This date coincides with the late president's official state funeral at the Washington National Cathedral in Washington, D.C.
The funeral services for Carter began on Saturday morning in his home state of Georgia. On Tuesday afternoon, Carter's remains arrived at the U.S. Capitol for a final service with members of Congress before the 39th president lies in state.
As part of the national day of mourning declaration, Biden has ordered flags to be flown at half-staff for 30 days following Carter's passing. The president also encouraged Americans to gather on January 9th "in their respective places of worship" to honor Carter's memory.
"I invite the people of the world who share our grief to join us in this solemn observance," Biden stated following Carter's death.
Here's what you need to know about whether national parks will be open or closed on January 9th.
Will National Parks be closed on January 9th? National parks are anticipated to remain open on Thursday, January 9th. However, administrative offices will be closed in observance of the national day of mourning.
"National parks and visitor services will generally be open and available on January 9, 2025, but administrative offices will be closed," the National Park Service (NPS) announced on their website.
The NPS recommends that visitors check individual park websites for the most up-to-date information before their visit.