Matthew marks the beginning of the Passover celebration at 26:17 (with “the first day of the Festival of Unleavened Bread” signaling its inception or the day anticipating it, as in Mark 14:12; for the combining of the two festivals cf. Deut. 16:1–8; Philo, On the Special Laws 2.150). He tells his disciples to prepare their Passover meal by going into Jerusalem and meeting a man with whom Jesus has presumably made room arrangements. In the later evening, Jesus celebrates the Passover meal with his disciples (26:20). Matthew emphasi…
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge