EDT to MDT Time Converter

Mountain Daylight Time (MDT) is currently 2 hours behind Eastern Daylight Time (EDT). EDT is UTC-4 and MDT is UTC-6. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.

Eastern Daylight Time (EDT)
--:--:--
(UTC-4)
Mountain Daylight Time (MDT)
--:--:--
(UTC-6)

Best Time for a Call

Both sides are inside 9:00 AM to 5:00 PM office hours between 11:00 AM and 5:00 PM in EDT, which is 9:00 AM to 3:00 PM in MDT.

Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.

Hour by Hour: EDT to MDT

EDTMDT
12:00 AM10:00 PM-1 day
1:00 AM11:00 PM-1 day
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AMoffice hours
12:00 PM10:00 AMoffice hours
1:00 PM11:00 AMoffice hours
2:00 PM12:00 PMoffice hours
3:00 PM1:00 PMoffice hours
4:00 PM2:00 PMoffice hours
5:00 PM3:00 PMoffice hours
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.

Does the Difference Change During the Year?

EDT and MDT are fixed offsets, so the difference between them never changes.

EDT is UTC-4, the summer counterpart of EST. Eastern North America uses it from March to November.

MDT is UTC-6, the summer counterpart of MST, used from March to November.

Frequently Asked Questions

How many hours behind is MDT compared to EDT?

MDT is currently 2 hours behind EDT. EDT and MDT are fixed offsets, so the difference between them never changes.

What time is 9:00 AM in EDT in MDT?

9:00 AM in EDT is 7:00 AM in MDT.

What is the best time for a call between EDT and MDT?

Both sides are inside 9:00 AM to 5:00 PM office hours between 11:00 AM and 5:00 PM in EDT, which is 9:00 AM to 3:00 PM in MDT.