Time Difference Between Mountain Time and Pacific Time
As of 31 August 2026, Pacific Time is 1 hour behind Mountain Time. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
Tap either box to search any country or city.
Mountain Time, United States
16:34
Mon, Aug 31, 2026
UTC-6 · MDT · America/Denver
Pacific Time, United States
-1h15:34
Mon, Aug 31, 2026
UTC-7 · PDT · America/Los_Angeles
Pacific Time is 1 hour behind Mountain Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Mountain Time | Monday, August 31, 2026 | MDTAmerica/Denver | UTC-6 | Active now |
| Pacific Time | Monday, August 31, 2026 | PDTAmerica/Los_Angeles | UTC-7 | Active now |
Mountain Time: Covers Denver and most of the Rocky Mountain states. Switches between MST (UTC-7) and MDT (UTC-6) with daylight saving — unlike Arizona, which stays on MST year-round.
Pacific Time: Covers the US West Coast, from Los Angeles to Seattle to San Francisco. Switches between PST (UTC-8) and PDT (UTC-7) with daylight saving.
Hour by hour: Mountain Time to Pacific Time
Every hour of today in Mountain Time and what it is in Pacific Time. Highlighted rows fall inside Pacific Time working hours (09:00–18:00).
| Mountain Time | Pacific Time |
|---|---|
| 00:00 | 23:00prev day |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| Mountain Time | Pacific Time |
|---|---|
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Best time to call or meet
Overlapping working hours
10:00–18:00 in Mountain Time (09:00–17:00 in Pacific Time)
Both places are inside 09:00–18:00 for 8 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
09:00–21:00 in Mountain Time (08:00–20:00 in Pacific Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Mountain Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-6 to UTC-7. After that date, Pacific Time is on the same time as Mountain Time — instead of 1 hour behind, as it is today.
Pacific Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-7 to UTC-8. The gap between Mountain Time and Pacific Time stays at 1 hour because both places change at the same time.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Mountain Time and Pacific Time: common questions
What is the time difference between Mountain Time and Pacific Time?
Pacific Time is 1 hour behind Mountain Time, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Mountain Time, what time is it in Pacific Time?
It is 08:00 AM in Pacific Time, United States. Use the time field in the calculator above to check any other hour.
Is Pacific Time ahead of or behind Mountain Time?
Pacific Time is behind Mountain Time by 1 hour at the moment. In practical terms, the working day in Pacific Time starts and ends later in Mountain Time terms.
Do Mountain Time and Pacific Time observe daylight saving time?
Both Mountain Time and Pacific Time change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, Pacific Time ranges from 1 hour behind to 1 hour behind relative to Mountain Time.
What is the best time to call Pacific Time from Mountain Time?
Working hours overlap between 10:00 and 18:00 Mountain Time time, which is 09:00 to 17:00 in Pacific Time. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Mountain Time, United States (UTC-6) and Pacific Time, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.