For the purposes of this chapter, the following definition applies unless the context clearly indicates or requires a different meaning.
Public Holiday. All legal holidays now existing, or such as may be subsequently specifically proclaimed by the governor of the State, and Sundays.
(Sec. 15-2.18, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 15, Art. 2, § 15-2.19)