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DateAlmanac

What is EST in MST?

Mountain Time is 2 hours behind

Eastern Time is on UTC−5:00 and Mountain Time is on UTC−7:00 right now. That gap holds all year, because both zones change their clocks on the same dates.

Convert a time

MST — Mountain Time

1:00 am

MST, Sat

Time in New York
3:28:54 AM
Time in Denver
1:28:54 AM
Difference
−2 h
Next clock change
March 14, 2027

Daylight saving

Eastern Time

Sunday, March 14, 2027

Clocks go forward one hour — 2:00 am becomes 3:00 am local time, and the zone is on EDT after that.

Mountain Time

Sunday, March 14, 2027

Clocks go forward one hour — 2:00 am becomes 3:00 am local time, and the zone is on MDT after that.

EST to MST conversion table

Every hour of Saturday, November 7, 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 EST
10:00 pm MST−1 day
1:00 am EST
11:00 pm MST−1 day
2:00 am EST
12:00 am MST
3:00 am EST
1:00 am MST
4:00 am EST
2:00 am MST
5:00 am EST
3:00 am MST
6:00 am EST
4:00 am MST
7:00 am EST
5:00 am MST
8:00 am EST
6:00 am MST
9:00 am EST
7:00 am MST
10:00 am EST
8:00 am MST
11:00 am EST
9:00 am MST
12:00 pm EST
10:00 am MST
1:00 pm EST
11:00 am MST
2:00 pm EST
12:00 pm MST
3:00 pm EST
1:00 pm MST
4:00 pm EST
2:00 pm MST
5:00 pm EST
3:00 pm MST
6:00 pm EST
4:00 pm MST
7:00 pm EST
5:00 pm MST
8:00 pm EST
6:00 pm MST
9:00 pm EST
7:00 pm MST
10:00 pm EST
8:00 pm MST
11:00 pm EST
9:00 pm MST

Scheduling between the two

Working hours overlap from 11:00 am to 6:00 pm EST, which is 9:00 am to 4:00 pm MST. Anything inside that window falls in the normal working day at both ends.

Eastern Time (EST) is used in Toronto, Atlanta, Miami, Detroit and most of the US east coast

Mountain Time (MST) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.

Other conversions