'Hours' in the Bible

Jesus replied, "There are twelve hours in the day, aren't there? If anyone walks during the day he does not stumble, because he sees the light of this world.

After an interval of about three hours, Ananias' wife came in, not knowing what had happened.

But when they found out that he was a Jew, they all started to shout in unison for about two hours, "Great is Artemis of the Ephesians!"