John 19:2

(2) That St. John distinguishes between the condemnation to be scourged (John 19:1) and that to be crucified. In St. Matthew and St. Mark the flagellation is regarded as the preliminary and part of the punishment. If it was the third hour at which this commenced—i.e., if the incident of John 19:1 of this chapter is to be assigned to nine o’clock—then the Crucifixion itself would naturally come about twelve o’clock.