Mark 14:1-2
1 Now after two days was the feast of the passover and the unleavened bread: and the chief priests and the scribes sought how they might take him with subtlety, and kill him: 2 for they said, Not during the feast, lest haply there shall be a tumult of the people.
Luke 22:1-2
1 Now the feast of unleavened bread drew nigh, which is called the Passover. 2 And the chief priests and the scribes sought how they might put him to death; for they feared the people.