GST to MST Time Converter
Convert Gulf Standard Time to Mountain Time instantly.
Scroll the timeline to check any hour of the day.
Gulf Standard Time
GST
12:25
Mountain Time
MST
2:25
GST is on standard time (+04), while MST is on daylight savings (MDT) right now.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the GST to MST time difference works
MST is 10 hours behind GST. Gulf Standard Time (GST) is the time zone of the United Arab Emirates and Oman. Mountain Time (MST) is the US Mountain time zone. For example, 9:00 AM GST is 11:00 PM MST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
10 hours
Daylight saving
MST only
GST offset
UTC+4
MST offset
UTC-7
GST to MST conversion chart
| Gulf Standard Time (GST) | Mountain Time (MST) |
|---|---|
| 12:00 AM | 2:00 PM -1 day |
| 1:00 AM | 3:00 PM -1 day |
| 2:00 AM | 4:00 PM -1 day |
| 3:00 AM | 5:00 PM -1 day |
| 4:00 AM | 6:00 PM -1 day |
| 5:00 AM | 7:00 PM -1 day |
| 6:00 AM | 8:00 PM -1 day |
| 7:00 AM | 9:00 PM -1 day |
| 8:00 AM | 10:00 PM -1 day |
| 9:00 AM | 11:00 PM -1 day |
| 10:00 AM | 12:00 AM |
| 11:00 AM | 1:00 AM |
| 12:00 PM | 2:00 AM |
| 1:00 PM | 3:00 AM |
| 2:00 PM | 4:00 AM |
| 3:00 PM | 5:00 AM |
| 4:00 PM | 6:00 AM |
| 5:00 PM | 7:00 AM |
| 6:00 PM | 8:00 AM |
| 7:00 PM | 9:00 AM |
| 8:00 PM | 10:00 AM |
| 9:00 PM | 11:00 AM |
| 10:00 PM | 12:00 PM |
| 11:00 PM | 1:00 PM |
Cities in each time zone
Gulf Standard Time (GST)
DubaiAbu DhabiSharjahMuscatAl Ain
Mountain Time (MST)
DenverSalt Lake CityAlbuquerqueBoiseColorado Springs
GST to MST questions
Is MST ahead of or behind GST?
MST is 10 hours behind GST. So 9:00 AM GST is 11:00 PM MST, and 5:00 PM GST is 7:00 AM MST.
What time is it in MST when it is 12:00 PM GST?
When it is 12:00 PM (noon) GST in Gulf Standard Time, it is 2:00 AM MST in Mountain Time.
How many hours difference is there between GST and MST?
There is a 10 hours difference. Mountain Time (MST) runs 10 hours behind Gulf Standard Time (GST).
Do GST and MST observe daylight saving time?
Mountain Time observes daylight saving time but Gulf Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between GST and MST?
A standard 9-to-5 workday in Gulf Standard Time and Mountain Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use GST and MST?
Gulf Standard Time (GST) covers cities such as Dubai, Abu Dhabi, Sharjah, Muscat, Al Ain. Mountain Time (MST) covers cities such as Denver, Salt Lake City, Albuquerque, Boise, Colorado Springs.