Ezekiel 45:21
In the first [month], in the fourteenth day of the month, ye shall have the Passover, a feast of seven days. Unleavened bread shall be eaten.
Leviticus 23:5-8
In the first month, on the fourteenth day of the month at evening, is LORD's Passover.
Exodus 12:1-51
And LORD spoke to Moses and Aaron in the land of Egypt, saying,
Numbers 9:2-14
Moreover let the sons of Israel keep the Passover in its appointed season.
Numbers 28:16-25
And in the first month, on the fourteenth day of the month, is LORD's Passover.
Deuteronomy 16:1-8
Observe the month of Abib, and keep the Passover to LORD thy God, for in the month of Abib LORD thy God brought thee forth out of Egypt by night.
1 Corinthians 5:7-8
Purge out the old leaven, so that ye may be a new lump, since ye are unleavened. For also Christ our Passover was sacrificed for us.