Matthew 26:2
"You know that the Passover is coming in two days, and the Son of man will be delivered up to be crucified."
Matthew 26:17
On the first day of the feast of Unleavened Bread, the disciples came to Jesus and said, "Where do you want us to make preparation for you eat the Passover?"
Luke 22:7-8
Then came the day of Unleavened Bread, on which the paschal lamb must be sacrificed.
Acts 12:3-4
And when he saw that it pleased the Jews, he proceeded to seize Peter also. (This was during the days of unleavened bread.)
1 Corinthians 5:7-8
Then get rid of the old leaven, so that you may be like a new lump, as you are now unleavened. For our Paschal Lamb has already been sacrificed, Christ himself.