What is EST in MST?
Mountain Time is 2 hours behind
Eastern Time is on UTC−4:00 and Mountain Time is on UTC−6:00 right now. Both are on daylight saving, so their clocks read EDT and MDT. That gap holds all year, because both zones change their clocks together.
- Time in New York
- 9:34 pm
- Time in Denver
- 7:34 pm
- Difference
- −2 h
- Next clock change
- November 1, 2026
Convert a time
MDT — Mountain Time
7:00 pm
Tue
Daylight saving
Eastern Time
Clocks go back one hour at 2am local time, becoming EST.
Mountain Time
Clocks go back one hour at 2am local time, becoming MST.
EST to MST conversion table
Every hour of Tuesday, September 22, 2026, converted from Eastern Time to Mountain Time. 2 of the 24 hours fall on a different calendar day in Denver, which is marked.
- 12:00 am EDT
- 10:00 pm MDT−1 day
- 1:00 am EDT
- 11:00 pm MDT−1 day
- 2:00 am EDT
- 12:00 am MDT
- 3:00 am EDT
- 1:00 am MDT
- 4:00 am EDT
- 2:00 am MDT
- 5:00 am EDT
- 3:00 am MDT
- 6:00 am EDT
- 4:00 am MDT
- 7:00 am EDT
- 5:00 am MDT
- 8:00 am EDT
- 6:00 am MDT
- 9:00 am EDT
- 7:00 am MDT
- 10:00 am EDT
- 8:00 am MDT
- 11:00 am EDT
- 9:00 am MDT
- 12:00 pm EDT
- 10:00 am MDT
- 1:00 pm EDT
- 11:00 am MDT
- 2:00 pm EDT
- 12:00 pm MDT
- 3:00 pm EDT
- 1:00 pm MDT
- 4:00 pm EDT
- 2:00 pm MDT
- 5:00 pm EDT
- 3:00 pm MDT
- 6:00 pm EDT
- 4:00 pm MDT
- 7:00 pm EDT
- 5:00 pm MDT
- 8:00 pm EDT
- 6:00 pm MDT
- 9:00 pm EDT
- 7:00 pm MDT
- 10:00 pm EDT
- 8:00 pm MDT
- 11:00 pm EDT
- 9:00 pm MDT
Scheduling between the two
Working hours overlap from 11:00 am to 6:00 pm EDT, which is 9:00 am to 4:00 pm MDT. Anything inside that window falls in the normal working day at both ends.
Eastern Time (EDT) is used in Toronto, Atlanta, Miami, Detroit and most of the US east coast
Mountain Time (MDT) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.