'Sixth Hour' in the Bible

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

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

And it was now about the sixth hour, and a darkness came over the whole land until the ninth hour,

and Jacob's well was there. Jesus therefore, being wearied with his journey, sat thus by the well. It was about the sixth hour.

Now it was the Preparation of the passover: it was about the sixth hour. And he saith unto the Jews, Behold, your King!

Now on the morrow, as they were on their journey, and drew nigh unto the city, Peter went up upon the housetop to pray, about the sixth hour: