'Year' in the Bible

But one of them, Caiaphas, who was high priest that year, said to them, “You know nothing at all,

Now he did not say this on his own initiative, but being high priest that year, he prophesied that Jesus was going to die for the nation,

and led Him to Annas first; for he was father-in-law of Caiaphas, who was high priest that year.