MST to PDT Time Converter
Mountain Standard Time (MST) and Pacific Daylight Time (PDT) are currently on the same time. MST is UTC-7 and PDT 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
MST and PDT keep the same clock time, so anything inside normal working hours suits both sides.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: MST to PDT
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 PDT 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.
PDT is UTC-7, the summer counterpart of PST, used from March to November.
Frequently Asked Questions
How many hours ahead is PDT compared to MST?
PDT and MST are currently on the same time. MST and PDT are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in MST in PDT?
9:00 AM in MST is 9:00 AM in PDT.
What is the best time for a call between MST and PDT?
MST and PDT keep the same clock time, so anything inside normal working hours suits both sides.