UnichronoTime zone converter
MST to PST
Pacific Time (PST) is 1 hour behind Mountain Time (MST) all year (apart from a few hours on the nights the clocks change).
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- 1Type a place, a zone or a time
- 2Drag the hours: every clock moves together
- 3Share the link or add it to your calendar
MST to PST, hour by hour
Each hour of the day in Mountain Time, and the time in Pacific Time at that moment.
| MST / MDT | PST / PDT |
|---|---|
| 12:00 am | 11:00 pm (day before) |
| 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 |
| 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 |
| 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 |
Working hours overlap
When 9 am – 5 pm on both sides meet, in each side's own time.
| January | July | |
|---|---|---|
| Mountain Time | 10:00 am – 5:00 pm (7 hours) | 10:00 am – 5:00 pm (7 hours) |
| Pacific Time | 9:00 am – 4:00 pm (7 hours) | 9:00 am – 4:00 pm (7 hours) |
About these abbreviations
- MST: US Mountain Time (Denver), MDT in summer. Arizona stays on MST all year.
- PST: US Pacific Time (Los Angeles). In summer it is PDT; people often say PST all year, and this page follows the clock, not the label.
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