MST to PST Converter
PST is 1 hour behind MST. 9:00 AM MST = 8:00 AM PST.
PST is 1 hour behind MST. To convert MST to PST, subtract 1 hour from the MST time: 9:00 AM MST = 8:00 AM PST.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver.
Most of Arizona uses MST all year and does not switch to MDT. PST here means Pacific Standard Time, not Philippine Standard Time.
MST to PST time conversion table
MST to PST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | PST | Day |
|---|---|---|
| 12:00 AM MST | 11:00 PM PST | previous day |
| 1:00 AM MST | 12:00 AM PST | night |
| 2:00 AM MST | 1:00 AM PST | night |
| 3:00 AM MST | 2:00 AM PST | night |
| 4:00 AM MST | 3:00 AM PST | night |
| 5:00 AM MST | 4:00 AM PST | night |
| 6:00 AM MST | 5:00 AM PST | night |
| 7:00 AM MST | 6:00 AM PST | — |
| 8:00 AM MST | 7:00 AM PST | — |
| 9:00 AM MST | 8:00 AM PST | — |
| 10:00 AM MST | 9:00 AM PST | work hours |
| 11:00 AM MST | 10:00 AM PST | work hours |
| 12:00 PM MST | 11:00 AM PST | work hours |
| 1:00 PM MST | 12:00 PM PST | work hours |
| 2:00 PM MST | 1:00 PM PST | work hours |
| 3:00 PM MST | 2:00 PM PST | work hours |
| 4:00 PM MST | 3:00 PM PST | work hours |
| 5:00 PM MST | 4:00 PM PST | — |
| 6:00 PM MST | 5:00 PM PST | — |
| 7:00 PM MST | 6:00 PM PST | — |
| 8:00 PM MST | 7:00 PM PST | — |
| 9:00 PM MST | 8:00 PM PST | — |
| 10:00 PM MST | 9:00 PM PST | — |
| 11:00 PM MST | 10:00 PM PST | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert MST to PST
Subtract 1 hour from the MST time to get PST.
Example: 9:00 AM MST = 8:00 AM PST.
Across midnight: 12:00 AM MST = 11:00 PM PST (previous day). The date changes, so always check the day as well as the hour.
Time difference between MST and PST
The time difference between MST and PST is 1 hour all year – PST is behind MST.
MST and PST during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
Best time for a meeting between MST and PST
MST and PST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM MST lands between 9:00 AM and 4:00 PM PST, inside working hours for both.
MST to PST FAQ
What is the time difference between MST and PST?
PST is 1 hour behind MST all year. 9:00 AM MST = 8:00 AM PST.
What is 9 AM MST in PST?
9:00 AM MST is 8:00 AM PST.
What is 12 PM (noon) MST in PST?
12:00 PM MST is 11:00 AM PST.
Is PST ahead of or behind MST?
PST is 1 hour behind MST, so it is earlier in PST than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does PST change for daylight saving time?
Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
What is the best time for a meeting between MST and PST?
MST and PST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM MST lands between 9:00 AM and 4:00 PM PST, inside working hours for both.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Is PT the same as PST?
PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert PST to MST
Convert MST to other time zones
Convert other time zones to PST
MST to PST by hour
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.