Exodus 12:1-3

King James Version

12 And the Lord spake unto Moses and Aaron in the land of Egypt saying,

² This month shall be unto you the beginning of months: it shall be the first month of the year to you.

³ Speak ye unto all the congregation of Israel, saying, In the tenth day of this month they shall take to them every man a lamb, according to the house of their fathers, a lamb for an house: