MST to GMT Time Converter

Convert Mountain Standard Time (MST) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 7 hours ahead.

Denver · Mountain Standard Time
12:28:20
Tuesday, May 5, 2026
MDT · UTC-06:00
London · Greenwich Mean Time
19:28:20
Tuesday, May 5, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: MST (Denver)
To: GMT (London)
--:--

Daylight Saving status right now

MST (Mountain Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-06:00 → UTC-07:00
GMT (Greenwich Mean Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00

When can MST and GMT meet?

1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–09:00 MST (16:00–16:00 GMT).

Hour-by-hour MST to GMT conversion table

MST time (Denver)GMT time (London)Status
00:00 Tue07:00 TueOff-hours both sides
01:00 Tue08:00 TueOff-hours both sides
02:00 Tue09:00 TueGMT working
03:00 Tue10:00 TueGMT working
04:00 Tue11:00 TueGMT working
05:00 Tue12:00 TueGMT working
06:00 Tue13:00 TueGMT working
07:00 Tue14:00 TueGMT working
08:00 Tue15:00 TueGMT working
09:00 Tue16:00 TueBoth at work
10:00 Tue17:00 TueMST working
11:00 Tue18:00 TueMST working
12:00 Tue19:00 TueMST working
13:00 Tue20:00 TueMST working
14:00 Tue21:00 TueMST working
15:00 Tue22:00 TueMST working
16:00 Tue23:00 TueMST working
17:00 Tue00:00 WedOff-hours both sides
18:00 Tue01:00 WedOff-hours both sides
19:00 Tue02:00 WedOff-hours both sides
20:00 Tue03:00 WedOff-hours both sides
21:00 Tue04:00 WedOff-hours both sides
22:00 Tue05:00 WedOff-hours both sides
23:00 Tue06:00 WedOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Mountain Standard Time (MST)
IANA identifier
America/Denver
Current UTC offset
UTC-06:00
Current abbreviation
MDT
Major cities in this zone
DenverPhoenixSalt Lake CityAlbuquerque
Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham

Sun today in Denver and London

Denver
Sunrise
05:56
Sunset
19:58
Solar noon
12:57
Daylight
14h 1m
London
Sunrise
05:26
Sunset
20:30
Solar noon
12:58
Daylight
15h 3m

Related converters

GMT to MST (reverse)MST to ESTMST to PSTMST to UTCMST to CETMST to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Denver or time in London.

Frequently asked questions

What is the time difference between MST and GMT right now?+
GMT (Greenwich Mean Time) is currently 7 hours ahead MST (Mountain Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does MST or GMT observe daylight saving time?+
MST: observes daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between MST and GMT?+
The strongest overlap is 09:00–09:00 MST (16:00–16:00 GMT), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in London when it is 12:00 noon in Denver?+
When it is 12:00 Tue in Denver (MST), it is 19:00 Tue in London (GMT).
Which IANA time zone identifiers are used for MST and GMT?+
MST maps to "America/Denver" in the IANA database. GMT maps to "Europe/London". These identifiers are what most software libraries use to convert times accurately, including DST handling.