From Disneyland.com website!
Special Theme Park Hours for May 19, 2007
Due to a private event on Saturday, May 19, 2007, Disneyland® Park will be opening at 6:30 a.m. and closing at 5:00 p.m. Disney's California Adventure® Park will extend its hours that day and will be open from 10:00 a.m. until 11:00 p.m.
Closed for Refurbishment:
Fantasmic! River Show
Tom Sawyer Island