Matthew 20:5

So they went. He went out again about the sixth hour and the ninth hour and did the same thing.

Note That is, about noon and again about three in the afternoon

Again he went out about the sixth and ninth hour, and did likewise.

Again he went out about the sixth and the ninth hour, and did likewise.

Note noon and 3:00 p.m.

Again he went out about the sixth and the ninth hour, and did likewise.