Inside Trump's Inauguration Day: How, when and what to watch

Inside Trump's Inauguration Day: How, when and what to watch toggle caption Morry Gash/AP President-elect Donald Trump will take his oath of office inside the U.S. Capitol Rotunda at 12 p.m. EST on Monday. Sponsor Message Crews — who spent four months building the inaugural and presidential parade platforms outside — have outfitted the Rotunda and Capitol One Arena to host Trump's inauguration events. Who's going to the inauguration With the inauguration ceremony taking place in the U.S. Capitol Rotunda — instead of the West Front — space is limited and the guest list is in flux. Prayer, Parade and Inaugural balls While Trump's inauguration is constitutionally mandated to occur at 12 p.m. EST on Monday, the entire day is full of inaugural events, traditions and ceremonies.