Donald Trump's presidential inauguration is scheduled to begin at noon ET. According to the U.S. Constitution's 20th Amendment, each presidential inauguration should take place Jan. 20, unless that date falls on a Sunday. Then, the president takes the oath of office in private Jan. 20, and the public event is moved to Jan. 21.

In the lead up to the inauguration, Trump has selected much of his cabinet. Here's what to know about Inauguration Day 2025: The inauguration ceremony is on Monday, Jan. 20. The ceremony is on Jan. 20 every four years unless that date falls on a Sunday. In that case, Inauguration Day would be on Jan. 21.

With Trump's swearing-in just days away, speculation remains over who will grace the stage on the incoming president's behalf.