Stock markets and the Postal Service will be closed on January 9 to mourn the death of Jimmy Carter. Here’s what else to know about the National Day of Mourning.

The US will honor the late former President Jimmy Carter, who died at age 100 on December 29. President Joe Biden declared January 9 as a day of mourning in an executive order – the same day as his official state funeral at the Washington National Cathedral.

Jan. 9 has been declared a national day of mourning, which is not officially a federal holiday - but it is similar.