Esther 2:4

2:4 Let the young woman whom the king finds most attractive become queen in place of Vashti.” This seemed like a good idea to the king, so he acted accordingly.

Esther 8:12

8:12 This was to take place on a certain day throughout all the provinces of King Ahasuerus – namely, on the thirteenth day of the twelfth month (that is, the month of Adar).