The time to take down the Christmas tree is a personal choice, but it's generally recommended to do so after the holiday season is over and the New Year has begun. The decision to take down the tree can be based on practical considerations, such as the condition of the tree and the amount of time and effort needed to take it down, as well as emotional considerations, such as the sentimental value of the tree and the memories associated with it. Ultimately, the decision is yours and should be based on what feels right for you.