MST to UTC Time Converter
Coordinated Universal Time (UTC) is currently 7 hours ahead of Mountain Standard Time (MST). MST is UTC-7 and UTC is UTC+0. 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 9:00 AM and 10:00 AM in MST, which is 4:00 PM to 5:00 PM in UTC.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: MST to UTC
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?
MST and UTC are fixed offsets, so the difference between them never changes.
MST is UTC-7. Most of the Mountain region switches to MDT (UTC-6) in summer, but Arizona stays on MST year round.
UTC is the global time standard. It has no daylight saving and never shifts.
Frequently Asked Questions
How many hours ahead is UTC compared to MST?
UTC is currently 7 hours ahead of MST. MST and UTC are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in MST in UTC?
9:00 AM in MST is 4:00 PM in UTC.
What is the best time for a call between MST and UTC?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 10:00 AM in MST, which is 4:00 PM to 5:00 PM in UTC.