PST to MST converter

Pacific Time (PST) is UTC−8 and observes daylight saving (PDT, UTC−7, roughly March–November). It covers Los Angeles, San Francisco, Seattle and Vancouver.

Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.

Mountain Time is typically 1 hours ahead of Pacific Time, though daylight saving can shift the difference by an hour at some times of year.

Best time to call Mountain Time from Pacific Time

Office hours overlap for about 7 hours a day: 9:00 AM–4:00 PM in Pacific Time is 10:00 AM–5:00 PM in Mountain Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.