When it's 9:00 am in New York, it's 7:00 am in Denver. Your 9-to-5 working days overlap for 6 hours, so there's room for a meeting most days.
Convert Eastern Daylight Time (EDT) to Mountain Standard Time (MST) for any date and time.
Mountain Time is 2 hours behind Eastern Time all year.
Right now Eastern Time is on EST (UTC−5) and Mountain Time is on MST (UTC−7). Both switch to daylight saving time on 14 March 2027.
9:00 am to 5:00 pm EST is 7:00 am to 3:00 pm MST.
Eastern TimeReference
US & Canada
Tue, Nov 3
Mountain Time
US & Canada; Arizona stays on MST
Tue, Nov 3
Best time to meet 11:00 AM–5:00 PM in Eastern Time on Tue, Nov 3, when everyone is inside working hours.
Book a meeting in this windowWorking hours: 9:00 AM–5:00 PM, Monday to FridayEveryone at work
Every hour of the day in EST, converted to MST. Hatched cells are working hours (9:00 am to 5:00 pm); rows with the accent bar are working hours in both zones.
| EST | MST |
|---|---|
| 12:00 am EST | 10:00 pm MST(day before) |
| 1:00 am EST | 11:00 pm MST(day before) |
| 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 |
| 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 |
| 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 |
Your working hours overlap for 6 hours, from 11:00 am EST (9:00 am MST) to 5:00 pm EST (3:00 pm MST). That's the best window for a meeting.
Eastern Daylight Time is UTC−4.
New York, Florida, Georgia, the Carolinas, Ohio, Michigan and the rest of the East Coast, plus Ontario and Quebec, from March to November.
EDT isn't in use at the moment: Eastern Time is on EST (UTC−5) until 14 March 2027. The times on this page follow the clocks, so they show EST.
Mountain Standard Time is UTC−7. MST is also used for Malaysia Standard Time (UTC+8). This page converts US Mountain Time.
Colorado, Utah, New Mexico, Wyoming, Montana and southern Idaho, plus Alberta in Canada. Most of Arizona stays on MST all year (the Navajo Nation follows daylight saving time). MT is the short form for the whole zone.