Question: when do all the christmas decorations go up in new york 2019?
Answer: In 2020, the tree lighting ceremony will probably take place on December 2nd. The lights will be turned off in January 2021. The tree is illuminated daily from 06:00 until 00:00 and over Christmas is illuminated for 24 hours. On New Year's Eve, the lights are turned off at 21:00.