2 Chronicles 35:17
And the sons of Israel that were present kept the passover at that time and the solemn feast of unleavened bread for seven days.
Exodus 12:15-20
Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Exodus 13:6-7
Thou shalt eat without leaven for seven days, and the seventh day shall be a feast unto the LORD.
Exodus 23:15
Thou shalt keep the feast of unleavened bread (thou shalt eat unleavened bread seven days as I commanded thee, in the time appointed of the month Abib, for in it thou didst come out from Egypt; and none shall appear before me empty),
Exodus 34:18
The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib; for in the month Abib thou didst come out from Egypt.
Leviticus 23:5-8
On the fourteenth of the first month between the two evenings is the LORD's passover.
Numbers 28:16-25
But on the fourteenth of the first month shall be the passover of the LORD.
Deuteronomy 16:3-4
Thou shalt eat no leavened bread with it; seven days shalt thou eat unleavened bread therewith, even the bread of affliction; for thou didst come forth out of the land of Egypt in haste; that thou may remember the day when thou didst come forth out of the land of Egypt all the days of thy life.
Deuteronomy 16:8
Six days thou shalt eat unleavened bread, and on the seventh day shall be a solemn feast unto the LORD thy God; thou shalt do no work in this.
2 Chronicles 30:21-23
Thus, the sons of Israel that were present at Jerusalem kept the solemnity of unleavened bread seven days with great gladness, and the Levites and the priests praised the LORD, day by day, with instruments of strength unto the LORD.
1 Corinthians 5:7-8
Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ, our passover, is sacrificed for us;