Mountain Daylight Time (North America)

1

9

2

2

0

4

Monday, 15

September 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	2 1 2 2
London	7	0 2 2 2
New York	2	2 1 2 2
Tokyo	15	1 0 2 2

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Countries in Mountain Daylight Time (North America)