Exodus 12:41-43

Young's Literal Translation

⁴¹ and it cometh to pass, at the end of four hundred and thirty years -- yea, it cometh to pass in this self-same day -- all the hosts of Jehovah have gone out from the land of Egypt.

⁴² A night of watchings it [is] to Jehovah, to bring them out from the land of Egypt; it [is] this night to Jehovah of watchings to all the sons of Israel to their generations.

⁴³ And Jehovah saith unto Moses and Aaron, `This [is] a statute of the passover; Any son of a stranger doth not eat of it;