2 Kings 23:21
And the king gave orders to all the people, saying, Keep the Passover to the Lord your God, as it says in this book of the law
Deuteronomy 16:1-8
Take note of the month of Abib and keep the Passover to the Lord your God: for in the month of Abib the Lord your God took you out of Egypt by night.
Exodus 12:3-20
Say to all the children of Israel when they are come together, In the tenth day of this month every man is to take a lamb, by the number of their fathers' families, a lamb for every family:
Leviticus 23:5-8
In the first month, on the fourteenth day of the month at nightfall, is the Lord's Passover;
Numbers 9:2-5
Let the children of Israel keep the Passover at its regular time.
Numbers 28:16-25
And in the first month, on the fourteenth day of the month, is the Lord's Passover.
2 Chronicles 35:1-19
And Josiah kept a Passover to the Lord in Jerusalem; on the fourteenth day of the first month they put the Passover lamb to death.