In construing this section, every Saturday designated a half holiday shall, until twelve o'clock noon, be deemed a secular or business day; and the days and half days aforesaid, so designated as holidays and half holidays, shall be considered as public holidays and half holidays for all purposes whatsoever as regards the transaction of business, except that any day or days appointed as a bank holiday shall be regarded as secular or business days for all other purposes than those mentioned in this act.
44 P.S. § 14