MST to EDT Time Converter

Mountain Standard Time → Eastern Daylight Time

MST

UTC-7

Mountain Standard Time

offset
+3h
EDT is 3h ahead

EDT

UTC-4

Eastern Daylight Time

MST observes DST — offset shifts ±1h during transitions

Mountain Standard Time (MST) is 3 hours ahead Eastern Daylight Time (EDT). When it is noon in MST, it is 2 PM in EDT. This offset may change during Daylight Saving Time transitions.

Best Meeting Times — MST & EDT

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

MSTEDTRatingDetail page
8 AM
10 AM
Best
9 AM
11 AM
Best
10 AM
12 PM
Best
11 AM
1 PM
Best
12 PM
2 PM
Best

Tip: When scheduling between MST and EDT, 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 EDT

Mountain Standard Time (MST) is 3 hours ahead of Eastern Daylight Time (EDT). MST is UTC-7 and EDT is UTC-4. This offset may shift by ±1 hour during Daylight Saving Time transitions.