Matthew 26:2-3
You know that the Passover is coming after two days, and the Son of Man is betrayed to be crucified. Then the chief priests and the scribes and the elders of the people were assembled to the court of the high priest, the one named Caiaphas.
Mark 14:1
And after two days was the Passover namely unleavened bread, and the chief priests and scribes were seeking with deception how they might seize him and kill him.
Luke 22:1-2
And the Feast of Unleavened Bread, being called Passover, drew near. And the chief priests and the scribes sought how to destroy Him; for they feared the people.
Matthew 26:5
But they said, Not during the Feast, that there be no turmoil among the people.
Mark 14:2
But they said, Not during the Feast, lest there will be a tumult of the people.
*The “Feast” refers to the seven-day Feast of Passover/Unleavened Bread