the same gap all year
The gap is stable for most of the year and wrong for about three weeks of it. The United States and Europe both use daylight saving, and they do not start and finish it on the same dates: the US moves in mid-March and early November, Europe in late March and late October. In the fortnight or so between, the usual difference is out by an hour.
Those two windows in March and October are when a recurring call quietly moves for one side and not the other.
EST and GMT
- Same all year
- No: one hour less for part of the year
- Shared office hours
- 3 hours
Booking a call between New York and London (winter)
You share about 3 hours of a normal nine-to-five day. 9:00am to 12:00pm in EST is 2:00pm to 5:00pm in GMT. That is inside office hours at both ends, and the only window where neither side is doing you a favour.
When it is 9:00am in New York it is 2:00pm in London (winter). When London (winter) opens at 9:00am, New York reads 4:00am.
EST covers the US east coast and eastern Canada: New York, Toronto, Atlanta, Miami, Boston. GMT covers the UK in winter, and much of west Africa all year: London (winter), Dublin (winter), Accra, Reykjavik.
CDT to GMT is the same conversion
CDT to GMT describes exactly the same 5 hours shift as EST to GMT. The letters differ because they name the winter and summer forms of the same clocks; the arithmetic does not differ at all.
So the table above answers that query too. There is no second page to look for, and no version of the year in which the answer is different.
EST to GMT: common questions
What time is it in GMT when it is 9am EST?
2:00pm. GMT is 5 hours ahead of EST. The table above runs the same conversion for every hour of the day.
Why is my EST to GMT conversion off by an hour?
Because of daylight saving. The gap is stable for most of the year and wrong for about three weeks of it. The United States and Europe both use daylight saving, and they do not start and finish it on the same dates: the US moves in mid-March and early November, Europe in late March and late October. In the fortnight or so between, the usual difference is out by an hour. If a conversion looks an hour out, check which side of a clock change the date falls on.
Does converting EST to GMT ever change the date?
For most of the working day, no. The two clocks stay on the same calendar day. Late evening and very early morning can straddle midnight, which is why the table above shows the day alongside the time.
What is a good time to schedule a call between EST and GMT?
You share about 3 hours of the normal nine-to-five working day: 9:00am to 12:00pm in EST is 2:00pm to 5:00pm in GMT. Anything inside that window is inside office hours at both ends.
Is this EST to GMT converter free?
Yes, completely. No account, no email address, no trial. The table works with JavaScript turned off and nothing you type is sent anywhere.
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