What is PST in MST?
Mountain Time is 1 hour ahead
Pacific Time is on UTC−7:00 and Mountain Time is on UTC−6:00 right now. Both are on daylight saving, so their clocks read PDT and MDT. That gap holds all year, because both zones change their clocks together.
- Time in Los Angeles
- 6:34 pm
- Time in Denver
- 7:34 pm
- Difference
- +1 h
- Next clock change
- November 1, 2026
Convert a time
MDT — Mountain Time
7:00 pm
Tue
Daylight saving
Pacific Time
Clocks go back one hour at 2am local time, becoming PST.
Mountain Time
Clocks go back one hour at 2am local time, becoming MST.
PST to MST conversion table
Every hour of Tuesday, September 22, 2026, converted from Pacific Time to Mountain Time. 1 of the 24 hours fall on a different calendar day in Denver, which is marked.
- 12:00 am PDT
- 1:00 am MDT
- 1:00 am PDT
- 2:00 am MDT
- 2:00 am PDT
- 3:00 am MDT
- 3:00 am PDT
- 4:00 am MDT
- 4:00 am PDT
- 5:00 am MDT
- 5:00 am PDT
- 6:00 am MDT
- 6:00 am PDT
- 7:00 am MDT
- 7:00 am PDT
- 8:00 am MDT
- 8:00 am PDT
- 9:00 am MDT
- 9:00 am PDT
- 10:00 am MDT
- 10:00 am PDT
- 11:00 am MDT
- 11:00 am PDT
- 12:00 pm MDT
- 12:00 pm PDT
- 1:00 pm MDT
- 1:00 pm PDT
- 2:00 pm MDT
- 2:00 pm PDT
- 3:00 pm MDT
- 3:00 pm PDT
- 4:00 pm MDT
- 4:00 pm PDT
- 5:00 pm MDT
- 5:00 pm PDT
- 6:00 pm MDT
- 6:00 pm PDT
- 7:00 pm MDT
- 7:00 pm PDT
- 8:00 pm MDT
- 8:00 pm PDT
- 9:00 pm MDT
- 9:00 pm PDT
- 10:00 pm MDT
- 10:00 pm PDT
- 11:00 pm MDT
- 11:00 pm PDT
- 12:00 am MDT+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 5:00 pm PDT, which is 10:00 am to 6:00 pm MDT. Anything inside that window falls in the normal working day at both ends.
Pacific Time (PDT) is used in San Francisco, Seattle, Las Vegas and Vancouver
Mountain Time (MDT) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.