EST
UTC-5
Eastern Standard Time
MST
UTC-7
Mountain Standard Time
Both EST and MST observe DST — offset may shift ±1h during transitions
Eastern Standard Time (EST) is 2 hours behind Mountain Standard Time (MST). When it is noon in EST, it is 10 AM in MST. This offset may change during Daylight Saving Time transitions.
All 24 Hours — EST to MST
Click any row to see the full detail page. Current hour in EST is highlighted.
Best Meeting Times — EST & MST
Recommended windows where both EST and MST participants are within working hours (8 AM–6 PM).
Tip: When scheduling between EST 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 both time zones observe Daylight Saving Time — the offset may shift ±1 hour around transition dates.
Related Time Zone Conversions
Frequently Asked Questions — EST to MST
Eastern Standard Time (EST) is 2 hours behind Mountain Standard Time (MST). EST is UTC-5 and MST is UTC-7. This offset may shift by ±1 hour during Daylight Saving Time transitions.
Live Now
EST
UTC-4
12:33:52
Monday
MST
UTC-6
10:33:52
Monday
Right now, 12 PM EST = 10 AM MST
Business Hours Quick Jump
Reverse Conversion
MST to EST
Mountain Standard Time → Eastern Standard Time
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