Disney Parks in Orlando and California will be open 24 hours from 6am May 24 to 6am May 25 to celebrate the start of summer.

The president of Walt Disney World George Kalogridis made the announcement Thursday night from Orlando Florida saying all three Disney parks will remain open for 24 hours.

Disney World in Florida, Disneyland and Disney's California Adventure in California will remain open for 24 hours on May 24 and will feature an all night party as well as other special events.

In order to celebrate the start of summer, arguably Disney's most busy season and the upcoming Pixar film "Monsters University" Disney Parks will remain open for 24 hours and character from the "Monsters" movie will be making their way through the parks to take photos with guest and lead a parade.

An announcement on the Disney website says,

"In Florida, Magic Kingdom Park will feature a "Monsters University" theme where Mike and Sulley will be the Grand Marshals of the "Celebrate a Dream Come True" day parade and make appearances in Tomorrowland. There will be extra entertainment throughout the day and night, including characters in their pajamas in Town Square during the late night and early morning, and late-night dance parties in and around the courtyard of Cinderella Castle."

The announcement also talked about events in California saying,

"In California, you'll be able to party the night away at both parks with special entertainment including: a "Monsters University" "TLT Monstrous" Dance Club and Star Wars characters in Tomorrowland and late-night Character Pajama Party in Mickey's Toontown at Disneyland park. The new Fantasy Faire Royal Theatre at Disneyland park will become a Royal Dance Hall late at night with a live band and dancing; and guests at Disney California Adventure park will find Monstrous photo opportunities with new "Monsters University" "dorms" in Hollywood Land and a new "Monsters University" float leading the Pixar Play Parade."

Disney fans young and old are excited about the parks remaining open for 24 hours. No doubt they have their big white gloves, mouse ears and princess dresses ready to go for a 24-hour party sure to be filled with classic Disney themes and a few surprises.

The Disney blog urges fans to keep checking back for news about the 24-hour extravaganza, which will feature "limited-edition specialty merchandise and food and beverage offerings, plus other surprises throughout the entire day."