Mark 14:1-2
1 Now after two days it was the Passover and the feast of Unleavened Bread, and the chief priests and the scribes were seeking how, [after] arresting him by stealth, they could kill [him]. 2 For they said, "Not at the feast, lest there be an uproar by the people."
Luke 22:1-2
1 Now the feast of Unleavened Bread (which is called Passover) was drawing near. 2 And the chief priests and the scribes were seeking how they could destroy him, because they were afraid of the people.