'Year' in the Bible

The words of Nehemiah the son of Hachaliah. And it came to pass in the month Chisleu, in the twentieth year, as I was in Shushan the palace,

And it came to pass in the month Nisan, in the twentieth year of Artaxerxes the king, that wine was before him: and I took up the wine, and gave it unto the king. Now I had not been beforetime sad in his presence.

Moreover from the time that I was appointed to be their governor in the land of Judah, from the twentieth year even unto the two and thirtieth year of Artaxerxes the king, that is, twelve years, I and my brethren have not eaten the bread of the governor.

Year after year you put up with them, and gave witness against them by your spirit through your prophets: still they did not give ear: and so you gave them up into the hands of the peoples of the lands.

And if the people of the land bring ware or any victuals on the sabbath day to sell, that we would not buy it of them on the sabbath, or on the holy day: and that we would leave the seventh year, and the exaction of every debt.

And we have appointed for ourselves commands, to put on ourselves the third of a shekel in a year, for the service of the house of our God,

And we cast the lots among the priests, the Levites, and the people, for the wood offering, to bring it into the house of our God, after the houses of our fathers, at times appointed year by year, to burn upon the altar of the LORD our God, as it is written in the law:

And to bring the firstfruits of our ground, and the firstfruits of all fruit of all trees, year by year, unto the house of the LORD:

But in all this time was not I at Jerusalem: for in the two and thirtieth year of Artaxerxes king of Babylon came I unto the king, and after certain days obtained I leave of the king: