How is the timing of Passover calculated? Why does Passover sometimes fall after Easter?
Preparations for Passover begin long before its onset, immediately after the end of Purim. Jews clean their homes carefully.
In particular, they get rid of khamts – fermented foods – bread, beer and others. During Passover, Jews are forbidden not only to use chametz, but also to keep it. You can only eat matzo – unleavened bread made from wheat flour. But celebrating and relaxing on Pesach is also an integral tradition, are you interested?
Then more info here)
And if you want to celebrate this date well, then you will definitely find something for yourself.
The two holidays are based on two different calendars. Easter is based on the solar calendar, the calendar commonly used today. In Western churches, Easter is dated as the first Sunday after the first full moon of spring. It therefore occurs somewhere between March 22 and April 25. Eastern Orthodox churches have a different approach based on the lunar calendar.