<P> The inauguration of the President of the United States is a ceremony to mark the commencement of a new four - year term of the President of the United States . This ceremony takes place for each new presidential term, even if the president is continuing in office for a second term . Since 1937, it has taken place on January 20, which is 72 to 78 days after the November presidential election (on the first Tuesday after the first Monday in November). The term of a president commences at noon ("EST"--Eastern Standard Time) on that day, when the Chief Justice of the United States administers the oath of office to the president . However, when January 20 falls on a Sunday, the chief justice administers the oath to the president on that day privately and then again in a public ceremony the next day, on Monday, January 21 . The most recent presidential inauguration ceremony was the swearing in of Donald Trump to a four - year term of office on Friday, January 20, 2017 . </P> <P> Recitation of the presidential oath of office is the only component in this ceremony mandated by the United States Constitution (in Article II, Section One, Clause 8). However, over the years, various traditions have arisen that have expanded the inauguration from a simple oath - taking ceremony to a day - long event, including parades and multiple social gatherings . The ceremony itself is carried live via the major U.S. commercial television and cable news networks; various ones also stream it live on their websites . </P>

When is a new president sworn into office
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