Mark 14:1-2
1 Now after two days was the Passover and the unleavened bread. And the chief priests and the scholars sought how, having take him with trickery, they might kill him, 2 but they said, Not during the feast, lest there will be an uproar of the people.
Luke 22:1-2
1 Now the feast of unleavened bread was coming near, which is called Passover. 2 And the chief priests and the scholars sought how they might kill him, for they feared the people.