Via AMC:

On Wednesday, December 18, ahead of it’s official opening on December 20, fans can be among the first to see Star Wars: The Rise of Skywalker by attending Star Wars Marathon. Experience all nine Star Wars saga films in one epic day. Fans will receive a commemorative pin and blanket, and a concession offer. Star Wars: The Rise of Skywalker will start at 5pm local time, one hour earlier than regular public show times.