Private companies and citizens can also choose to display flags at half-staff. How long will flags be at half-staff? Flags ...

President Joe Biden ordered a national day of mourning in January and flags to be displayed at half-staff following President Jimmy Carter's death.

The president, a state governor or the mayor of the District of Columbia can order flags to fly at half-staff. This can be to honor a government official, military service member or first-responder.

For former President Jimmy Carter, this means flags will remain at half-staff until at least Jan. 28, covering both the presidential inauguration and the first week of Trump’s second term. U.S. flag ...