"Holidays" are the first day of January, the third Monday in February, the last Monday in May, the fourth day of July, the first Monday in September, the eleventh day of November, the twenty-fifth day of December and Thanksgiving Day. If the first day of January, the fourth day of July or the twenty-fifth day of December fall upon a Sunday, the Monday following is a holiday. If the first day of January, the fourth day of July or the twenty-fifth day of December falls upon a Saturday, the Friday preceding is a holiday.
(`78 Code, § 10.04.060.) (Ord. 1506 § 1 (part), 1978.)