'Month' in the Bible

Each young woman's turn came to go in to King Ahasuerus at the end of the twelve month period, at which time she was treated according to the regulations for women. This process completed the period of her beauty treatments six months with oil of myrrh and six months with spices and cosmetics for women.

Esther was taken to King Ahasuerus to his royal palace in the tenth month, which is the month Tebeth, in the seventh year of his reign.

In the twelfth year of the reign of King Ahasuerus, in the first month (the month Nisan), the (that is, the lot) was cast in Haman's presence to determine the best day and month to carry out his plot. The lot indicated the twelfth month, the month Adar.

The king's scribes were summoned on the thirteenth day of the first month, and all that Haman commanded was written to the regional authorities of the king, to the governors who were over each province, and to the officials of each people. This order was translated in the name of King Ahasuerus into the language of each province and bore the seal of the king's signet ring.

Letters were sent by couriers to all of the king's provinces to annihilate, to kill, and to destroy all the Jewish people, both young and old, women and children, and to confiscate their goods on a single day the thirteenth day of the twelfth month of Adar.

The king's scribes were summoned at that time, on the twenty-third day of the third month, which is the month Sivan, and everything that Mordecai commanded the Jewish people, the regional authorities, the governors, and the provincial officials of the 127 provinces from India to Cush was written down for each province according to its script, for each people according to their language, and for the Jewish people according to their script and language.

Throughout all the provinces of King Ahasuerus, the one day for the Jewish people to do this was the thirteenth day of the twelfth month, which is the month Adar.

On the thirteenth day of the twelfth month, which is the month Adar, when the king's order and edict was about to be carried out, on the day when the enemies of the Jewish people expected to prevail over them, things were turned around so that the Jewish people themselves prevailed over those who hated them.

Therefore the Jewish people in the rural areas who live in unwalled towns make the fourteenth day of the month Adar a holiday for joy and feasting, and people send presents to one another.

establishing that they should celebrate the fourteenth and fifteenth days of the month Adar every year,

as the days on which the Jewish people enjoyed relief from their enemies. It was a month when things turned around for them, from sorrow to joy and from mourning to a holiday. They were to celebrate these days as days of feasting and joy, and they were to send presents to one another and gifts to the poor.