Esther 3:7
It was the twelfth year of King Xerxes. In the first month, the month of Nisan, they cast the Pur in front of Haman. (Pur means "the lot.") They did this to choose a day and a month. The lot fell on the twelfth month, the month of Adar.
Esther 3:7, Readable English Bible (READ)