Does daylight saving time change the offset between Pacific Time (PST/PDT) and Mountain Time (MST/MDT)?

Yes. Whenever either region begins or ends daylight saving time (if it observes DST), the difference between clocks can shift. This converter uses real-time timezone data so the offset stays accurate.

Is the Pacific Time (PST/PDT) to Mountain Time (MST/MDT) converter free?

Yes. TeamTimezones is free to use with no signup required. Pick your zones, compare current times, and plan meetings across regions.

How accurate is the Pacific Time (PST/PDT) to Mountain Time (MST/MDT) conversion?

The tool uses modern browser timezone rules (IANA) and matches what you see above for “right now”. Always double-check mission-critical schedules around DST transition nights.

Pacific Time (PST/PDT) to Mountain Time (MST/MDT) Time Converter

Mountain Time (MST/MDT) is 1 hour ahead of Pacific Time (PST/PDT) right now.

At 00:00 (midnight) Pacific Time (PST/PDT) on 2026-05-22, it is 1:00 AM in Mountain Time (MST/MDT).

When it is 12:00 PM in Pacific Time (PST/PDT), it is 1:00 PM in Mountain Time (MST/MDT) on that same date.

The exact difference can change when either place starts or ends daylight saving time.

Pacific Time (PST/PDT)

12:33 AM

Friday, May 22

Mountain Time (MST/MDT)

1:33 AM

Friday, May 22

Quick reference (same moments)

Typical local hours in Pacific Time (PST/PDT) and matching clock time in Mountain Time (MST/MDT) for 2026-05-22.

Pacific Time (PST/PDT)	Mountain Time (MST/MDT)
9:00 AM	10:00 AM
12:00 PM	1:00 PM
3:00 PM	4:00 PM
6:00 PM	7:00 PM

Pacific Time (PST/PDT) to Mountain Time (MST/MDT) Time Converter

Current Time Comparison

Pacific Time (PST/PDT)

Mountain Time (MST/MDT)

Quick reference (same moments)