Ezekiel 45:21
"In the first month, on the fourteenth day of the month, you shall celebrate the Feast of the Passover, and for seven days unleavened bread shall be eaten.
Leviticus 23:5-8
In the first month, on the fourteenth day of the month at twilight, is the LORD's Passover.
Exodus 12:1-51
The LORD said to Moses and Aaron in the land of Egypt,
Numbers 9:2-14
"Let the people of Israel keep the Passover at its appointed time.
Numbers 28:16-25
"On the fourteenth day of the first month is the LORD's Passover,
Deuteronomy 16:1-8
"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.
1 Corinthians 5:7-8
Cleanse out the old leaven that you may be a new lump, as you really are unleavened. For Christ, our Passover lamb, has been sacrificed.