disneyland park opening hours
1 At a minimum it's open from at least 10am - 8pm. 2  California Adventure Park usually opens at 10am and closes 2-3 hours earlier than Disneyland. 3  Leap Year On February 29, 2012, the park was open 24 hours! 4  That was a quadrennial event for the Happiest Place on Earth.t's best to check the Disneyland website for your specific days. Click for Today's Hours. 1  On the busiest days, the park is usually open from 8am-midnight. 2  At a minimum it's open from at least 10am - 8pm.