From
EST / EDT
Time Converter
EST to MST Time Converter
Convert Eastern Time to Mountain Time with a live clock and clean permalinks.
To
MST / MDT
When it is 7:30 AM in Eastern Time, it is 5:30 AM in Mountain Time.
EST to MST at a glance
Mountain Time is 2 hours behind Eastern Time. If someone gives you a time in Eastern Time, move the clock by 2 hours to read it in Mountain Time. A 9:00 AM start in New York becomes 7:00 AM in Denver.
What Eastern Time covers
Eastern Time is the main clock for New York, Washington, Toronto, and many large business hubs on the east side of North America. It is widely used for finance, media, and US-facing business operations.
What Mountain Time covers
Mountain Time is used across the US and Canada in cities such as Denver and Calgary. It is useful when you work with logistics, field teams, or regional teams across the western half of North America.
Quick answers
What is the time difference between EST and MST?
Mountain Time is 2 hours behind Eastern Time.
What happens to a 3:00 PM meeting in EST?
It lands at 1:00 PM in MST.
Does daylight saving time matter for EST to MST?
Eastern Time and Mountain Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.