What and when is inaugurationday?

Answer 1

Inauguration Day is the day on which the President of the United States is officially sworn into office. It occurs on January 20th following a presidential election, with the ceremony marking the beginning of the new president's four-year term. If January 20 falls on a Sunday, the inauguration is typically held the following Monday. The event includes the presidential oath of office and is often accompanied by various celebrations and festivities.