Tidszon
- Currently Mountain Standard Time (MST), UTC -7
- Sommartid (Mountain Daylight Time (MDT), UTC -6) starts 10 mars 2019
The IANA time zone identifiers for Mountain Time are America/Boise, America/Cambridge_Bay, America/Denver, America/Edmonton, America/Inuvik, America/Ojinaga och America/Yellowknife.