EST → MST Converter
US domestic business — East Coast finance and media work with Mountain West energy, tech, and outdoor industry companies.
EST → MST
2:40 PM
Eastern Daylight Time (EDT)
Thursday, June 11, 2026
UTC-4 (DST active)
12:40 PM
Mountain Daylight Time (MDT)
Thursday, June 11, 2026
UTC-6 (DST active)
Time Zone Converter
EST·New York
2:40 PM
Thursday, June 11, 2026
MST·Denver
12:40 PM
Thursday, June 11, 2026
Compare Times
| EST | MST |
|---|
Morning
| EST | MST |
|---|---|
| 12:00 AM EST | 10:00 PM MST |
| 1:00 AM EST | 11:00 PM MST |
| 2:00 AM EST | 12:00 AM MST |
| 3:00 AM EST | 1:00 AM MST |
| 4:00 AM EST | 2:00 AM MST |
| 5:00 AM EST | 3:00 AM MST |
| 6:00 AM EST | 4:00 AM MST |
| 7:00 AM EST | 5:00 AM MST |
| 8:00 AM EST | 6:00 AM MST |
| 9:00 AM EST | 7:00 AM MST |
| 10:00 AM EST | 8:00 AM MST |
| 11:00 AM EST | 9:00 AM MST |
Afternoon
| EST | MST |
|---|---|
| 12:00 PM EST | 10:00 AM MST |
| 1:00 PM EST | 11:00 AM MST |
| 2:00 PM EST | 12:00 PM MST |
| 3:00 PM EST | 1:00 PM MST |
| 4:00 PM EST | 2:00 PM MST |
Evening
| EST | MST |
|---|---|
| 5:00 PM EST | 3:00 PM MST |
| 6:00 PM EST | 4:00 PM MST |
| 7:00 PM EST | 5:00 PM MST |
| 8:00 PM EST | 6:00 PM MST |
| 9:00 PM EST | 7:00 PM MST |
| 10:00 PM EST | 8:00 PM MST |
| 11:00 PM EST | 9:00 PM MST |
Frequently Asked Questions: EST to MST
What is the time difference between Eastern Time and Mountain Time?
MST is 2 hours behind EST (standard time).
What time is midnight in EST in MST?
Midnight (12:00 AM) in Eastern Time translates to 10:00 PM MST in Mountain Time.
When do business hours overlap between EST and MST?
The business hours overlap window is 11:00–17:00 EST (09:00–15:00 MST). There is a strong overlap with plenty of shared working hours.
Common Time Conversions
EST · New York →
CST · Chicago →
MST · Denver →
PST · Los Angeles →
AKST · Anchorage →
HST · Honolulu →
UTC · Universal →
GMT · London →
IST · New Delhi →
CET · Paris →
How Time Zone Conversion Works
Time zone conversion works by comparing the UTC offset of one location to another. Every city or region is measured relative to Coordinated Universal Time (UTC), which acts as the global reference point for civil time.
MST is 2 hours behind EST (standard time).
Daylight Saving Time: Both EST and MST observe Daylight Saving Time on the same schedule. The 2-hour difference is constant all year — there are no weeks where the gap shifts.
Best time to call Denver from New York
Planning a remote meeting or international call? The optimal business hours overlap between New York and Denver is strong, with significant shared business hours available.
Try Meeting Planner for multi-city group scheduling →EST
11:00–17:00
Eastern Time
MST
09:00–15:00
Mountain Time
Recommended time: 14:00 EST / 12:00 MST
DST schedule for 2026
Current-year daylight saving start and end dates for the selected zones.
EST · Eastern Time
Standard offset −05:00
- Starts
- Mar 8, 2026 · 02:00 → 03:00
- second_sunday_of_march
- Ends
- Nov 1, 2026 · 02:00 → 01:00
- first_sunday_of_november
- Daylight time
- EDT · −04:00
MST · Mountain Time
Standard offset −07:00
- Starts
- Mar 8, 2026 · 02:00 → 03:00
- second_sunday_of_march
- Ends
- Nov 1, 2026 · 02:00 → 01:00
- first_sunday_of_november
- Daylight time
- MDT · −06:00
Most of Arizona stays on MST year-round (does not observe DST). The Navajo Nation within Arizona does observe DST.
Principal Cities
EST — Eastern Time
- New YorkUnited States
- TorontoCanada
- PhiladelphiaUnited States
- Washington D.C.United States
MST — Mountain Time
- PhoenixUnited States
- CalgaryCanada
- EdmontonCanada
- DenverUnited States
Flight Information
Route
JFK ↔ DEN
Avg. flight time
4h
Direct flights
Available
~4h direct flight.