PST to MST Time Converter
Convert Pacific Time to Mountain Time instantly.
Scroll the timeline to check any hour of the day.
Pacific Time
PST
1:24
Mountain Time
MST
2:24
PST and MST are on daylight savings right now, shown as PDT and MDT.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the PST to MST time difference works
MST is 1 hour ahead of PST. Pacific Time (PST) is the time zone of the US West Coast. Mountain Time (MST) is the US Mountain time zone. For example, 9:00 AM PST is 10:00 AM MST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour
Daylight saving
Both observe
PST offset
UTC-8
MST offset
UTC-7
PST to MST conversion chart
| Pacific Time (PST) | Mountain Time (MST) |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 4:00 PM PST (10:00 AM to 5:00 PM MST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Pacific Time (PST)
Los AngelesSan FranciscoSeattleSan DiegoLas VegasPortland
Mountain Time (MST)
DenverSalt Lake CityAlbuquerqueBoiseColorado Springs
PST to MST questions
Is MST ahead of or behind PST?
MST is 1 hour ahead of PST. So 9:00 AM PST is 10:00 AM MST, and 5:00 PM PST is 6:00 PM MST.
What time is it in MST when it is 12:00 PM PST?
When it is 12:00 PM (noon) PST in Pacific Time, it is 1:00 PM MST in Mountain Time.
How many hours difference is there between PST and MST?
There is a 1 hour difference. Mountain Time (MST) runs 1 hour ahead of Pacific Time (PST).
Do PST and MST observe daylight saving time?
Both Pacific Time and Mountain Time observe daylight saving time on aligned dates, so the 1 hour difference between them holds all year.
What is the best time to schedule a meeting between PST and MST?
A standard 9-to-5 workday overlaps from 9:00 AM to 4:00 PM PST (10:00 AM to 5:00 PM MST). Scheduling inside that window keeps the call during business hours in both Pacific Time and Mountain Time.
Which cities use PST and MST?
Pacific Time (PST) covers cities such as Los Angeles, San Francisco, Seattle, San Diego, Las Vegas, Portland. Mountain Time (MST) covers cities such as Denver, Salt Lake City, Albuquerque, Boise, Colorado Springs.