MST to MDT Time Converter

Mountain Standard Time → Mountain Daylight Time

MST

UTC-7

Mountain Standard Time

offset
+1h
MDT is 1h ahead

MDT

UTC-6

Mountain Daylight Time

MST observes DST — offset shifts ±1h during transitions

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

Best Meeting Times — MST & MDT

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

MSTMDTRatingDetail 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 MST and MDT, 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 — MST to MDT

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