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MST to PST Time Converter

Use this MST to PST time converter to compare US Mountain and US West Coast time instantly. PST is 1 hour behind MST, so 9:00 AM MST becomes 8:00 AM PST and 5:00 PM MST becomes 4:00 PM PST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

MST Mountain Standard Time
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PST Pacific Standard Time
...
Select a time to convert

MST to PST Quick Facts

Use this MST to PST converter to compare US Mountain and US West Coast time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 10:00 AM MST / 9:00 AM PST.

Time Difference
Pacific Standard Time is 1 hour behind Mountain Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 10:00 AM MST and 9:00 AM PST.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert MST to PST

Converting between Mountain Standard Time and Pacific Standard Time means accounting for a 1 hour gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your MST Time

Pick the date and time in Mountain Standard Time (UTC -7) that you want to convert. Hit "Now" to load the current MST time instantly, or use "+1h" to step forward and compare.

Read the PST Result

The equivalent Pacific Standard Time (UTC -8) time appears immediately. Since PST is 1 hour behind of MST, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the PST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our MST to PST Converter

Align MST–PST Meetings Instantly

When someone in United States suggests 10:00 AM MST, that's 9:00 AM PST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night MST times can land on a different date in PST because of the 1 hour offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the MST–PST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a MST-Timed Event

Product launches, sports matches, and webinars are often announced in MST. Convert the event time to PST so you know exactly when to tune in — with a 1 hour difference, a morning event in United States falls during work hours in United States.

MST to PST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Mountain Standard Time to Pacific Standard Time full day schedule

12:00 AM
MST
11:00 PM
PST
(previous day)
1:00 AM
MST
12:00 AM
PST
2:00 AM
MST
1:00 AM
PST
3:00 AM
MST
2:00 AM
PST
4:00 AM
MST
3:00 AM
PST
5:00 AM
MST
4:00 AM
PST
6:00 AM
MST
5:00 AM
PST
7:00 AM
MST
6:00 AM
PST
8:00 AM
MST
7:00 AM
PST
9:00 AM
MST
8:00 AM
PST
10:00 AM
MST
9:00 AM
PST
11:00 AM
MST
10:00 AM
PST
12:00 PM
MST
11:00 AM
PST
1:00 PM
MST
12:00 PM
PST
2:00 PM
MST
1:00 PM
PST
3:00 PM
MST
2:00 PM
PST
4:00 PM
MST
3:00 PM
PST
5:00 PM
MST
4:00 PM
PST
6:00 PM
MST
5:00 PM
PST
7:00 PM
MST
6:00 PM
PST
8:00 PM
MST
7:00 PM
PST
9:00 PM
MST
8:00 PM
PST
10:00 PM
MST
9:00 PM
PST
11:00 PM
MST
10:00 PM
PST
Reviewed by iFormat Time Tools Team Last updated

Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.

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MST to PST FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Mountain Standard Time and Pacific Standard Time.

What is the time difference between MST and PST?

PST is 1 hour behind MST. MST is UTC −7:00 and PST is UTC −8:00 relative to UTC. Yes, both observe daylight saving time. Because they're both on the same DST cadence (Northern Hemisphere spring-forward in March, fall-back in October/November), the MST↔PST gap stays roughly constant year-round.

When can MST and PST have business-hour overlap?

Aim for 10:00–17:00 MST, which is 09:00–16:00 PST. Both sides stay inside standard business hours.

Does MST or PST observe daylight saving time?

Yes, both observe daylight saving time. Because they're both on the same DST cadence (Northern Hemisphere spring-forward in March, fall-back in October/November), the MST↔PST gap stays roughly constant year-round.

How do I quickly convert MST to PST?

To convert MST to PST, add 1 hour subtract from the MST time. Example: if it's 10:00 AM MST, it's 09:00 PST that day. The live converter at the top of this page handles DST automatically.