2 Chronicles 35:17
And all the children of Israel who were present kept the Passover and the feast of unleavened bread at that time for seven days.
Exodus 12:15-20
For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
Exodus 13:6-7
For seven days let your food be unleavened cakes; and on the seventh day there is to be a feast to the Lord.
Exodus 23:15
You are to keep the feast of unleavened bread; for seven days let your bread be without leaven, as I gave you orders, at the regular time in the month Abib (for in it you came out of Egypt); and let no one come before me without an offering:
Exodus 34:18
Keep the feast of unleavened bread; for seven days your food is to be bread without leaven, as I gave you orders, at the regular time in the month Abib; for in that month you came out of Egypt.
Leviticus 23:5-8
In the first month, on the fourteenth day of the month at nightfall, is the Lord's Passover;
Numbers 28:16-25
And in the first month, on the fourteenth day of the month, is the Lord's Passover.
Deuteronomy 16:3-4
Take no leavened bread with it; for seven days let your food be unleavened bread, that is, the bread of sorrow; for you came out of the land of Egypt quickly: so the memory of that day, when you came out of the land of Egypt, will be with you all your life.
Deuteronomy 16:8
For six days let your food be unleavened bread; and on the seventh day there is to be a holy meeting to the Lord your God; no work is to be done.
2 Chronicles 30:21-23
So the children of Israel who were present in Jerusalem kept the feast of unleavened bread for seven days with great joy: and the Levites and the priests gave praise to the Lord day by day, making melody to the Lord with loud instruments.
1 Corinthians 5:7-8
Take away, then, the old leaven, so that you may be a new mass, even as you are without leaven. For Christ has been put to death as our Passover.