What time does the inauguration of Barack Obama begin?

It has not happened yet, January 20th 2009 is the official U.S. president inauguration day and it has been January 20th since Franklin D. Roosevelt's second inauguration in 1938, which changed the date from March 4. That's a Tuesday. Starts at 12:00 PM with Vice Pres. inauguration first, then Pres. before noon The inaugural ceremony takes place on January 20, 2009.