In Western Christianity, the Christmas season is synonymous with Christmastide, which runs from December 25 to January 5. By the late 20th century, the Jewish holiday of Hanukkah and the new African American cultural holiday of Kwanzaa began to be considered in the U.S.
See also: Merry Christmas, Mr. Lawrence, Merry, Merry Christmas, Merry Christmas (song), Mariah Carey, Merry Christmas Everyone, and A Merry Friggin' Christmas.