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MeetingTimeZone

EST to MST Converter and Time Difference

MST is 2 hours behind EST.

Best meeting time

Everyone is in working hours from 11:00 AM to 5:00 PM (New York time).

Working hours are 9 AM to 5 PM in each city. Times are for Friday, 6 November 2026.

EST 6 AM to 10 PM in MST

Each row is a time in Eastern Time (EST/EDT) and the matching time in Mountain Time (MST/MDT).

Hour-by-hour conversion from EST to MST
EST MST Day Fit
6:00 AM 4:00 AM Same day Outside working hours
7:00 AM 5:00 AM Same day Outside working hours
8:00 AM 6:00 AM Same day Outside working hours
9:00 AM 7:00 AM Same day Early or late for one city
10:00 AM 8:00 AM Same day Early or late for one city
11:00 AM 9:00 AM Same day Both in working hours
12:00 PM 10:00 AM Same day Both in working hours
1:00 PM 11:00 AM Same day Both in working hours
2:00 PM 12:00 PM Same day Both in working hours
3:00 PM 1:00 PM Same day Both in working hours
4:00 PM 2:00 PM Same day Both in working hours
5:00 PM 3:00 PM Same day Early or late for one city
6:00 PM 4:00 PM Same day Early or late for one city
7:00 PM 5:00 PM Same day Early or late for one city
8:00 PM 6:00 PM Same day Early or late for one city
9:00 PM 7:00 PM Same day Outside working hours
10:00 PM 8:00 PM Same day Outside working hours

Each row is a time in Eastern Time (EST/EDT) and the matching time in Mountain Time (MST/MDT).

MST 6 AM to 10 PM in EST

The same comparison in the other direction: each row is a time in Mountain Time (MST/MDT) and the matching time in Eastern Time (EST/EDT).

Hour-by-hour conversion from MST to EST
MST EST Day Fit
6:00 AM 8:00 AM Same day Outside working hours
7:00 AM 9:00 AM Same day Early or late for one city
8:00 AM 10:00 AM Same day Early or late for one city
9:00 AM 11:00 AM Same day Both in working hours
10:00 AM 12:00 PM Same day Both in working hours
11:00 AM 1:00 PM Same day Both in working hours
12:00 PM 2:00 PM Same day Both in working hours
1:00 PM 3:00 PM Same day Both in working hours
2:00 PM 4:00 PM Same day Both in working hours
3:00 PM 5:00 PM Same day Early or late for one city
4:00 PM 6:00 PM Same day Early or late for one city
5:00 PM 7:00 PM Same day Early or late for one city
6:00 PM 8:00 PM Same day Early or late for one city
7:00 PM 9:00 PM Same day Outside working hours
8:00 PM 10:00 PM Same day Outside working hours
9:00 PM 11:00 PM Same day Outside working hours
10:00 PM 12:00 AM +1 Outside working hours

Each row is a time in Mountain Time (MST/MDT) and the matching time in Eastern Time (EST/EDT).

Daylight saving and this time difference

EST and MST both use daylight saving, but not always on the same dates. For a few weeks each spring and autumn, the gap is one hour different from the usual figure.

UTC offsets right now: EST is UTCUTC-5, and MST is UTCUTC-7 on Friday, 6 November 2026. Check the date of your meeting in the planner, since the gap can change for a few weeks each year.

To compare more than two cities, open the meeting planner. To see the gap between any two cities, try the time difference calculator.

Related conversions

Frequently asked questions

What is the time difference between EST and MST?

MST is 2 hours behind EST. The comparison uses Friday, 6 November 2026, so the result is correct for that date.

When is the best time for a meeting between EST and MST?

Everyone is in working hours from 11:00 AM to 5:00 PM (New York time).

Does the time difference between EST and MST change with daylight saving?

EST and MST both use daylight saving, but not always on the same dates. For a few weeks each spring and autumn, the gap is one hour different from the usual figure.