Today's Inauguration Timeline

Today, President Obama will become just the 17th president to deliver a second inaugural address and a crowd of up to 800,000 is expected to watch him take the oath of office—though the real inauguration happened yesterday. A guide to today's events, as per Reuters and the AP (all times EST):

• 8:45am: The Obamas and Bidens attend a service at St. John's Episcopal Church.
• 9am: Former presidents, members of Congress, governors, and other dignitaries begin to arrive at the Capitol.
• 9:30am: Musical performance from the fifth-grade chorus of Staten Island, New York's Public School 22.
• 10am: The US Marine Band performs.
• 11:35am: Myrlie Evers-Williams, widow of slain civil rights leader Medgar Evers, gives the invocation, followed by a performance from the Brooklyn Tabernacle Choir.

• 11:46am: Supreme Court Justice Sonia Sotomayor again administers the oath of office to Joe Biden, followed by a performance from singer James Taylor.
• 11:55am: Chief Justice John Roberts again administers the oath of office to President Obama using two Bibles, one from President Lincoln and the other from the Rev. Martin Luther King Jr.
• 11:56am: The US Marine Band performs "Hail to the Chief," followed by a 21-gun salute.
• 12pm: President Obama delivers the inaugural address, followed by a performance from singer Kelly Clarkson.
• 12:26pm: Richard Blanco reads a poem
• 12:30pm: The benediction is delivered by the Rev. Luis Leon of St. John's Church, followed by Beyonce singing the national anthem.
• 2:32pm: After the inaugural luncheon, Obama reviews the troops and begins the parade down Pennsylvania Avenue to the White House.
• 6pm: The Commander in Chief's Inaugural Ball at the Washington Convention Center.
• 6:30pm: The Inaugural Ball at the Washington Convention Center.