'Year' in the Bible

These are the words of Nehemiah son of Hacaliah: It so happened that in the month of Kislev, in the twentieth year, I was in Susa the citadel.

Then in the month of Nisan, in the twentieth year of King Artaxerxes, when wine was brought to me, I took the wine and gave it to the king. Previously I had not been depressed in the king's presence.

From the day that I was appointed governor in the land of Judah, that is, from the twentieth year until the thirty-second year of King Artaxerxes -- twelve years in all -- neither I nor my relatives ate the food allotted to the governor.

We will not buy on the Sabbath or on a holy day from the neighboring peoples who bring their wares and all kinds of grain to sell on the Sabbath day. We will let the fields lie fallow every seventh year, and we will cancel every loan.

We accept responsibility for fulfilling the commands to give one third of a shekel each year for the work of the temple of our God,

"We -- the priests, the Levites, and the people -- have cast lots concerning the wood offerings, to bring them to the temple of our God according to our families at the designated times year by year to burn on the altar of the LORD our God, as is written in the law.

We also accept responsibility for bringing the first fruits of our land and the first fruits of every fruit tree year by year to the temple of the LORD.

During all this time I was not in Jerusalem, for in the thirty-second year of King Artaxerxes of Babylon, I had gone back to the king. After some time I had requested leave of the king,