John 11:9
Jesus answered, Are there not twelve hours in the day? If any man walk in the day, he stumbles not, because he sees the light of this world.
Nave's Topical Index—AKJV

Matthew 20:3-12
And he went out about the third hour, and saw others standing idle in the marketplace,
Nave's Topical Index—AKJV

Matthew 27:45,46
Now from the sixth hour there was darkness over all the land to the ninth hour.
Nave's Topical Index—AKJV