UTC−07:00 ~ 105 degrees W – all year
Areas in a darker shade use daylight saving time. The base color shows the standard time.
||105 degrees W
|Western border (nautical)
||112.5 degrees W
|Eastern border (nautical)
||97.5 degrees W
|Date-time group (DTG)
UTC−07: Blue (January), Orange (July), Yellow (all year round), Light Blue - Sea areas
UTC−07:00 is seven hours earlier than Greenwich Mean Time, representing a time offset from UTC of -7 hours. It is observed as Mountain Standard Time in North America in the colder part of the year, and as Pacific Daylight Time during the other 8 months (see Daylight saving time). A few places use it year round.
As standard time (Northern Hemisphere winter) 
Mountain Standard Time 
As daylight saving time (Northern Hemisphere summer) 
Pacific Daylight Time 
- United States
As year-round time