There is no hard and fast rule regarding when to decorate for Christmas, as it ultimately depends on personal preference. However, many people find the period between Thanksgiving and Christmas to be an appropriate time to begin decorating for the holiday. This gives you plenty of time to enjoy the festive atmosphere without feeling rushed or pressured to do everything at once. Additionally, some people choose to decorate earlier or later depending on their own schedule or other commitments. Ultimately, the most important thing is to find a time that works best for you and your family and make it a special and memorable occasion.