The inauguration marks the official transfer of presidential power, with the executive branch changing hands from the Biden administration to the Trump administration. The 20th Amendment states that a president's four-year term ends at noon on Jan. 20, and the president-elect is sworn in shortly after.

From the lead-up to Trump taking office to his plans for Day One of his second White House term, here's everything you need to know about Inauguration Day 2025.

President-elect Donald Trump will once again become President Trump, the 47th president of the United States today. See the Inauguration Day schedule.