one day.

Esther 9:1
On the thirteenth day of the twelfth month, the month of Adar, the king's command and edict were to be executed. On this day the enemies of the Jews had hoped to overpower them, but the tables were turned and the Jews overpowered those who hated them.

Exodus 15:9, 10
The enemy declared, 'I will pursue, I will overtake. I will divide the spoils; I will gorge myself on them. I will draw my sword; my hand will destroy them.' . . .

Judges 1:6, 7
As Adoni-bezek fled, they pursued him, seized him, and cut off his thumbs and big toes. . . .

upon the thirteenth.

Esther 3:13-15
And the letters were sent by couriers to each of the royal provinces with the order to destroy, kill, and annihilate all the Jews--young and old, women and children--and to plunder their possessions on a single day, the thirteenth day of Adar, the twelfth month. . . .