Hi Lorrie! What magical Independence Day fireworks you'll get to see this year! The
park calendars on the Disney website list the hours for all of the parks. Just click the calendar icon on the top right and use the arrows to advance to the date of your visit to see the hours for that week.
I checked the calendar for July 4th week for you and the following parks have Extra Magic Hours scheduled that week:
Monday July 1 Animal Kingdom 8 to 9 a.m.
Hollywood Studios 10 pm to 12 am
Tuesday July 2 Epcot 9 to 11 pm
Wednesday July 3 Magic Kingdom 1 to 3 am
Animal Kingdom 8 to 9 am
Thursday July 4 Hollywood Studios 8 to 9 am
Friday July 5 Epcot 8 to 9 am
Wishing you a magical vacation! Come visit us again here at the Moms Panel if you have more questions!