Presidents Day is a federal holiday celebrated each year in mid-February to honor past U.S. presidents. Locally, it's part of ...

Prior to the Gregorian and even Julian calendars, Roman King Numa Pompilius (715-673 BC) set about creating a calendar with equal-length months, the University of Chicago said. "When Numa ...

"I try to keep it running." Bowan is one of the many Orthodox Christians who celebrate the holiday according to the Julian Calendar. A part of his life he's always embraced. "This is what I was ...

However, some people in the United States are welcoming the new year on Tuesday, Jan. 14, which is equivalent to Jan. 1 on the Julian calendar. Many Orthodox Christians in the United States ...

Pope Francis reaffirms Catholic Church's willingness to accept a common date for Easter in the West and East, highlighting ...