EST to MST Time Converter - Live World Clock
Convert time between Eastern Standard Time (EST) and Mountain Standard Time (MST). See current time with live clocks.
United States (EST)
United States (MST)
Current Time Difference
EST is 2 hours ahead of MST
(2 hours during Daylight Saving Time)
What is EST (Eastern Standard Time)?
Eastern Standard Time (EST) is used in eastern North America and the Caribbean, UTC-5:00.
Countries and Regions Using EST
Primary Country:
- United States
- States: New York, Florida, Pennsylvania, Georgia, Michigan
Also Used By:
- Canada - Ontario, Quebec
Key Facts about EST:
- ✓ Most populous US timezone
- ✓ Wall Street financial center
- ✓ DST observed March-November
- ✓ Major Cities: New York City, Miami, Atlanta, Boston, Philadelphia, Washington D.C.
- ✓ UTC Offset: -5:00 (-4:00 during EDT)
What is MST (Mountain Standard Time)?
Mountain Standard Time (MST) used in western North America, UTC-7:00.
Countries and Regions Using MST
Primary Country:
- United States
- States: Colorado, Arizona, Utah, New Mexico
Also Used By:
- Canada - Alberta
- Mexico
Key Facts about MST:
- ✓ Arizona doesn't observe DST
- ✓ Major mountain resort areas
- ✓ Growing tech hub in Denver
- ✓ Major Cities: Denver, Phoenix, Albuquerque, Salt Lake City
- ✓ UTC Offset: -7:00 (-6:00 during MDT)
EST to MST Time Difference
Standard Time Difference:
EST is 2 hours ahead
During Daylight Saving Time:
EST is 2 hours ahead
Common Use Cases:
- • Business meetings between United States and United States
- • International collaboration across timezones
- • Scheduling calls and conferences
Frequently Asked Questions
Which countries are in EST time zone?
United States is the primary country using EST (-5:00). Other countries include: Canada.
Which countries are in MST time zone?
United States is the primary country using MST (-7:00). Other countries include: Canada, Mexico.
How many hours is EST ahead of MST?
EST is 2 hours ahead of MST. During Daylight Saving Time, the difference is 2 hours.
Does United States observe Daylight Saving Time?
Yes, United States observes Daylight Saving Time. During DST, EST changes to EDT (Eastern Daylight Time) with UTC offset of -4:00.