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.
Moses and Aaron here receive of the Lord what they were afterwards to deliver to the people concerning the ordinance of the passover, to which is prefixed an order for a new style to be observed in their months (Exo 12:1, Exo 12:2): This shall be to you the beginning of months.
Commenting on Exodus 12:1-20
And ye shall keep it up until the fourteenth day of the same month,.... In their houses; this may denote the preservation of Christ in his infancy, and to the appointed time of his sufferings and death; and it is remarkable, that on this very day, the tenth of Nisan, four days before the passover, and so as many days before his sufferings and death...
keep it up until the fourteenth day, &c.--Being selected from the rest of the flock, it was to be separated four days before sacrifice; and for the same length of time was Christ under examination and His spotless innocence declared before the world. kill it in the evening--that is, the interval between the sun's beginning to decline, and sunset, corresponding to our three o'clock in the afternoon.