Mo. Rev. Stat. § 1.040
Current with changes from the 2023 Legislative Session
The time within which an act is to be done shall be computed by excluding the first day and including the last. If the last day is Sunday it shall be excluded.
§ 1.040, RSMo
RSMo 1939 § 655, A. 1949 S.B. 1001, A.L. 1957 p. 587