'Of The Month' in the Bible

Then were the king's scribes called, in the first month, on the thirteenth day of the month, and there was written according to all that Haman commanded unto the king's satraps, and to the governors over every province, and to the princes of every people; to every province according to the writing thereof, and to every people according to their language: in the name of king Ahasuerus was it written, and sealed with the king's ring.

And the Jews that were in Shushan gathered themselves together on the fourteenth day also of the month Adar, and slew three hundred men at Shushan; but they laid not their hand on the prey.

on the thirteenth day of the month Adar; and on the fourteenth of the same they rested, and made it a day of feasting and joy.

Therefore the Jews of the villages that dwell in the country towns make the fourteenth of the month Adar a day of joy and feasting, and a good day, and on which they send portions one to another.

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