If you need to mail a letter or package on Martin Luther King, Jr. Day, Monday, January 20, 2020, you will have to wait until Tuesday.
That’s because MLK Day is a federal holiday so United States Postal Service (USPS) post offices will be closed and mail will not be delivered on Monday, January 20, 2020.
Martin Luther King, Jr. Day became a federal holiday in 1986 after President Ronald Reagan signed the holiday into law in 1983.
By 1991, all states also made MLK Day a state holiday.
Martin Luther King, Jr. Day is observed on the third Monday in January to celebrate Martin Luther King, Jr.’s birthday which occurs on January 15.
In 2020, the third Monday in January falls on January 20.
Martin Luther King, Jr. Day is also known by other names such as Civil Rights Day, King Day, King Day of Service, and MLK Day.
To celebrate Martin Luther King, Jr. Day, the federal government, many states, and some private companies encourage Americans to engage in citizen action and volunteer service on the King Holiday.