MST to EST — Time Zone Converter
Mountain Time (MST, UTC−7) covers the US Mountain states; Eastern Time (EST, UTC−5) covers the US East Coast. In standard time, EST is 2 hours ahead of MST. With only a small offset, working hours in the US Mountain states and the US East Coast overlap for most of the day — scheduling is easy. Use the live converter below — it applies today's IANA time zone data, including daylight saving time, and gives you a meeting schedule you can paste straight into email or Slack.
MST to EST, hour by hour (today)
Frequently asked questions
What is the time difference between MST and EST?+
Mountain Time (MST) is UTC−7 and Eastern Time (EST) is UTC−5, so in standard time EST is 2 hours ahead of MST. The gap shifts by an hour around daylight saving transitions, so always check a live converter near the change dates in spring and autumn.
Does MST or EST observe daylight saving time?+
Mountain Time observes daylight saving time (MST in winter, MDT in summer). Eastern Time observes daylight saving time (EST in winter, EDT in summer).
What is the best time for a meeting between MST and EST?+
With only a small offset, working hours in the US Mountain states and the US East Coast overlap for most of the day — scheduling is easy. The converter above highlights office hours in green for both zones, so you can slide to a time that works for everyone.
How do I share a MST to EST meeting time by email?+
Pick a time in the converter, log it to the Smart Clipboard, and copy it as bullets, a formatted table, or a one-line question — with both MST and EST times spelled out so nobody has to do the math.