Highlighted rows fall within 09:00–18:00 in both places: 9 shared working hours.
How many hours is MST ahead of PDT?
As abbreviations, PDT is always same time of MST: MST is UTC−7 and PDT is UTC−7. To convert, subtract 0 hours.
Check which label you actually need: MST (Mountain Time is on MDT today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now PDT is 1 hour behind of MST.
Does the MST to PDT time difference change?
No. Pdt is 1 hour behind of mst all year, because both places change their clocks on the same dates.
Calling hours for MST and PDT
When PDT is 1 hour behind of MST: 7 shared office hours, 10:00 to 17:00 in MST (09:00 to 16:00 in PDT).
Frequently asked questions about MST and PDT time
How many hours ahead is PDT of MST?
PDT (UTC−7) is same time of MST (UTC−7).
Does the time difference between MST and PDT change during the year?
No, it stays 1 hour behind all year because both places change their clocks on the same dates.