Noun enatos (ninth) in the Gospels-Acts

(Translation from NRSV with a few modifications for a more literal meaning)

Matthew

20: 5When he went out again about the sixth hour and about the ninth (enatos) hour, he did the same.
27: 45From sixth hour on, darkness came over the whole land until the ninth (enatos) hour in the afternoon.
27: 46And about the ninth (enatos) hour Jesus cried with a loud voice, "Eli, Eli, lema sabachthani?" that is, "My God, my God, why have you forsaken me?"

Mark

15: 33When it was sixth hour, darkness came over the whole land until the ninth (enatos) hour in the afternoon.
15: 34At the ninth (enatos) hour Jesus cried out with a loud voice, "Eloi, Eloi, lema sabachthani?" which means, "My God, my God, why have you forsaken me?"

Luke

23: 44It was now about sixth hour, and darkness came over the whole land until the ninth (enatos) hour in the afternoon,

Acts

3: 1One day Peter and John were going up to the temple at the hour of prayer, at the ninth (enatos) hour in the afternoon.
10: 3One afternoon at about the ninth (enatos) hour he had a vision in which he clearly saw an angel of God coming in and saying to him, "Cornelius."
10: 30Cornelius replied, "Four days ago at this very hour, at the ninth (enatos) hour, I was praying in my house when suddenly a man in dazzling clothes stood before me.