When does Disneyland decorate for Christmas?

Disneyland this week launched its first-ever Jingle Cruise -- a holiday makeover of the classic Jungle Cruise.///ADDITIONAL INFO: SLUG: disney.jinglecruiseride - 11/13/13 - PHOTO BY JOSHUA SUDOCK, ORANGE COUNTY REGISTER - Disneyland this week launched its first-ever Jingle Cruise -- a holiday makeover of the classic Jungle Cruise. There are festive decorations.