'Of The Month' in the Bible

And the Jews who were in Shushan gathered themselves together on the fourteenth day also of the month Adar, and killed three hundred men in Shushan, but they did not lay their hand on the spoil.

[This was done] on the thirteenth day of the month Adar. And on the fourteenth day of the same they rested, and made it a day of feasting and gladness.

Therefore the Jews of the villages, who dwell in the unwalled towns, make the fourteenth day of the month Adar [a day of] gladness and feasting, and a good day, and of sending portions one to another.

to enjoin them that they should keep the fourteenth day of the month Adar, and the fifteenth day of the same, yearly,