Mark 14:1-2
1 Now the passover and the feast of unleavened bread was after two days. And the chief priests and the scribes were seeking how they might seize him by subtlety and kill him. 2 For they said, Not in the feast, lest perhaps there be a tumult of the people.
Luke 22:1-2
1 Now the feast of unleavened bread, which is called the passover, drew nigh, 2 and the chief priests and the scribes sought how they might kill him; for they feared the people.