Read Exodus 12:16 Using Other Translations
And in the first day there shall be an holy convocation, and in the seventh day there shall be an holy convocation to you; no manner of work shall be done in them, save that which every man must eat, that only may be done of you.
On the first day you shall hold a holy assembly, and on the seventh day a holy assembly. No work shall be done on those days. But what everyone needs to eat, that alone may be prepared by you.
On the first day of the festival and again on the seventh day, all the people must observe an official day for holy assembly. No work of any kind may be done on these days except in the preparation of food.