Then came the day of unleavened bread, when the passover must be killed.
In the first month, on the fourteenth day of the month at even, you shall eat unleavened bread, until the one and twentieth day of the month at even.
And you shall keep it up until the fourteenth day of the same month: and the whole assembly of the congregation of Israel shall kill it in the evening.
Now the feast of unleavened bread drew near, which is called the Passover.
And he promised, and sought opportunity to betray him to them in the absence of the multitude.
Purge out therefore the old leaven, that you may be a new lump, as you are unleavened. For even Christ our passover is sacrificed for us: