MST to EST Time Converter
Convert Mountain Time to Eastern Time instantly.
Scroll the timeline to check any hour of the day.
Mountain Time
MST
11:50
Eastern Time
EST
1:50
MST and EST are on daylight savings right now, shown as MDT and EDT.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the MST to EST time difference works
EST is 2 hours ahead of MST. Mountain Time (MST) is the US Mountain time zone. Eastern Time (EST) is the time zone of the US East Coast. For example, 9:00 AM MST is 11:00 AM EST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
2 hours
Daylight saving
Both observe
MST offset
UTC-7
EST offset
UTC-5
MST to EST conversion chart
| Mountain Time (MST) | Eastern Time (EST) |
|---|---|
| 12:00 AM | 2:00 AM |
| 1:00 AM | 3:00 AM |
| 2:00 AM | 4:00 AM |
| 3:00 AM | 5:00 AM |
| 4:00 AM | 6:00 AM |
| 5:00 AM | 7:00 AM |
| 6:00 AM | 8:00 AM |
| 7:00 AM | 9:00 AM |
| 8:00 AM | 10:00 AM |
| 9:00 AM | 11:00 AM |
| 10:00 AM | 12:00 PM |
| 11:00 AM | 1:00 PM |
| 12:00 PM | 2:00 PM |
| 1:00 PM | 3:00 PM |
| 2:00 PM | 4:00 PM |
| 3:00 PM | 5:00 PM |
| 4:00 PM | 6:00 PM |
| 5:00 PM | 7:00 PM |
| 6:00 PM | 8:00 PM |
| 7:00 PM | 9:00 PM |
| 8:00 PM | 10:00 PM |
| 9:00 PM | 11:00 PM |
| 10:00 PM | 12:00 AM +1 day |
| 11:00 PM | 1:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 3:00 PM MST (11:00 AM to 5:00 PM EST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Mountain Time (MST)
DenverSalt Lake CityAlbuquerqueBoiseColorado Springs
Eastern Time (EST)
New YorkWashington D.C.AtlantaMiamiBostonPhiladelphia
MST to EST questions
Is EST ahead of or behind MST?
EST is 2 hours ahead of MST. So 9:00 AM MST is 11:00 AM EST, and 5:00 PM MST is 7:00 PM EST.
What time is EST when it is 12:00 PM MST?
When it is 12:00 PM (noon) MST in Mountain Time, it is 2:00 PM EST in Eastern Time.
How many hours difference is there between MST and EST?
There is a 2 hours difference. Eastern Time (EST) runs 2 hours ahead of Mountain Time (MST).
Do MST and EST observe daylight saving time?
Both Mountain Time and Eastern Time observe daylight saving time on aligned dates, so the 2 hours difference between them holds all year.
What is the best time to schedule a meeting between MST and EST?
A standard 9-to-5 workday overlaps from 9:00 AM to 3:00 PM MST (11:00 AM to 5:00 PM EST). Scheduling inside that window keeps the call during business hours in both Mountain Time and Eastern Time.
Which cities use MST and EST?
Mountain Time (MST) covers cities such as Denver, Salt Lake City, Albuquerque, Boise, Colorado Springs. Eastern Time (EST) covers cities such as New York, Washington D.C., Atlanta, Miami, Boston, Philadelphia.