2 Chronicles 35:1
Josiah kept a Passover to the LORD in Jerusalem. And they slaughtered the Passover lamb on the fourteenth day of the first month.
Exodus 12:6
and you shall keep it until the fourteenth day of this month, when the whole assembly of the congregation of Israel shall kill their lambs at twilight.
Numbers 9:3
On the fourteenth day of this month, at twilight, you shall keep it at its appointed time; according to all its statutes and all its rules you shall keep it."
2 Kings 23:21-23
And the king commanded all the people, "Keep the Passover to the LORD your God, as it is written in this Book of the Covenant.
Ezra 6:19
On the fourteenth day of the first month, the returned exiles kept the Passover.
Deuteronomy 16:1-8
"Observe the month of Abib and keep the Passover to the LORD your God, for in the month of Abib the LORD your God brought you out of Egypt by night.
2 Chronicles 30:1-27
Hezekiah sent to all Israel and Judah, and wrote letters also to Ephraim and Manasseh, that they should come to the house of the LORD at Jerusalem to keep the Passover to the LORD, the God of Israel.
Ezekiel 45:21
"In the first month, on the fourteenth day of the month, you shall celebrate the Feast of the Passover, and for seven days unleavened bread shall be eaten.