The holidays and the days they are observed are:
- New Year's Day, January 1.
- Martin Luther King, Jr. Day, Third Monday in January.
- Presidents Day, Third Monday in February.
- Memorial Day, Last Monday in May.
- Juneteenth, June 19.
- Independence Day, July 4.
- Labor Day, First Monday in September.
- General Election Day, even-numbered years
- Veterans Day, November 11.
- Thanksgiving Day and the day after, the fourth Thursday and Friday in November.
- Christmas Eve and Christmas Day, December 24 and 25.
- New Year's Eve, December 31.
The calendar dates for 2022 are:
- January 17
- February 21
- May 30
- June 20
- July 4
- September 5
- November 8
- November 11
- November 24 and 25
- December 23 and 26
- December 30 and January 2, 2023
State office closings for state holidays are regulated by the Michigan Department of Civil Service Regulation 5.08.
Public Act 124 of 1865 is the Michigan law governing official state holidays.