2 Chronicles 35:17
So the Israelites who were present observed the Passover at that time, as well as the Feast of Unleavened Bread for seven days.
Exodus 12:15-20
For seven days you must eat bread made without yeast. Surely on the first day you must put away yeast from your houses because anyone who eats bread made with yeast from the first day to the seventh day will be cut off from Israel.
Exodus 13:6-7
For seven days you must eat bread made without yeast, and on the seventh day there is to be a festival to the Lord.
Exodus 23:15
You are to observe the Feast of Unleavened Bread; seven days you must eat bread made without yeast, as I commanded you, at the appointed time of the month of Abib, for at that time you came out of Egypt. No one may appear before me empty-handed.
Exodus 34:18
"You must keep the Feast of Unleavened Bread. For seven days you must eat bread made without yeast, as I commanded you; do this at the appointed time of the month Abib, for in the month Abib you came out of Egypt.
Leviticus 23:5-8
In the first month, on the fourteenth day of the month, at twilight, is a Passover offering to the Lord.
Numbers 28:16-25
"'On the fourteenth day of the first month is the Lord's Passover.
Deuteronomy 16:3-4
You must not eat any yeast with it; for seven days you must eat bread made without yeast, symbolic of affliction, for you came out of Egypt hurriedly. You must do this so you will remember for the rest of your life the day you came out of the land of Egypt.
Deuteronomy 16:8
You must eat bread made without yeast for six days. The seventh day you are to hold an assembly for the Lord your God; you must not do any work on that day.
2 Chronicles 30:21-23
The Israelites who were in Jerusalem observed the Feast of Unleavened Bread for seven days with great joy. The Levites and priests were praising the Lord every day with all their might.
1 Corinthians 5:7-8
Clean out the old yeast so that you may be a new batch of dough -- you are, in fact, without yeast. For Christ, our Passover lamb, has been sacrificed.