MDT to MST Time Converter

Mountain Daylight Time → Mountain Standard Time

MDT

UTC-6

Mountain Daylight Time

offset
-1h
MST is 1h behind

MST

UTC-7

Mountain Standard Time

MST observes DST — offset shifts ±1h during transitions

Mountain Daylight Time (MDT) is 1 hour behind Mountain Standard Time (MST). When it is noon in MDT, it is 12 PM in MST. This offset may change during Daylight Saving Time transitions.

Best Meeting Times — MDT & MST

Recommended windows where both MDT and MST participants are within working hours (8 AM–6 PM).

MDTMSTRatingDetail page
8 AM
8 AM
Best
9 AM
9 AM
Best
10 AM
10 AM
Best
11 AM
11 AM
Best
12 PM
12 PM
Best

Tip: When scheduling between MDT and MST, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue. Note that one of these time zones observes Daylight Saving Time — the offset may shift ±1 hour around transition dates.

Frequently Asked Questions — MDT to MST

Mountain Daylight Time (MDT) is 1 hour behind Mountain Standard Time (MST). MDT is UTC-6 and MST is UTC-7. This offset may shift by ±1 hour during Daylight Saving Time transitions.