Deuteronomy:16:1-2
kjv@Deuteronomy:16:1 @ 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.
kjv@Deuteronomy:16:2 @ 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.