'Year' in the Bible

and a certain one of them, Caiaphas, being chief priest of that year, said to them, 'Ye have not known anything,

And this he said not of himself, but being chief priest of that year, he did prophesy that Jesus was about to die for the nation,

and they led him away to Annas first, for he was father-in-law of Caiaphas, who was chief priest of that year,