'Hours' in the Bible

whenever I remember you on my bed, and think about you during the nighttime hours.

My eyes anticipate the nighttime hours, so that I can meditate on your word.

Jesus replied, "Are there not twelve hours in a day? If anyone walks around in the daytime, he does not stumble, because he sees the light of this world.

After an interval of about three hours, his wife came in, but she did not know what had happened.

But when they recognized that he was a Jew, they all shouted in unison, "Great is Artemis of the Ephesians!" for about two hours.