'Sixth Hour' in the Bible

Now from the sixth hour there was darkness over all the land unto the ninth hour.

And when the sixth hour was come, there was darkness over the whole land until the ninth hour.

And it was about the sixth hour, and there was a darkness over all the earth until the ninth hour.

Now Jacob's well was there. Jesus therefore, being wearied with his journey, sat thus on the well: and it was about the sixth hour.

And it was the preparation of the passover, and about the sixth hour: and he said unto the Jews, Behold your King!

On the next day, as they went on their journey, and drew near unto the city, Peter went up upon the housetop to pray about the sixth hour: