In the first month; Nisan, which is part of March and part of April with us.
The fourteenth day; as was appointed of old by Moses, Exo 12 at large.
Ye shall have; have, and slay, for so Exo_12:6.
The passover; the lamb, which was to be eaten with thanksgiving for God’s sparing the Jewish children, their first-born, when he slew the chief of the strength of Egypt, and for bringing the whole house of Israel out of Egypt.
A feast of seven days: see the institution, Exo 12.
Unleavened bread shall be eaten: though here is an ellipsis, yet the thing clearly speaks itself; through the whole feast unleavened bread was to be eaten under great penalty, Exo_12:18,19. These things no doubt concerned the returned captives, though they have a mystical meaning also.