Matthew 26:2
"You know that after two days is the Passover, and the Son of Man will be delivered up to be crucified."
Matthew 26:17
Now on the first day of the Feast of Unleavened Bread, the disciples came to Jesus, saying, "Where do you want us to prepare for you to eat the Passover?"
Luke 22:7-8
Then came the day of Unleavened Bread, on which the Passover lamb had to be sacrificed.
Acts 12:3-4
When he saw that it pleased the Jews, he proceeded to arrest Peter also. This was during the days of Unleavened Bread.
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.