Nehemiah 2:1 It happened in the month Nisan, in the twentieth year of Artaxerxes the king, when wine was before him, that I took up the wine, and gave it to the king. Now I had not been before sad in his presence. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)
Esther 3:7 In the first month, which is the month Nisan, in the twelfth year of King Ahasuerus, they cast Pur, that is, the lot, before Haman from day to day, and from month to month, and chose the twelfth month, which is the month Adar. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)