The duration of Disneyland's Christmas celebrations can vary depending on the year and the theme park's overall plans. In general, Disneyland's Christmas season typically begins in November and lasts through early January. During this time, the park is decorated with festive decor and Christmas trees, and there may be special events and performances related to the holiday. Additionally, many attractions and rides may feature holiday-themed overlays or enhancements, adding an extra layer of Christmas magic to the park's atmosphere.