BST to EST Time Converter
Convert British Summer Time to Eastern Time instantly.
Scroll the timeline to check any hour of the day.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the BST to EST time difference works
EST is 5 hours behind BST. British Summer Time (BST) is the spring-to-autumn daylight time of the United Kingdom, fixed at one hour ahead of GMT.
Eastern Time (EST) is the time zone of the US East Coast.
For example, 9:00 AM BST is 4:00 AM EST.
Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
BST to EST conversion chart
| British Summer Time (BST) |
Eastern Time (EST) |
| 12:00 AM |
7:00 PM -1 day |
| 1:00 AM |
8:00 PM -1 day |
| 2:00 AM |
9:00 PM -1 day |
| 3:00 AM |
10:00 PM -1 day |
| 4:00 AM |
11:00 PM -1 day |
| 5:00 AM |
12:00 AM |
| 6:00 AM |
1:00 AM |
| 7:00 AM |
2:00 AM |
| 8:00 AM |
3:00 AM |
| 9:00 AM |
4:00 AM |
| 10:00 AM |
5:00 AM |
| 11:00 AM |
6:00 AM |
| 12:00 PM |
7:00 AM |
| 1:00 PM |
8:00 AM |
| 2:00 PM |
9:00 AM |
| 3:00 PM |
10:00 AM |
| 4:00 PM |
11:00 AM |
| 5:00 PM |
12:00 PM |
| 6:00 PM |
1:00 PM |
| 7:00 PM |
2:00 PM |
| 8:00 PM |
3:00 PM |
| 9:00 PM |
4:00 PM |
| 10:00 PM |
5:00 PM |
| 11:00 PM |
6:00 PM |
Best time to meet
A standard 9 to 5 workday overlaps from 2:00 PM to 5:00 PM BST (9:00 AM to 12:00 PM EST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
British Summer Time (BST)
LondonManchesterBirminghamGlasgowLiverpoolEdinburgh
Eastern Time (EST)
New YorkWashington D.C.AtlantaMiamiBostonPhiladelphia
BST to EST questions
Is EST ahead of or behind BST?
EST is 5 hours behind BST. So 9:00 AM BST is 4:00 AM EST, and 5:00 PM BST is 12:00 PM EST.
What time is it in EST when it is 12:00 PM BST?
When it is 12:00 PM (noon) BST in British Summer Time, it is 7:00 AM EST in Eastern Time.
How many hours difference is there between BST and EST?
There is a 5 hours difference. Eastern Time (EST) runs 5 hours behind British Summer Time (BST).
Do BST and EST observe daylight saving time?
Eastern Time observes daylight saving time but British Summer Time does not, so the difference between them changes by an hour twice a year. BST is itself the daylight-saving period of the United Kingdom: clocks there run on BST from late March to late October and return to GMT in winter.
What is the best time to schedule a meeting between BST and EST?
A standard 9-to-5 workday overlaps from 2:00 PM to 5:00 PM BST (9:00 AM to 12:00 PM EST). Scheduling inside that window keeps the call during business hours in both British Summer Time and Eastern Time.
Which cities use BST and EST?
British Summer Time (BST) covers cities such as London, Manchester, Birmingham, Glasgow, Liverpool, Edinburgh. Eastern Time (EST) covers cities such as New York, Washington D.C., Atlanta, Miami, Boston, Philadelphia.
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