The week between Christmas and New Year's Day is one of the busiest times of the year at the parks. The parks can get so busy, they'll sometimes close in phases.Related: Tips for visiting Disney during the holidaysOther high-traffic times at the park include:-Presidents' week in February-Mid-March through Late April ("Spring Break")-Memorial Day weekend-Mid-June through Labor Day-Thanksgiving Day and weekendIf you're looking for a time where the parking lot will be less than full and the wait times won't be as high, you'll want to go during one of these times:-January (except New Year's Day) until just prior to Presidents' week in February-The week following Labor Day until just prior to Thanksgiving week-The week following Thanksgiving until the week prior to ChristmasDisney even lists the busiest days of the week on its site for each park.Magic Kingdom® Park: Monday, Thursday, and SaturdayEpcot®: Tuesday and FridayDisney's Hollywood Studios™: Sunday and WednesdayDisney's Animal Kingdom® Theme Park: Monday, Tuesday and WednesdayWhen is your favorite time to go to Disney World? Tell us in the comments below.Also see: 10 holiday time things to do at Disney