'O'clock' in the Bible

He said to them, “Come, and you will see.” So they went [with Him] and saw where He was staying; and they stayed with Him that day, for it was about the tenth hour.

So he asked them at what time he began to get better. They said, “Yesterday during the seventh hour the fever left him.”

Now it was the day of Preparation for the Passover [week], and it was about the sixth hour. He said to the Jews, “Look, your King!”