The tradition of taking down the Christmas tree varies from family to family and culture to culture. In some countries, it is common to keep the tree up until the 12th Night, which falls on January 6th, the day after the Epiphany. In other countries, it is common to take the tree down on New Year's Day. Some people even keep their trees up until the middle of January. Ultimately, the decision to take down the Christmas tree is a personal one, and it can depend on factors such as the family's traditions, personal preferences, and the tree's health.