UTC to MST Time Converter
Mountain Standard Time (MST) is currently 7 hours behind Coordinated Universal Time (UTC). UTC is UTC+0 and MST is UTC-7. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 4:00 PM and 5:00 PM in UTC, which is 9:00 AM to 10:00 AM in MST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: UTC to MST
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
UTC and MST are fixed offsets, so the difference between them never changes.
UTC is the global time standard. It has no daylight saving and never shifts.
MST is UTC-7. Most of the Mountain region switches to MDT (UTC-6) in summer, but Arizona stays on MST year round.
Frequently Asked Questions
How many hours behind is MST compared to UTC?
MST is currently 7 hours behind UTC. UTC and MST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in UTC in MST?
9:00 AM in UTC is 2:00 AM in MST.
What is the best time for a call between UTC and MST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 4:00 PM and 5:00 PM in UTC, which is 9:00 AM to 10:00 AM in MST.