London
Denver
Convert BST to MST
British Summer Time to Mountain Standard Time — Denver is 7 hours behind London
Quick Facts
Time Difference
-7 hours
BST Full Name
British Summer Time
MST Full Name
Mountain Standard Time
BST to MST Conversion Table
Related Conversions
About BST and MST Time Zones
BST (British Summer Time) is UTC+1 and covers cities like London, Edinburgh, Cardiff. MST (Mountain Standard Time) is UTC-7 and covers cities like Denver, Phoenix, Salt Lake City.
When it's 12:00 PM (noon) in London (BST), it's 5:00 AM in Denver (MST). The time difference between BST and MST is 7 hours — Denver is behind London.
The 8-hour difference makes real-time overlap challenging — early morning calls (7–9 AM BST) work best.
Daylight Saving Time
MST observes Daylight Saving Time and becomes MDT (Mountain Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-6.
During DST transitions, the time difference between BST and MST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare London and Denver with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between BST and MST?
Denver (MST) is 7 hours behind London (BST). The offset is -7 hours.
Is MST ahead or behind BST?
MST is 7 hours behind BST. BST is UTC+1 and MST is UTC-6.
When it's 12:00 PM in London, what time is it in Denver?
When it's 12:00 PM (noon) in London (BST), it's 5:00 AM in Denver (MST).
When it's 5:00 PM in London, what time is it in Denver?
When it's 5:00 PM in London (BST), it's 10:00 AM in Denver (MST).
Does MST change for Daylight Saving Time?
Yes. MST (Mountain Standard Time, UTC-7) becomes MDT (Mountain Daylight Time, UTC-6) in summer, shifting clocks forward 1 hour.