Denver
London
Convert MST to GMT
Mountain Standard Time to Greenwich Mean Time — London is 7 hours ahead of Denver
Quick Facts
Time Difference
+7 hours
MST Full Name
Mountain Standard Time
GMT Full Name
Greenwich Mean Time
MST to GMT Conversion Table
Related Conversions
About MST and GMT Time Zones
MST (Mountain Standard Time) is UTC-7 and covers cities like Denver, Phoenix, Salt Lake City. GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon.
When it's 12:00 PM (noon) in Denver (MST), it's 7:00 PM in London (GMT). The time difference between MST and GMT is 7 hours — London is ahead of Denver.
The best meeting window is 4:00 PM–5:00 PM MST (9:00 AM–10:00 AM GMT).
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 MST and GMT may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Denver and London with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between MST and GMT?
London (GMT) is 7 hours ahead of Denver (MST). The offset is +7 hours.
Is GMT ahead or behind MST?
GMT is 7 hours ahead of MST. MST is UTC-6 and GMT is UTC+1.
When it's 12:00 PM in Denver, what time is it in London?
When it's 12:00 PM (noon) in Denver (MST), it's 7:00 PM in London (GMT).
When it's 5:00 PM in Denver, what time is it in London?
When it's 5:00 PM in Denver (MST), it's 12:00 AM in London (GMT).
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.