Mountain Daylight Time (North America)

1

6

4

6

5

1

Friday, 12

December 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.

Ashburn	2	1 7 4 6
London	7	2 2 4 6
New York	2	1 7 4 6
Tokyo	16	0 7 4 6

Compare other Time Zones

MDT - CDT, MDT - EDT, MDT - PDT

Currently there are no countries in TimeZone

Countries and cities in this Time Zone now have Mountain Standard Time (North America)