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 17 South Dakota Highway 17 South Dakota Highway 17 (SD 17) is a state highway in the southeastern part of the U.S. state of South Dakota. It connects Lennox with the western edges of Sioux Falls. SD 17 formerly continued south to what is now SD 46 near Centerville. SD 17 begins at an intersection with SD 44 just south of Lennox, in the west-central part of Lincoln County. It travels to the north, on Pine Street, and almost immediately enters the city. It intersects the eastern terminus of Fourth Avenue, which is signed as a "city truck route". North of