The best time to put up the Christmas tree is typically after Thanksgiving. However, it's never too early to start preparing for the holiday season and getting into the festive spirit. If you're feeling particularly eager to get into the Christmas spirit, you can put up the tree as early as the first week of December. Some people even put up their trees as early as late November, but it's all up to personal preference. The important thing is to make sure you have plenty of time to enjoy the magic of the season and create lasting memories with your loved ones.