MST to BST Time Converter
Convert Mountain Time to British Summer 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 MST to BST time difference works
BST is 7 hours ahead of MST. Mountain Time (MST) is the US Mountain time zone.
British Summer Time (BST) is the spring-to-autumn daylight time of the United Kingdom, fixed at one hour ahead of GMT.
For example, 9:00 AM MST is 4:00 PM BST.
Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
MST to BST conversion chart
| Mountain Time (MST) |
British Summer Time (BST) |
| 12:00 AM |
7:00 AM |
| 1:00 AM |
8:00 AM |
| 2:00 AM |
9:00 AM |
| 3:00 AM |
10:00 AM |
| 4:00 AM |
11:00 AM |
| 5:00 AM |
12:00 PM |
| 6:00 AM |
1:00 PM |
| 7:00 AM |
2:00 PM |
| 8:00 AM |
3:00 PM |
| 9:00 AM |
4:00 PM |
| 10:00 AM |
5:00 PM |
| 11:00 AM |
6:00 PM |
| 12:00 PM |
7:00 PM |
| 1:00 PM |
8:00 PM |
| 2:00 PM |
9:00 PM |
| 3:00 PM |
10:00 PM |
| 4:00 PM |
11:00 PM |
| 5:00 PM |
12:00 AM +1 day |
| 6:00 PM |
1:00 AM +1 day |
| 7:00 PM |
2:00 AM +1 day |
| 8:00 PM |
3:00 AM +1 day |
| 9:00 PM |
4:00 AM +1 day |
| 10:00 PM |
5:00 AM +1 day |
| 11:00 PM |
6:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 10:00 AM MST (4:00 PM to 5:00 PM BST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Mountain Time (MST)
DenverSalt Lake CityAlbuquerqueBoiseColorado Springs
British Summer Time (BST)
LondonManchesterBirminghamGlasgowLiverpoolEdinburgh
MST to BST questions
Is BST ahead of or behind MST?
BST is 7 hours ahead of MST. So 9:00 AM MST is 4:00 PM BST, and 5:00 PM MST is 12:00 AM BST.
What time is it in BST when it is 12:00 PM MST?
When it is 12:00 PM (noon) MST in Mountain Time, it is 7:00 PM BST in British Summer Time.
How many hours difference is there between MST and BST?
There is a 7 hours difference. British Summer Time (BST) runs 7 hours ahead of Mountain Time (MST).
Do MST and BST observe daylight saving time?
Mountain 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 MST and BST?
A standard 9-to-5 workday overlaps from 9:00 AM to 10:00 AM MST (4:00 PM to 5:00 PM BST). Scheduling inside that window keeps the call during business hours in both Mountain Time and British Summer Time.
Which cities use MST and BST?
Mountain Time (MST) covers cities such as Denver, Salt Lake City, Albuquerque, Boise, Colorado Springs. British Summer Time (BST) covers cities such as London, Manchester, Birmingham, Glasgow, Liverpool, Edinburgh.
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