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Time zone

Mountain Daylight Time

Current time

15:4716

Sunday, May 31, 2026

MDT UTC-6

Abbreviation: MDT
Offset: UTC-6
Sibling: Mountain Standard Time
Status: Currently observed by 3 IANA regions

Regions and cities observing Mountain Daylight Time

Time-zone boundaries © OpenStreetMap contributors, via timezone-boundary-builder (ODbL).

Canada

Regions

Alberta, British Columbia, Northwest Territories

Cities

Calgary, Edmonton, Lethbridge, Red Deer
United States

Regions

Arizona, Colorado, Idaho, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Texas, Utah, Wyoming

Cities

Denver, El Paso, Albuquerque, Colorado Springs, Aurora, Boise +15 more