Exodus 12:16
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.
Torrey's Topical Textbook—AKJV

Numbers 28:18,25
In the first day shall be an holy convocation; you shall do no manner of servile work therein:
Torrey's Topical Textbook—AKJV