The listed holidays are legal holidays in Arizona.
Martin Luther King, Jr.'s Birthday (third Monday in January)
Lincoln/Washington President's Day (third Monday in February)
Memorial Day (last Monday in May)
Labor Day (first Monday in September)
Columbus Day (second Monday in October)
Sundays
New Year's Day (January 1)
Mother's Day (second Sunday in May)
Father's Day (third Sunday in June)
Independence Day (July 4)
American Family Day (first Sunday in August)
Constitution Day (September 17)
Thanksgiving Day (fourth Thursday in November)
Christmas Day (December 25)
When any legal holiday falls on a Saturday, the preceding Friday is a holiday and if it falls on a Sunday, the following Monday is a holiday.