No, he isn’t president until swears the oath. He isn’t automatically president at noon.
Its is very clear that he must take the oath first.
Article. II.
Section. 1.
Before he enter on the Execution of his Office, he shall take the following Oath or Affirmation:—”I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect and defend the Constitution of the United States.”
tHen wHat about the days of rulins Obamna handed down b4 he taken the oathright?