I dont know how long after the election, but he has to be sworn in by noon on the day of inauguration.
The answer is on:Why does the vice president of the US get sworn in before the president does?
The President is customarily sworn into office on the steps of the US Capitol building.
George Washington was 57 when sworn in as US President on April 30, 1789.
Lyndon Johnson was sworn in office on Air Force One, but I do not know of any presidents sworn in out of the U.S.
The vice president is promptly sworn in as President if the President dies or resigns. This unfortunate event has already happened nine times in US history.
the month when a president is sworn into the office is january!
Barack Obama was sworn in as the 44th US President.
Philadelphia
Joseph Robinette Biden Jr. was sworn in as vice president on 2009 January 20.
US President Lyndon B. Johnson was sworn in as President on board Air Force One after the death of John F. Kennedy.
During a normal inauguration, the President is sworn in on the steps of the Capitol in Washington, DC.
The President derives his power from the US Constitution and the people who are sworn to defend it.