Mountain Daylight Time (North America)

1

4

5

1

2

2

Friday, 10

October 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 6 5 1
London	7	2 1 5 1
New York	2	1 6 5 1
Tokyo	15	0 5 5 1

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Countries in Mountain Daylight Time (North America)