Mountain Daylight Time (North America)

0

6

0

4

2

3

Friday, 15

August 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	0 8 0 4
London	7	1 3 0 4
New York	2	0 8 0 4
Tokyo	15	2 1 0 4

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Countries in Mountain Daylight Time (North America)