So in this view you have do you also say the 18th was preparation day? I thought it was the preparation day for the Passover?
Mark 15:42 NASB - When evening had already come, because it was the preparation day, that is, the day before the Sabbath,
Luke 23:54 NASB - It was the preparation day, and the Sabbath was about to begin.
Matthew 27:62 NASB - Now on the next day, the day after the preparation, the chief priests and the Pharisees gathered together with Pilate,
John 19:14 NASB - Now it was the day of preparation for the Passover; it was about the sixth hour. And he said to the Jews, "Behold, your King!"
John 19:31 NASB - Then the Jews, because it was the day of preparation, so that the bodies would not remain on the cross on the Sabbath (for that Sabbath was a high day), asked Pilate that their legs might be broken, and that they might be taken away.
John 19:42 NASB - Therefore because of the Jewish day of preparation, since the tomb was nearby, they laid Jesus there.