EST to MST Eastern Time → Mountain Time
Mountain Time is 2 hours behind Eastern Time.
Best overlap: 11:00–17:00 ET = 09:00–15:00 MT · 6 hours inside work hours (9–5) for both.
Hour by hour
All year · MT is 2 hours behind ET
| ET | MT |
|---|---|
| 00:00 | 22:00 −1 |
| 01:00 | 23:00 −1 |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Work Early or late Night · Tap a time to move the planner.
Daylight saving time
Clocks in most of the US and Canada spring forward 1 hour on the second Sunday in March and fall back on the first Sunday in November, at 2:00 AM local time. Most of Arizona stays on MST all year (no daylight saving time), so in summer Phoenix shows the same time as Pacific Time.
Questions
What is the time difference between EST and MST?
Mountain Time is 2 hours behind Eastern Time all year. Both switch to daylight saving time on the same dates, so the gap never changes.
What time is 9 AM EST in MST?
9:00 AM EST is 7:00 AM MST.
When do the clocks change?
Clocks in most of the US and Canada spring forward 1 hour on the second Sunday in March and fall back on the first Sunday in November, at 2:00 AM local time. Most of Arizona stays on MST all year (no daylight saving time), so in summer Phoenix shows the same time as Pacific Time.
What is the best time for a meeting between EST and MST?
9:00 AM–3:00 PM MT (11:00 AM–5:00 PM ET) is inside normal 9-to-5 work hours for both: 6 hours of overlap.