MST to EST converter
Mountain Time → Eastern Time
Loading current times…
Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.
Eastern Time (EST) is UTC−5 and observes daylight saving (EDT, UTC−4, roughly March–November). It covers New York, Toronto, Miami and Atlanta.
Eastern Time is typically 2 hours ahead of Mountain Time, though daylight saving can shift the difference by an hour at some times of year.
Best time to call Eastern Time from Mountain Time
Office hours overlap for about 6 hours a day: 9:00 AM–3:00 PM in Mountain Time is 11:00 AM–5:00 PM in Eastern Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.
MST to EST, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.