Exodus 12:41-43

Revised Standard Version

⁴¹ And at the end of four hundred and thirty years, on that very day, all the hosts of the Lord went out from the land of Egypt. ⁴² It was a night of watching by the Lord, to bring them out of the land of Egypt; so this same night is a night of watching kept to the Lord by all the people of Israel throughout their generations.

Directions for the Passover

⁴³ And the Lord said to Moses and Aaron, “This is the ordinance of the passover: no foreigner shall eat of it;