Exodus 12:1-3

Young's Literal Translation

12 And Jehovah speaketh unto Moses and unto Aaron, in the land of Egypt, saying,

² `This month [is] to you the chief of months -- it [is] the first to you of the months of the year;

³ speak ye unto all the company of Israel, saying, In the tenth of this month -- they take to them each man a lamb for the house of the fathers, a lamb for a house.