Matthew 26:17

“Now the first day of the feast of unleavened bread, etc.] There were seven of these days, and this was the first of them, in which the Jews might not eat leavened bread, from the fourteenth, to the twenty first of the month Nisan; in commemoration of their being thrust out of Egypt, in so much haste, that they had not time to leaven the dough, which was in their kneading troughs: wherefore, according to their canons f1500, on the night of the fourteenth day; that is, as Bartenora explains it, the night, the day following of which is the fourteenth, they search for leaven in all private places and corners, to bring; it out, and burn it, or break it into small pieces, and scatter it in the…”

“See also Mark 14:12-16; Luke 22:7-13. Matthew 26:17 The first day ... - The feast continued “eight” days, including the day on which the paschal lamb was killed and eaten, Exodus 12:15. That was the fourteenth day of the month Abib, answering to parts of our March and April. Of unleavened bread - Called so because during those eight days no bread made with yeast or leaven was allowed to be eaten. Luke says, “in which the passover must be killed” - that is, in which the “paschal lamb,” or the lamb eaten on the occasion, was killed. The word in the original, translated “Passover,” commonly means, not the “feast” itself, but the “lamb” that was killed on the occasion, Exodus 12:43; Numbers…”

“On the first day of unleavened bread - Being Thursday, the fourteenth day of the first month, Exo 12:6, Exo 12:15. Mar 14:12; Luk 22:7 Matthew 26:18”

“the first: Exo 12:6, Exo 12:18-20, Exo 13:6-8; Lev 23:5, Lev 23:6; Num 28:16, Num 28:17; Deu 16:1-4; Mar 14:12; Luk 22:7 Where: Mat 3:15, Mat 17:24, Mat 17:25; Luk 22:8, Luk 22:9 Matthew 26:18”