This is from Mouse Planet's website...it says 2 weeks starting April 9 but seems like it might apply for the 26th as well. Hope this helps.
Beginning on Sunday, April 9, Disney begins shuffling Extra Magic Hours for the two-week Easter peak season. The most prominent change is that the Magic Kingdom will have morning Extra Magic Hours every day from April 9 through April 22. Epcot will forego its Tuesday morning hour on April 11 for Sunday mornings on April 9 and 16, but will keep its regular Tuesday hour on April 18. The Disney-MGM Studios will add Monday and Friday mornings to its regular Saturday morning Extra Magic Hour. Disney's Animal Kingdom will abandon its Monday morning hour for Wednesdays and Saturdays. Water parks will continue to have morning Extra Magic Hours every day.
In the evenings, Magic Kingdom will add Fridays to its regular Sunday Extra Magic Hours. Epcot will forego its Friday evening hours on April 14 for Tuesday and Thursday evenings, but will keep its regular Friday hours on April 21. The Disney-MGM Studios and Disney's Animal Kingdom will trade their hours for this period, with the Studios switching from Monday to Wednesday, while Animal Kingdom will switch from Wednesday to Monday.