National Ugly Christmas Sweater Day is celebrated annually on the third Friday in December, usually falling between December 18 and December 24. The exact date may vary slightly depending on the year, but it typically lands towards the end of December. The purpose of the holiday is to embrace the festive spirit of ugly Christmas sweaters and encourage people to wear them with pride, creating a fun and lighthearted atmosphere. Whether you have a truly hideous sweater or simply want to join in the spirit of the occasion, National Ugly Christmas Sweater Day is an opportunity to spread some joy and spread the cheer!