Time in South Dakota the zone.tab. Time in South Dakota South Dakota lies in both the Mountain Time Zone and the Central Time Zone. Mountain Time roughly contains the western half of the state, but not all of it. Rapid City is the largest city in the Mountain Time portion of the state. Central Time contains the eastern half of the state and roughly more of the state than the Mountain Time Zone and includes the state capital Pierre and the largest city, Sioux Falls. The 2 zones for South Dakota as given by zone.tab of the IANA time zone database. Columns marked *
South Dakota Highway 22 by 1936, and included a north–south segment from Hazel to US 212. This north–south segment was decommissioned in the 1990s. South Dakota Highway 22 Spur (SD 22 Spur) was a spur route of SD 22 that extended from the mainline, at a point south of Gary, and traveled into that city. It was established between 1965 and 1971 and was redesignated as SD 101 in 1976. South Dakota Highway 22 South Dakota Highway 22 (SD 22) is a state highway in the east-central part of the U.S. state of South Dakota. It connects Hazel, Castlewood, and Clear Lake, within the