EST to MST
Convert Eastern Standard Time (EST) to Mountain Standard Time (MST), live. MST is normally 2 hours behind EST. Pick any time below, or open the full world clock map.
EST vs MST
EST (Eastern Standard Time) runs at UTC−5 and MST (Mountain Standard Time) at UTC−7. MST is normally 2 hours behind EST.
EST is the standard time (UTC−5); when daylight saving is in effect it becomes EDT (UTC−4). The live clock on this page always shows the current offset. MST is the standard time (UTC−7); when daylight saving is in effect it becomes MDT (UTC−6). The live clock on this page always shows the current offset.
Looking for the reverse conversion? See MST to EST. You can also browse every offset on the interactive time zone map or line up several zones at once with the meeting planner.