Second inauguration of Barack Obama 1937, the 4-year term of the President and Vice President have ended and begun at noon on January 20, as prescribed by the Twentieth Amendment to the United States Constitution. Because January 20, 2013, fell on a Sunday, both Obama and Biden were officially sworn in privately, and then again the following day in a public ceremony. This was the seventh time since the start of James Monroe's second term in office, in 1821, that the oath of office was officially administered in a Sunday private ceremony. Chief Justice John Roberts administered the oath of office to the President on
Oath of office of the Vice President of the United States the vice president (who serves as the president of the Senate). Later that year, legislation passed that allowed courts to administer all oaths and affirmations. Since 1789, the oath has been changed several times by Congress. The present oath repeated by the vice president, senators, representatives, and other government officers has been in use since 1884. When the vice presidency was established in 1789, and for the century that followed, the Vice President was sworn in on the same date as the president, March 4, but at a separate location, typically in the United States Senate, where he holds the