The Pulpit Commentary - Exodus 12:1-2
The advantages of an ecclesiastical calendar. With their new position as an independent nation, and their new privileges as God's redeemed people ( Exodus 6:6 ), the Israelites received the gift of a new ecclesiastical calendar. Their civil calendar remaining as before, their civil year commencing with Tisri, about the time of the autumnal equinox, and consisting of twelve months of alternately twenty-nine and thirty days, they were now commanded to adopt a new departure for their sacred... read more
John Calvin's Commentary on the Bible - Exodus 12:5
Verse 5 5.Your lamb shall be without blemish. We shall see elsewhere, that in all their sacrifices prescribed by the Law they were diligently to beware, lest there should be any spot or fault in them; and by this the people were reminded, that the expiation was not legitimate, unless it possessed the utmost perfection, such as is never to be found in men. It is not to be wondered, therefore, that God should now require the Passover to be of one year old, and without blemish, that the Israelites... read more