EST to MST Converter – Convert Eastern Time to Mountain Time

Free EST to MST Time Zone Converter - Convert EST to MST Instantly

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Select your time and date, then see the conversion instantly
When it's --:-- in ---, it's:
--:----- (---)
--- is --- hrs behind/ahead of ---
---

Quick Reference: MST is 2 hours behind EST (times remain proportional during daylight saving).

Common EST to MST Conversions:
00:00 EST = 22:00 MST (prev day) | 06:00 EST = 04:00 MST | 09:00 EST = 07:00 MST | 12:00 EST = 10:00 MST | 15:00 EST = 13:00 MST | 18:00 EST = 16:00 MST

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CURRENT LOCAL TIME
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Tuesday, July 8, 2025
12:00 PM
Your Local Time

Common Questions About EST to MST Conversion

What is the time difference between EST and MST?

MST is 2 hours behind EST (winter), 2 hours behind (EDT summer).

00:00 EST 22:00 MST -1
09:00 EST 07:00 MST
12:00 EST 10:00 MST
20:00 EST 18:00 MST

Does the time difference change?

Yes, due to Daylight Saving Time transitions.

Winter: 2 hours behind
Summer: 2 hours behind

Always use our converter during March and November for accurate DST transitions.

What is the best time for meetings between EST and MST?

Optimal window: 11:00-17:00 EST = 09:00-15:00 MST

14:00 EST
= 12:00 MST
16:00 EST
= 14:00 MST

Works for US East Coast business hours and US Mountain business hours.

EST to MST Quick Conversion Chart

00:00 EST 22:00 -1 MST
09:00 EST 07:00 MST
12:00 EST 10:00 MST
14:00 EST 12:00 MST
20:00 EST 18:00 MST
22:00 EST 20:00 MST

Frequently Asked Questions

To convert EST to MST, use our free time zone converter above. Simply select your time and date to see the instant conversion. Our tool automatically accounts for Daylight Saving Time changes in both time zones.

The time difference between EST and MST varies depending on whether Daylight Saving Time is in effect. Use our converter above for the most accurate, real-time time difference.

The best meeting time between US East Coast (EST) and US Mountain (MST) depends on business hours in both locations. Use our advanced meeting planner below to find overlapping work hours that suit both time zones.

US East Coast observes Daylight Saving Time, switching between EST and EDT. This affects the time difference with MST during DST transitions.

Major cities in the EST timezone include New York and other cities in US East Coast. These cities switch between EST and EDT for Daylight Saving Time.

Major cities in the MST timezone include Denver and other cities in US Mountain. These cities switch between MST and MDT for Daylight Saving Time.

For calls between US East Coast (EST) and US Mountain (MST), use our converter to find mutually convenient times. Always specify both local times in meeting invites to avoid confusion, and account for Daylight Saving Time changes.

Need more help? Check our complete FAQ section.

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