Convert Pacific Standard Time to Mountain Daylight Time (PST to MDT)

Understanding PST and MDT Time Zones

Pacific Standard Time (PST)

Pacific Standard Time is observed in undefined and uses the offset UTC-8. Major cities in this time zone include Los Angeles, San Francisco, Seattle, Portland. This time zone serves a significant global region with important economic and cultural hubs.

Mountain Daylight Time (MDT)

Mountain Daylight Time operates at UTC-6, covering undefined. Key cities include Denver, Salt Lake City, Albuquerque. The 2-hour forward offset from PST means that when professionals in Los Angeles start their workday at 9:00 AM, it is already 11:00 AM in Denver.

PST is also commonly referred to as Pacific Time, PT, West Coast time, LA time, California time. MDT is also known as Mountain Time, Mountain Daylight, MT, Denver time. So if you are searching for Pacific Time to Mountain Time, this is the same conversion as PST to MDT.

Complete PST to MDT Conversion Table

The table below shows every two-hour increment converted from Pacific Standard Time to Mountain Daylight Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.

Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.

Scheduling Between PST and MDT

International conference calls between Los Angeles, San Francisco, Seattle, Portland and Denver, Salt Lake City, Albuquerque work best when scheduled during the overlap of both regions' business hours. Rotating meeting times monthly ensures fairness across time zones.

The small 2-hour gap between PST and MDT means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in PST align well with late morning schedules in MDT.

Travel Between Los Angeles and Denver

Booking hotels and transportation in Denver? Double-check whether listed check-in times are in MDT (local) or your departure time zone. A common mistake is arriving 2 hours early or late due to unconverted times.

Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 2-hour shift between PST and MDT, plan for a quick adjustment of 1–2 days.

Daylight Saving Time Considerations

When daylight saving time is in effect, the abbreviation changes (e.g., EST becomes EDT, CET becomes CEST). Our converter handles this automatically, but being aware of which version is active helps avoid confusion.

For the PST to MDT conversion specifically: PST (UTC-8) and MDT (UTC-6) both observe DST. When both zones transition on different dates, the offset temporarily shifts by one hour for a few weeks. Always verify during March–April and October–November.

Related Time Zone Conversions

References & Resources

• TimeAndDate.com — World Time Zones
• NIST — Official US Time Standard
• IANA Time Zone Database
• Wikipedia — Time Zone Abbreviations
• WorldTimeServer — Current Times Worldwide

Frequently Asked Questions