'Year' in the Bible

In the second year of Darius the king, on the first day of the sixth month, the word of the Lord came by the prophet Haggai to Zerubbabel the son of Shealtiel, governor of Judah, and to Joshua the son of Jehozadak, the high priest, saying,

on the twenty-fourth day of the sixth month in the second year of Darius the king.

On the twenty-fourth of the ninth month, in the second year of Darius, the word of the Lord came to Haggai the prophet, saying,