MST to GMT Converter

Convert Mountain Time (MST) to Greenwich Mean Time (GMT), with daylight saving time handled for you.

GMT to MST

Now in MST

12:02 PM

Mountain Time · Denver

Now in GMT

6:02 PM

Greenwich Mean Time · UTC / GMT

Results

12:02 PM MST in GMT

6:02 PM

Greenwich Mean Time · right now GMT is 6 hours ahead of MST

Times follow Denver for MST and UTC / GMT for GMT, using the IANA time zone database.

MST to GMT time difference

GMT is 6 hours ahead of MST for most of 2026, and 7 hours ahead of MST for about 127 days, because daylight saving time changes on different dates.

In 2026, Mountain Time switches to MDT on March 8 and back to MST on November 1. Greenwich Mean Time does not use daylight saving time.

MST to GMT conversion table

Every hour on 2026-09-28. Highlighted rows fall inside 9 AM–5 PM in both zones.

MST (Mountain Time)GMT (Greenwich Mean Time)
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AM · next day
7:00 PM1:00 AM · next day
8:00 PM2:00 AM · next day
9:00 PM3:00 AM · next day
10:00 PM4:00 AM · next day
11:00 PM5:00 AM · next day

Working hours overlap

On 2026-09-28, a 9 AM–5 PM workday in MST and in GMT overlap for about 2 hours, from 9:00 AM to 11:00 AM MST (3:00 PM to 5:00 PM GMT).

Convert MST to other time zones

How to use

Follow these steps to get a result

  1. Pick a date and a time in Mountain Time (MST).

  2. Read the matching GMT time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

GMT is 6 hours ahead of MST for most of 2026, and 7 hours ahead of MST for about 127 days, because daylight saving time changes on different dates.

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