Time zone conversion

GMT to MST time converter

Convert Greenwich Mean Time to Mountain Standard Time for a specific date and time. The result uses the stated fixed offset for GMT and the stated fixed offset for MST.

New York-
Shanghai-

GMT nowFri, 2:34 AM UTCUTC+00:00
MST nowThu, 7:34 PM GMT-7UTC-07:00
Current differenceMST is 7 hours behind GMTOffsets can change when a city observes daylight saving time.

24-hour reference

GMT to MST time table

This table uses Friday, July 31, 2026 in GMT. Choose another date in the converter above when daylight saving rules may differ.

GMTMST
12:00 AMThu 5:00 PM
1:00 AMThu 6:00 PM
2:00 AMThu 7:00 PM
3:00 AMThu 8:00 PM
4:00 AMThu 9:00 PM
5:00 AMThu 10:00 PM
6:00 AMThu 11:00 PM
7:00 AMFri 12:00 AM
8:00 AMFri 1:00 AM
9:00 AMFri 2:00 AM
10:00 AMFri 3:00 AM
11:00 AMFri 4:00 AM
12:00 PMFri 5:00 AM
1:00 PMFri 6:00 AM
2:00 PMFri 7:00 AM
3:00 PMFri 8:00 AM
4:00 PMFri 9:00 AM
5:00 PMFri 10:00 AM
6:00 PMFri 11:00 AM
7:00 PMFri 12:00 PM
8:00 PMFri 1:00 PM
9:00 PMFri 2:00 PM
10:00 PMFri 3:00 PM
11:00 PMFri 4:00 PM

Meeting planner

Working-hour overlap

1 hour in this reference day fall between 9:00 AM and 5:00 PM in both locations.

The first shared working-hour row is 4:00 PM GMT, which is Fri 9:00 AM MST. Green rows in the table mark the full overlap.

Offset rules used

GMT is represented here as the fixed UTC+00:00 civil-time offset.

MST is fixed at UTC-07:00 and does not move forward for daylight saving time.

From time zone

About Greenwich Mean Time

GMT is represented here as the fixed UTC+00:00 civil-time offset.

IANA identifier: UTC

To time zone

About Mountain Standard Time

MST is fixed at UTC-07:00 and does not move forward for daylight saving time.

IANA identifier: Etc/GMT+7

Related routes

More time zone converters

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Accuracy

Date-aware time conversion

Offsets are resolved for the local date entered, rather than treating the current offset as permanent. This matters around daylight saving transitions and when locations change rules on different dates.

The converter uses the IANA time-zone database available in the browser. A local clock time skipped during a spring-forward transition is reported as invalid instead of silently changing the requested time.

Questions

GMT to MST FAQ

What is the time difference from GMT to MST?

MST is currently 7 hours behind GMT. City offsets can change with daylight saving time, so use the date-specific converter for another date.

How do I convert GMT time to MST?

Choose the local date and time in GMT. The converter resolves that wall-clock time with UTC, then formats the same instant in Etc/GMT+7.

Does GMT to MST change with daylight saving time?

No. Both selections are fixed UTC offsets, so their difference remains constant.