GST to MST Converter

MST is 11h 0m behind GST. When it's 12:00 PM GST, it's 1:00 AM MST.

From

GST · UTC+4

8:09:51AM

Gulf Standard Time

e.g. Dubai

To

MST · UTC-7

9:09:51PM

Mountain Standard Time

e.g. Denver, Phoenix

Open in World ClockMST → GST
9:00 AM GST=10:00 PM(−1 day) MST
12:00 PM GST=1:00 AM MST
5:00 PM GST=6:00 AM MST

Hourly conversion (GST → MST)

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

Shaded rows are within standard working hours (8am–6pm) on both sides.

MST (UTC−7) is the standard-time offset; most of the US Mountain region uses MDT (UTC−6) in summer.

More GST conversions

Frequently asked questions

What is the time difference between GST and MST?
MST is 11h 0m behind GST. GST is UTC+4 and MST is UTC-7.
What is 12:00 PM GST in MST?
12:00 PM GST is 1:00 AM MST.
Does GST change for daylight saving time?
GST is a fixed offset of UTC+4 and does not itself change for daylight saving time.