Christmas or Christmas Day is an annual holiday celebrated on December 25 that
commemorates the birth of Jesus of Nazareth. Christmas is central to the Christmas and holiday season, and in Christianity marks the beginning of the larger season of Christmastide, which lasts twelve days. Popular modern customsof the holiday include gift-giving, Christmas carols, an exchange of greeting cards, church celebrations, a special meal,and the display of various decorations; including Christmas trees, lights, and garlands, mistletoe, nativity scenes, and holly.