Verses with the word hours in the New Testament (3 verses):

John 11:9
Jesus answered, Are there not twelve hours in the day? If any man walk in the day, he stumbleth not, because he seeth the light of this world.

Acts 5:7
And it was about the space of three hours after, when his wife, not knowing what was done, came in.

Acts 19:34
But when they knew that he was a Jew, all with one voice about the space of two hours cried out, Great is Diana of the Ephesians.