Time in South Dakota 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 * are from
Capital punishment in South Dakota death (there is no retrial). The governor has the power of clemency with respect to death sentences. Death row is located in Sioux Falls. Lethal injection is the only method of execution provided by statutes. First-degree murder is a Class A Felony in South Dakota, punishable by death or life imprisonment. It is the only Class A Felony in the state. It is only punishable by death if it involves any of the following aggravating factors: South Dakota executed four men between 1877 and its admission to the union in 1889, and 10 men between that time and the abolition