Rabanus Maurus

Now, the Scripture tells us that some of the Jews carried out the killing of their enemies on the thirteenth day of the month of Adar, and stopped their slaughter on the fourteenth day when they held this festival; but that others carried out the killing of their enemies for two days, i.e. the thirteenth and the fourteenth of the aforementioned month, and finally held a formal rest on the fifteenth when they left off the slaughter. …

Commentary on Esther ↗