S.D. Codified Laws § 26-1-1

Current with legislation signed by the governor on or before 3/6/2024
Section 26-1-1 - Age of minority-Calculation of age

Minors are natural male persons and natural female persons under eighteen years of age. The periods thus specified must be calculated from the first minute of the day on which persons are born, to the same minute of the corresponding day completing the period of minority.

SDCL 26-1-1

SDC 1939, § 43.0101; SL 1972, ch 154, § 1.