Albert Barnes Commentary 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 19:14 (ASV)

The preparation of the passover. See Barnes on Mark 15:42.

The sixth hour. Twelve o’clock. Mark says (Mark 15:25) that it was the third hour. See the difficulty explained in the Notes on that place. See Barnes on Mark 15:42.