King James Version
Now in the twelfth month, that is, the month Adar, on the thirteenth day of the same, when the king's commandment and his decree drew near to be put in execution, in the day that the enemies of the Jews hoped to have power over them, (though it was turned to the contrary, that the Jews had rule over them that hated them;)New International Version
On the thirteenth day of the twelfth month, the month of Adar, the edict commanded by the king was to be carried out. On this day the enemies of the Jews had hoped to overpower them, but now the tables were turned and the Jews got the upper hand over those who hated them.Catholic Public Domain Version
Therefore, on the thirteenth day of the twelfth month, which as we have said before is called Adar, when all the Jews were prepared to be executed and their enemies were greedy for their blood, the situation turned around, and the Jews began to have the upper hand and to vindicate themselves of their adversaries