(a) On and after January 1, 2006, the following days are declared to be legal public holidays and are to be observed as such:

New Year’s Day, January 1;

Martin Luther King, Jr. Day, the third Monday in January;

President’s Day, the third Monday in February;

Memorial Day, the last Monday in May;

Independence Day, July 4;

Labor Day, the first Monday in September;

Columbus Day, the second Monday in October;

Veterans’ Day, the eleventh day in November;

Thanksgiving Day, the fourth Thursday in November;

Christmas Day, December 25.

(b) Any reference in the laws of this state concerning observance of legal holidays shall on and after January 1, 2006, be considered as a reference to the day or days prescribed in subsection (a) for the observance of such legal holiday or holidays.