Barack Obama will be inaugurated on January 21, 2013. Traditionally the U.S. presidential election happens every four years on Jan. 20. This year however, since Jan. 20 is a Sunday, he will be sworn in the next day on Jan. 21 which is extremely rare in U.S. history, reports The Associated Press.

Obama's inauguration on Jan. 21 will be only the seventh time that the date, Jan.20 has fallen on  Sunday, since the tradition started.

The AP, Reported that like Obama, President Ronald Reagan was one such president whose inauguration in 1985 was changed from Sunday to Monday.

President Obama's swearing in on Jan. 21 will have a theme centered on "Faith in America's Future," announced the Committee of Inaugural Ceremonies, reported The Huffington Post.

Senator Chuck Schumer of New York who his chairman of the committee said in a release, "Our nation has faced countless challenges throughout its history, and each time we have come together as Americans and moved forward with renewed strength. During the 57th Presidential Inauguration, Americans from across the country will gather beneath the Capitol Dome to celebrate our history, take measure of how far we have come, and look towards our future with hope and determination."

The release also stated that Jan. 21, 2013 is Martin Luther King Junior Day." It will be the second time that this federal holiday has coincided with a Presidential Inauguration. The first was President William J. Clinton's second Inauguration in 1997," stated the release.

Obama's inauguration in 2009 was centered around the theme of "A New Birth of Freedom," which also was in tribute to Lincoln.