Deuteronomy 16:1-2

21st Century King James Version

16 “Observe the month of Abib, and keep the Passover unto the Lord thy God; for in the month of Abib the Lord thy God brought thee forth out of Egypt by night.

² Thou shalt therefore sacrifice the Passover unto the Lord thy God, of the flock and the herd, in the place which the Lord shall choose to place His name there.