Exodus 12:40-42

The Exodus

⁴⁰ The time that the people of Israel lived in Egypt was 430 years. ⁴¹ At the end of _d 430 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 _e night of watching kept to the Lord by all the people of Israel throughout their generations.

1. Cross References
   Galatians 3:17
   This is what I mean: the law, which came 430 years afterward, does not annul a covenant previously ratified by God, so as to make the promise void.
   Genesis 15:13
   Then the Lord said to Abram, "Know for certain that your offspring will be sojourners in a land that is not theirs and will be servants there, and they will be afflicted for four hundred years.
   Acts 7:6
   And God spoke to this effect - that his offspring would be sojourners in a land belonging to others, who would enslave them and afflict them four hundred years.
   
2. Cross References
   Deuteronomy 16:1 - 6
   Observe the month of Abib and keep the Passover to the Lord your God, for in the month of Abib the Lord your God brought you out of Egypt by night.