 Milton – A submission to the Government of Saskatchewan regarding Time Zones in Saskatchewan, 1966) a) concluded that Saskatchewan is in the Mountain Standard Time Zone, and b) suggested that the three prairie provinces (Alberta, Saskatchewan and Manitoba) covered too much area to share a single time zone.In 1966, based on the Milton Study, the Saskatchewan Government passed Chapter 85, to be known as the Time Act, 1966 (Statutes of Saskatchewan, 1966).The key points of this act were