Mountain Time Zone is generically called Mountain Time (MT). Specifically, it is Mountain Standard Time (MST) when observing standard time, and Mountain Daylight Time (MDT) when observing daylight saving time. The term refers to how the Rocky Mountains, which range from northwestern Canada to the US state of New Mexico, are located almost entirely in the time zone. In Mexico, this time zone is known as the Zona Pacífico (Pacific Zone). In the US and Canada, the Mountain Time Zone is to the east of the Pacific Time Zone and to the west of the Central Time Zone. In some areas, starting in
Chevrolet Standard Six Chevrolet Standard Six The Chevrolet Standard Six (Series DC) was launched in 1933, initially as the Chevrolet Mercury, by Chevrolet as a lower priced alternative to the 1932 Chevrolet Series BA Confederate that became the Eagle in 1933 and Master from 1934. It was advertised as the cheapest six-cylinder enclosed car on the market. The Standard was offered in three body styles all on a 107-inch wheelbase: coach, coupe and coupe with rumble seat. All bodies were by Fisher and featured 'no-draft ventilation'. All models were powered by a six-cylinder valve-in-head engine producing at 3,000 rpm and of torque giving