New York
Denver
Convert EST to MST
Eastern Standard Time to Mountain Standard Time — Denver is 2 hours behind New York
Quick Facts
Time Difference
-2 hours
EST Full Name
Eastern Standard Time
MST Full Name
Mountain Standard Time
EST to MST Conversion Table
Related Conversions
About EST and MST Time Zones
EST (Eastern Standard Time) is UTC-5 and covers cities like New York, Washington D.C., Miami. MST (Mountain Standard Time) is UTC-7 and covers cities like Denver, Phoenix, Salt Lake City.
When it's 12:00 PM (noon) in New York (EST), it's 10:00 AM in Denver (MST). The time difference between EST and MST is 2 hours — Denver is behind New York.
With only a 2-hour difference, New York and Denver share nearly a full business day overlap, making scheduling straightforward.
Daylight Saving Time
EST observes Daylight Saving Time and becomes EDT (Eastern Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-4.
MST observes Daylight Saving Time and becomes MDT (Mountain Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-6.
During DST transitions, the time difference between EST and MST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare New York and Denver with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between EST and MST?
Denver (MST) is 2 hours behind New York (EST). The offset is -2 hours.
Is MST ahead or behind EST?
MST is 2 hours behind EST. EST is UTC-4 and MST is UTC-6.
When it's 12:00 PM in New York, what time is it in Denver?
When it's 12:00 PM (noon) in New York (EST), it's 10:00 AM in Denver (MST).
When it's 5:00 PM in New York, what time is it in Denver?
When it's 5:00 PM in New York (EST), it's 3:00 PM in Denver (MST).
Does EST change for Daylight Saving Time?
Yes. EST (Eastern Standard Time, UTC-5) becomes EDT (Eastern Daylight Time, UTC-4) in summer, shifting clocks forward 1 hour.
Does MST change for Daylight Saving Time?
Yes. MST (Mountain Standard Time, UTC-7) becomes MDT (Mountain Daylight Time, UTC-6) in summer, shifting clocks forward 1 hour.