PST to MST converter
When it's 9:00 am in Los Angeles, it's 10:00 am in Denver. Your 9-to-5 working days overlap for 7 hours, so there's room for a meeting most days.
Convert Pacific Standard Time (PST) to Mountain Standard Time (MST) for any date and time.
Mountain Time is 1 hour ahead of Pacific Time all year.
Right now the West Coast is on PDT (UTC−7) and Mountain Time is on MDT (UTC−6). Both switch back to standard time on 1 November 2026.
US clocks go back on 1 November 2026. From then, MST is still 1 hour ahead of PST.
9:00 am to 5:00 pm PST is 10:00 am to 6:00 pm MST.
- 8:00 am PST is 9:00 am MST
- 9:00 am PST is 10:00 am MST
- 10:00 am PST is 11:00 am MST
- 12:00 pm PST is 1:00 pm MST
- 3:00 pm PST is 4:00 pm MST
- 5:00 pm PST is 6:00 pm MST
Hours in Pacific Time, Fri, Oct 23
Pacific Time
US & Canada
Fri, Oct 23
PDT · UTC−7ReferenceOutside working hoursMountain Time
US & Canada; Arizona stays on MST
Fri, Oct 23
MDT · UTC−6+1h from Pacific TimeOutside working hours
Best time to meet: 9:00 AM–4:00 PM in Pacific Time on Fri, Oct 23, when everyone is inside working hours.
Book a meeting in this windowWorking hours: 9:00 AM–5:00 PM, Monday to FridayEveryone at work
PST to MST conversion table
Every hour of the day in PST, converted to MST. Shaded cells are working hours (9:00 am to 5:00 pm); green rows are working hours in both zones.
| PST | MST |
|---|---|
| 12:00 am PST | 1:00 am MST |
| 1:00 am PST | 2:00 am MST |
| 2:00 am PST | 3:00 am MST |
| 3:00 am PST | 4:00 am MST |
| 4:00 am PST | 5:00 am MST |
| 5:00 am PST | 6:00 am MST |
| 6:00 am PST | 7:00 am MST |
| 7:00 am PST | 8:00 am MST |
| 8:00 am PST | 9:00 am MST |
| 9:00 am PST | 10:00 am MST |
| 10:00 am PST | 11:00 am MST |
| 11:00 am PST | 12:00 pm MST |
| 12:00 pm PST | 1:00 pm MST |
| 1:00 pm PST | 2:00 pm MST |
| 2:00 pm PST | 3:00 pm MST |
| 3:00 pm PST | 4:00 pm MST |
| 4:00 pm PST | 5:00 pm MST |
| 5:00 pm PST | 6:00 pm MST |
| 6:00 pm PST | 7:00 pm MST |
| 7:00 pm PST | 8:00 pm MST |
| 8:00 pm PST | 9:00 pm MST |
| 9:00 pm PST | 10:00 pm MST |
| 10:00 pm PST | 11:00 pm MST |
| 11:00 pm PST | 12:00 am MST(next day) |
Best times to meet
Your working hours overlap for 7 hours, from 9:00 am PST (10:00 am MST) to 4:00 pm PST (5:00 pm MST). That's the best window for a meeting.
About these time zones
PST: Pacific Standard Time
Pacific Standard Time is UTC−8. PST is also used for Philippine Standard Time (UTC+8) and sometimes for Pakistan Standard Time (UTC+5). This page converts US Pacific Time.
California, Washington, Oregon and Nevada, plus British Columbia in Canada and Baja California in Mexico. PT is the short form people use for the whole zone.
Most places on Pacific Time are on PDT (UTC−7) right now, not PST. People still say "PST" all year, so the times on this page follow the clocks and show PDT until 1 November 2026.
MST: Mountain Standard Time
Mountain Standard Time is UTC−7. MST is also used for Malaysia Standard Time (UTC+8). This page converts US Mountain Time.
Colorado, Utah, New Mexico, Wyoming, Montana and southern Idaho, plus Alberta in Canada. Most of Arizona stays on MST all year (the Navajo Nation follows daylight saving time). MT is the short form for the whole zone.
Most places on Mountain Time are on MDT (UTC−6) right now, not MST. People still say "MST" all year, so the times on this page follow the clocks and show MDT until 1 November 2026.
How the difference changes
Both zones change their clocks on the same dates (next on 1 November 2026), so the difference stays 1 hour all year.