MST to BST Time Converter

Convert Mountain Time to British Summer Time instantly.
Scroll the timeline to check any hour of the day.

Mountain Time MST
2:24 PM Jun 20
British Summer Time BST
9:24 PM Jun 20
MST and BST are on daylight savings right now, shown as MDT and BST.

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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. 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.

Time difference
7 hours
Daylight saving
Both observe
MST offset
UTC-7
BST offset
UTC+0

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)
LondonManchesterBirminghamGlasgowLiverpoolBristol

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?
Both Mountain Time and British Summer Time observe daylight saving time, but they switch on different dates, so the gap briefly shifts by an hour around the spring and autumn changeovers.
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, Bristol.

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