Christmas Day is celebrated on the 25th of December, marking the birth of Jesus Christ. It's a holiday celebrated by Christians worldwide, as well as many non-Christians. Christmas is a time of giving, spending time with family and loved ones, and enjoying the festive atmosphere. People typically exchange gifts and take part in Christmas traditions, such as decorating the tree, singing carols, and enjoying festive meals. It's a time of joy and celebration, and it's a day to come together and appreciate the beauty of the season.