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.
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.”
“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.