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
14:55:26
Sunday, May 10, 2026
MDT · UTC-06:00
London · Greenwich Mean Time
21:55:26
Sunday, May 10, 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?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
MST
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Denver (MST). Each row shows the local working-hours state in that zone for the same moment in time.
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 Sun07:00 SunOff-hours both sides
01:00 Sun08:00 SunOff-hours both sides
02:00 Sun09:00 SunGMT working
03:00 Sun10:00 SunGMT working
04:00 Sun11:00 SunGMT working
05:00 Sun12:00 SunGMT working
06:00 Sun13:00 SunGMT working
07:00 Sun14:00 SunGMT working
08:00 Sun15:00 SunGMT working
09:00 Sun16:00 SunBoth at work
10:00 Sun17:00 SunMST working
11:00 Sun18:00 SunMST working
12:00 Sun19:00 SunMST working
13:00 Sun20:00 SunMST working
14:00 Sun21:00 SunMST working
15:00 Sun22:00 SunMST working
16:00 Sun23:00 SunMST working
17:00 Sun00:00 MonOff-hours both sides
18:00 Sun01:00 MonOff-hours both sides
19:00 Sun02:00 MonOff-hours both sides
20:00 Sun03:00 MonOff-hours both sides
21:00 Sun04:00 MonOff-hours both sides
22:00 Sun05:00 MonOff-hours both sides
23:00 Sun06:00 MonOff-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
05:51
Sunset
20:03
Solar noon
12:57
Daylight
14h 12m
London
Sunrise
05:18
Sunset
20:38
Solar noon
12:58
Daylight
15h 20m

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 Sun in Denver (MST), it is 19:00 Sun 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.
Is Denver ahead of or behind London?+
Whether Denver (MST) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 7 hours ahead MST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for MST and GMT?+
MST is UTC-06:00 (MDT) and GMT is UTC+01:00 (GMT+1). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both MST and GMT?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–09:00 MST.