MST to Seattle Time 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 Seattle Time, 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. Seattle Time (Seattle time) is used in Seattle, USA.
Most of Arizona uses MST all year and does not switch to MDT.
MST to Seattle Time time conversion table
MST to Seattle Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | Seattle Time |
|---|---|
| 12:00 AM | 11:00 PM−1 |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| MST | Seattle Time |
|---|---|
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| MST | Seattle Time |
|---|---|
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Conversion table from MST to Seattle Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Seattle Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert MST to Seattle Time
Subtract 1 hour from the MST time to get Seattle Time.
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 Seattle Time
The time difference between MST and Seattle Time is 1 hour all year – PST is behind MST.
MST and Seattle Time 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).
- Seattle Time 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 Seattle Time
MST and Seattle Time 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 Seattle Time FAQ
What is the time difference between MST and Seattle Time?
PST is 1 hour behind MST all year. 9:00 AM MST = 8:00 AM PST.
What is 9 AM MST in Seattle Time?
9:00 AM MST is 8:00 AM PST.
What is 12 PM (noon) MST in Seattle Time?
12:00 PM MST is 11:00 AM PST.
Is Seattle Time ahead of or behind MST?
PST is 1 hour behind MST, so it is earlier in Seattle Time 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 Seattle Time change for daylight saving time?
Yes. Seattle Time 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 Seattle Time?
MST and Seattle Time 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.
Related conversions
Convert Seattle Time to MST
Convert MST to other time zones
Convert other time zones to Seattle Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.