“Then came the day of unleavened bread, when the passover must be killed.”
Luke 22:7 — Greek Interlinear
Church Fathers on Luke 22:7
Our Lord, in order to leave us a heavenly Passover, ate a typical one, removing the figure, that the truth might take its place.
By the day of unleavened bread of the Passover, He means the fourteenth day of the first month, the day on which, having put away the leaven, they were accustomed to hold the Passover, that is, the lamb, towards evening.
But should any one say, “If on the first day of unleavened bread the disciples of our Savior prepare the Passover, on that day then should we also celebrate the Passover;” we answer, that this was not an admonition, but a history of the fact. It is what took place at the time of the saving Passion; but it is one thing to relate past events, another to sanction and leave them an ordinance to posterity. Moreover, the Savior did not keep His Passover with the Jews at the time…