7 Then came the day of unleavened bread, when the passover must be killed.
Luke 22:7 Cross References - KJ2000
Exodus 12:6
6 And you shall keep it up until the fourteenth day of the same month: and the whole assembly of the congregation of Israel shall kill it in the evening.
Exodus 12:18
18 In the first month, on the fourteenth day of the month at evening, you shall eat unleavened bread, until the one and twentieth day of the month at evening.
Matthew 26:17-19
17 Now the first day of the feast of unleavened bread the disciples came to Jesus, saying unto him, Where will you that we prepare for you to eat the passover?
18 And he said, Go into the city to such a man, and say unto him, The Teacher says, My time is at hand; I will keep the passover at your house with my disciples.
19 And the disciples did as Jesus had appointed them; and they made ready the passover.
Mark 14:12-16
12 And the first day of unleavened bread, when they killed the passover, his disciples said unto him, Where will you that we go and prepare that you may eat the passover?
13 And he sent forth two of his disciples, and said unto them, Go into the city, and there shall meet you a man bearing a pitcher of water: follow him.
14 And wherever he shall go in, say to the owner of the house, The Master says, Where is the guest room, where I shall eat the passover with my disciples?
15 And he will show you a large upper room furnished and prepared: there make ready for us.
16 And his disciples went forth, and came into the city, and found as he had said unto them: and they made ready the passover.
Luke 22:1
1 Now the feast of unleavened bread drew near, which is called the Passover.
1 Corinthians 5:7
7 Purge out therefore the old leaven, that you may be a new lump, as you are unleavened. For even Christ our passover is sacrificed for us: