US TIME ZONE HUB
Mountain Time Zone
MSTMDTUTC−7 / UTC−6 (DST)Observes DST
The Mountain Time Zone stretches across the Rocky Mountain states of the western United States. It runs at UTC−7 during standard time (MST) and UTC−6 during Daylight Saving Time (MDT). Notably, Arizona (with the exception of the Navajo Nation) does not observe DST and stays at MST year-round. Major cities include Denver, Phoenix, Salt Lake City, Albuquerque, Tucson, Colorado Springs, and Boise.
71
Cities
10
States
05:06:09MDT
Wednesday, March 25, 2026
Standard Time
MST (UTC−7)
Daylight Saving
MDT (UTC−6)
Cities in Directory
71
States Covered
10
All Cities in Mountain Time Zone
71 cities · live clocks