Eastern Time is 2 hours ahead of Mountain Time all year.
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MST to EST time table
Set each side's working hours to see when both are at work.
Working hours count Monday to Friday only. Public holidays are not included.
Mountain Time to Eastern Time, hour by hour
Mountain Time
Eastern Time
12:00 AM MST
2:00 AM
1:00 AM MST
3:00 AM
2:00 AM MST
4:00 AM
3:00 AM MST
5:00 AM
4:00 AM MST
6:00 AM
5:00 AM MST
7:00 AM
6:00 AM MST
8:00 AM
7:00 AM MST
9:00 AM
8:00 AM MST
10:00 AM
9:00 AM MST
11:00 AM
10:00 AM MST
12:00 PM
11:00 AM MST
1:00 PM
12:00 PM MST
2:00 PM
1:00 PM MST
3:00 PM
2:00 PM MST
4:00 PM
3:00 PM MST
5:00 PM
4:00 PM MST
6:00 PM
5:00 PM MST
7:00 PM
6:00 PM MST
8:00 PM
7:00 PM MST
9:00 PM
8:00 PM MST
10:00 PM
9:00 PM MST
11:00 PM
10:00 PM MST
12:00 AM (next day)
11:00 PM MST
1:00 AM (next day)
Which MST and which EST?
Mountain Time is MST (UTC−7) in winter and MDT (UTC−6) in summer. Arizona stays on MST all year.
Eastern Time is EST (UTC−5) in winter and EDT (UTC−4) from March to November.
Times are worked out from your device clock and your browser's time zone database, which follows each country's clock-change rules.
Questions
What time is 3 PM MST in EST?
3:00 PM Mountain Time is 5:00 PM Eastern Time, all year.
Is MST the same as Mountain Time?
Not always. Mountain Time is MST (UTC−7) in winter and MDT (UTC−6) in summer. Arizona stays on MST all year. This page uses Mountain Time as Denver lives it, and says which one applies on the date you pick; choose "MST, fixed UTC−7" to use the fixed offset instead.
Is EST the same as Eastern Time?
Not always. Eastern Time is EST (UTC−5) in winter and EDT (UTC−4) from March to November. This page uses Eastern Time as New York lives it, and says which one applies on the date you pick; choose "EST, fixed UTC−5" to use the fixed offset instead.