EST to MST converter
Eastern Time to Mountain Time: live time, conversion table and daylight saving dates.
Mountain Time is 2 hours behind Eastern Time right now. 9:00 AM EST = 7:00 AM MST.
Today, hour by hour
| Eastern Time | Mountain Time |
|---|
Green rows are inside 9 AM–5 PM in both places.
EST to MST conversion table
| EST | MST |
|---|---|
| 12:00 AM | 10:00 PM (−1 day) |
| 1:00 AM | 11:00 PM (−1 day) |
| 2:00 AM | 12:00 AM |
| 3:00 AM | 1:00 AM |
| 4:00 AM | 2:00 AM |
| 5:00 AM | 3:00 AM |
| 6:00 AM | 4:00 AM |
| 7:00 AM | 5:00 AM |
| 8:00 AM | 6:00 AM |
| 9:00 AM | 7:00 AM |
| 10:00 AM | 8:00 AM |
| 11:00 AM | 9:00 AM |
| 12:00 PM | 10:00 AM |
| 1:00 PM | 11:00 AM |
| 2:00 PM | 12:00 PM |
| 3:00 PM | 1:00 PM |
| 4:00 PM | 2:00 PM |
| 5:00 PM | 3:00 PM |
| 6:00 PM | 4:00 PM |
| 7:00 PM | 5:00 PM |
| 8:00 PM | 6:00 PM |
| 9:00 PM | 7:00 PM |
| 10:00 PM | 8:00 PM |
| 11:00 PM | 9:00 PM |
EST or EDT? People search “EST”, “CST” or “PST” all year, but those names only apply in winter. From March to November US clocks are on daylight time (EDT, CDT, MDT, PDT), one hour later. This page uses the real local time in each US zone, so the answers are right whichever season you read it in. More in our EST vs EDT guide.
When the time difference changes
| Dates | Difference |
|---|---|
| Oct 9, 2026 – Dec 31, 2027 | Mountain Time is 2 hours behind Eastern Time |
Eastern Time uses daylight saving time. Next clock changes: Nov 1, 2026 (to UTC-5), Mar 14, 2027 (to UTC-4). Mountain Time uses daylight saving time. Next clock changes: Nov 1, 2026 (to UTC-7), Mar 14, 2027 (to UTC-6).
Best time to call or meet
- All year: shared 9-to-5 hours are 11:00 AM–5:00 PM in Eastern Time (9:00 AM–3:00 PM in Mountain Time).
Planning with more than two places? Use the meeting planner.
Frequently asked questions
What is 9 AM EST in MST?
7:00 AM MST.
What is the time difference between EST and MST?
Mountain Time is 2 hours behind Eastern Time in January, all year.
What is 5 PM EST in MST?
3:00 PM MST.