Luke 2:43
and having fulfilled the days, during their return the boy Jesus remained behind in Jerusalem. And Joseph and his mother did not know it,
Exodus 12:15
Seven days ye shall 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.
2 Chronicles 25:17
Then Amaziah king of Judah took advice, and sent to Joash, the son of Jehoahaz the son of Jehu, king of Israel, saying, Come, let us look each other in the face.
2 Chronicles 30:21-23
And the sons of Israel who were present at Jerusalem kept the feast of unleavened bread seven days with great gladness. And the Levites and the priests praised LORD day by day, with loud instruments to LORD.