'Year' in the Bible

in the third year of his reign, he made a feast to all his princes and his servants; the power of Persia and Media, the nobles and the princes of the provinces being before him;

So Esther was taken to king Ahasuerus, into his royal house, in the tenth month, that is, the month Tebeth, in the seventh year of his reign.

In the first month, that is, the month Nisan, in the twelfth year of king Ahasuerus, they cast Pur, that is, the lot, before Haman for each day and for each month, to the twelfth month, that is, the month Adar.

the Jews ordained and took upon them, and upon their seed, and upon all such as joined themselves to them, so that it should not fail, that they would observe these two days according to their writing and according to their fixed time, every year;