President-elect Donald Trump is being sworn in on Monday as his inauguration ceremony is set to take rare form inside the U.S. Capitol.

Donald Trump will be sworn in Monday as the 47th U.S. president taking charge as Republicans claim unified control of Washington and set out to reshape the country’s institutions.

The announcement did not give a reason for Obama’s absence. It comes after she missed Jimmy Carter’s state funeral—where she would have been seated next to Trump. CNN reported at the time that Obama had a scheduling conflict and was “still in Hawaii on an extended holiday vacation” when the funeral took place.