The White House ordered public flags to be displayed at half-staff for a period of 30 days from Carter's day of death, who died Dec. 29. Flags are flown at half-mast on ships and at naval stations. On shore, flags are flown at half-staff, meaning the flagpole is attached to a building or stuck in the ground.

Flags will remain at half-mast and half-staff most of the month for Jimmy Carter's death. Jan. 9 will be a national day of mourning for his funeral.

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.