This subtitle does not apply and may not be enforced on: New Year’s Day, January 1; Independence Day, July 4; Labor Day, the 1^st Monday in September; Thanksgiving Day, the fourth Thursday in November; and Christmas Day, December 25. City Code, 1966, art. 31, §201(2nd sen.(1st cl.).) 1976/83, art. 31, §145(2nd sen.(1st cl.) Ord. 70-905 Ord. 02-437 Ord. 06-198