'Year' in the Bible

Now in the first year of Cyrus, king of Persia, in order that the word of the Lord given by the mouth of Jeremiah might come true, the spirit of Cyrus, king of Persia, was moved by the Lord, so that he made a public statement through all his kingdom, and put it in writing, saying,

Now in the second year of their coming into the house of God in Jerusalem, in the second month, the work was taken in hand by Zerubbabel, the son of Shealtiel, and Jeshua, the son of Jozadak, and the rest of their brothers the priests and the Levites, and all those who had come from the land where they were prisoners to Jerusalem: and they made the Levites, of twenty years old and over, responsible for overseeing the work of the house of the Lord.

So the work of the house of God at Jerusalem came to an end; so it was stopped, till the second year of the rule of Darius, king of Persia.

But in the first year of Cyrus, king of Babylon, Cyrus the king gave an order for the building of this house of God;

In the first year of Cyrus the king, Cyrus the king made an order: In connection with the house of God at Jerusalem, let the house be put up, the place where they make offerings, and let the earth for the bases be put in place; let it be sixty cubits high and sixty cubits wide;

And the building of this house was complete on the third day of the month Adar, in the sixth year of the rule of Darius the king.

And some of the children of Israel went up, with some of the priests and the Levites and the music-makers and the door-keepers and the Nethinim, to Jerusalem, in the seventh year of Artaxerxes the king.

And he came to Jerusalem in the fifth month, in the seventh year of the king's rule.