2 Kings 23:21
Then the king commanded all the people, saying, “Celebrate the Passover to the Lord your God as it is written in this book of the covenant.”
Deuteronomy 16:1-8
“Observe the month of Abib and celebrate the Passover to the Lord your God, for in the month of Abib the Lord your God brought you out of Egypt by night.
Exodus 12:3-20
Tell all the congregation of Israel, ‘On the tenth [day] of this month they are to take a lamb or young goat for themselves, according to [the size of] the household of which he is the father, a lamb or young goat for each household.
Leviticus 23:5-8
The Lord’s Passover is on the fourteenth day of the first month
Numbers 9:2-5
“The sons of Israel are to keep the Passover at its appointed time.
Numbers 28:16-25
‘The Lord’s Passover shall be on the fourteenth day of the first month [of each year].
2 Chronicles 35:1-19
Josiah celebrated the Passover to the Lord in Jerusalem; they slaughtered the Passover lambs on the fourteenth day of the first month.