10 AM MST to EDT

Mountain Standard Time → Eastern Daylight Time

Business hours overlap

MST

10 AM

UTC-6

=

EDT

12 PM

UTC-4

10 AM MST (Mountain Standard Time) equals 12 PM EDT (Eastern Daylight Time). This is a common time for meetings across time zones.

Live — MST

21:06:38

Monday, May 11

UTC-6

DST active

Live — EDT

23:06:38

Monday, May 11

UTC-4

DST active

Daylight Saving Time (DST)

  • MST (Mountain Standard Time) observes DST — currently active (clocks are +1h ahead).
  • DST transitions may shift this offset by ±1 hour twice per year.

MST

Full name
Mountain Standard Time
UTC offset
UTC-6
DST
Active
Region
North America

EDT

Full name
Eastern Daylight Time
UTC offset
UTC-4
DST
Not observed
Region
North America