MST to EST Time Zone Converter
EST is currently 2 hours ahead of MST.
Convert a fixed abbreviation time
MST to EST — Full 24-Hour Conversion Table
The table below shows what time it is in Eastern Time for every hour of the day in Mountain Time, using the fixed UTC offsets named by these abbreviations. A city may use a different abbreviation during daylight saving time.
| Time in MST (UTC−07:00) | Time in EST (UTC−05:00) |
|---|---|
| 00:00 | 02:00 |
| 01:00 | 03:00 |
| 02:00 | 04:00 |
| 03:00 | 05:00 |
| 04:00 | 06:00 |
| 05:00 | 07:00 |
| 06:00 | 08:00 |
| 07:00 | 09:00 |
| 08:00 | 10:00 |
| 09:00 | 11:00overlap |
| 10:00 | 12:00overlap |
| 11:00 | 13:00overlap |
| 12:00 | 14:00overlap |
| 13:00 | 15:00overlap |
| 14:00 | 16:00overlap |
| 15:00 | 17:00 |
| 16:00 | 18:00 |
| 17:00 | 19:00 |
| 18:00 | 20:00 |
| 19:00 | 21:00 |
| 20:00 | 22:00 |
| 21:00 | 23:00 |
| 22:00 | 00:00 |
| 23:00 | 01:00 |
Green rows indicate hours where both zones fall within 09:00–17:00 business hours. Abbreviations use their fixed UTC offsets. For a city that observes daylight saving, use the date-aware meeting planner.
Best Meeting Times: MST and EST
The best meeting window is 09:00 AM–03:00 PM (Denver) / 11:00 AM–05:00 PM (New York), giving 6 hours of shared business hours.
Shared business-hours overlap: 6 hours. Use our Meeting Planner to find specific slots and share with your team.
Working Across MST and EST
Daylight Saving Time: MST and EST
Mountain Time follows US DST rules, moving from MST (UTC−7) to MDT (UTC−6) in March. Note: Arizona (except Navajo Nation) stays on MST year-round.
The US observes Daylight Saving Time. Clocks spring forward 1 hour on the second Sunday in March and fall back on the first Sunday in November. During EDT (UTC−4), the gap to IST narrows by 1 hour.