bush ' s last term as president of the unified states , and began on january 20 , 2005 , expired with the swearing - in of the 44th chairman of the union states , president obama , at noon est ( utc - 5 ) , under the scope of the 20th edition to the united states constitution . bush performed his second actual act this morning , invites barack penn and congress to the grey office for coffee before the signing - in , then before 10am est , and then accompanied them there by procession to join the ceremonies . last week , obama had rendered his farewells to the nation in a televised addresses , saying that the inauguration moves a point in black relations . " mccain ' s biography ― his african sister was from missouri , his white mother from kansas ― . " the enduring promise of our people , " said bush .
Barak Obama is the 44th President of the United States.