Mountain Daylight Time (North America)

1

3

5

7

2

6

Monday, 14

July 2025

Mountain Daylight Time (North America) (MDT) is -6 hours behind Coordinated Universal Time, UTC-6, it is used in summer. In winter used Mountain Standard Time (North America), UTC-7

Time difference, hrs.

Columbus	2	1 5 5 7
London	7	2 0 5 7
New York	2	1 5 5 7
Tokyo	15	0 4 5 7

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Countries in Mountain Daylight Time (North America)