Mountain Standard Time (North America)

1

8

4

8

1

2

Tuesday, 9

December 2025

Mountain Standard Time (North America) (MST) is -7 hours behind Coordinated Universal Time, UTC-7, it is used in winter. In summer used Mountain Daylight Time (North America), UTC-6
Wikipedia: Mountain Standard Time (North America)

Time difference, hrs.

Columbus	2	2 0 4 8
London	7	0 1 4 8
New York	2	2 0 4 8
Tokyo	16	1 0 4 8

Compare other Time Zones

MST - CST, MST - EST, MST - PST

Countries in Mountain Standard Time (North America)