Matthew 27:62

Now on the morrow, which is the day after the Preparation, the chief priests and the Pharisees were gathered together unto Pilate,

Mark 15:42

And when even was now come, because it was the Preparation, that is, the day before the sabbath,

John 19:14

Now it was the Preparation of the passover: it was about the sixth hour. And he saith unto the Jews, Behold, your King!

John 19:42

There then because of the Jews Preparation (for the tomb was nigh at hand) they laid Jesus.

Psalm 2:1-6

Why do the nations rage, And the peoples meditate a vain thing?

Matthew 26:17

Now on the first day of unleavened bread the disciples came to Jesus, saying, Where wilt thou that we make ready for thee to eat the passover?

Matthew 27:1-2

Now when morning was come, all the chief priests and the elders of the people took counsel against Jesus to put him to death:

Luke 23:54-56

And it was the day of the Preparation, and the sabbath drew on.

John 19:31

The Jews therefore, because it was the Preparation, that the bodies should not remain on the cross upon the sabbath (for the day of that sabbath was a high day ), asked of Pilate that their legs might be broken, and that they might be taken away.

Acts 4:27-28

for of a truth in this city against thy holy Servant Jesus, whom thou didst anoint, both Herod and Pontius Pilate, with the Gentiles and the peoples of Israel, were gathered together,

Treasury of Scripture Knowledge

Summary

Now the next day, that followed the day of the preparation, the chief priests and Pharisees came together unto Pilate,

The chief priests

Bible References

The day

Matthew 26:17
Now on the first day of unleavened bread the disciples came to Jesus, saying, Where wilt thou that we make ready for thee to eat the passover?
Mark 15:42
And when even was now come, because it was the Preparation, that is, the day before the sabbath,
Luke 23:54
And it was the day of the Preparation, and the sabbath drew on.
John 19:14
Now it was the Preparation of the passover: it was about the sixth hour. And he saith unto the Jews, Behold, your King!

The chief priests

Matthew 27:1
Now when morning was come, all the chief priests and the elders of the people took counsel against Jesus to put him to death:
Psalm 2:1
Why do the nations rage, And the peoples meditate a vain thing?
Acts 4:27
for of a truth in this city against thy holy Servant Jesus, whom thou didst anoint, both Herod and Pontius Pilate, with the Gentiles and the peoples of Israel, were gathered together,

General references

Psalm 83:4
They have said, Come, and let us cut them off from being a nation; That the name of Israel may be no more in remembrance.
Matthew 28:12
And when they were assembled with the elders, and had taken counsel, they gave much money unto the soldiers,
Mark 15:42
And when even was now come, because it was the Preparation, that is, the day before the sabbath,
Luke 23:54
And it was the day of the Preparation, and the sabbath drew on.

American Standard Version Public Domain