'Of The Month' in the Bible

Letters [were] sent by couriers to all the provinces of the king to destroy, to kill, and to annihilate all the Jews, {both young and old}, women and children, on one day, the thirteenth day of the month, that [is] Adar, and to plunder their goods.

And the Jews were gathered who [were] in Susa, and on the fourteenth day of the month of Adar and they killed in Susa three hundred men, but they did not {touch} the plunder.

[This was] on the thirteenth day of the month of Adar. [They] rested on the fourteenth [day] and made it a day of feasting and joy.

to impose on them to keep the fourteenth day of the month of Adar, and the fifteenth [day], {every year},