Christmas decorations typically go up in late November or early December, depending on the country and individual's personal preference. It's a festive tradition to decorate homes, businesses, and public spaces with colorful lights, trees, garlands, and other festive items to create a joyful atmosphere for the holiday season. In some places, people even host Christmas parties or go caroling to spread the holiday spirit. Decorating for Christmas is a fun way to get in the holiday spirit and make the season brighter for everyone!