Mountain Daylight Time (North America)

1

8

4

9

1

2

Saturday, 20

June 2026

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 0 4 9
London	7	0 1 4 9
New York	2	2 0 4 9
Tokyo	15	0 9 4 9

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Countries in Mountain Daylight Time (North America)