18 The Jews in Susa, however, had assembled on the thirteenth and fourteenth, and then on the fifteenth they rested and made it a day of feasting and joy.

Read Esther 9:18 Using Other Translations

But the Jews that were at Shushan assembled together on the thirteenth day thereof, and on the fourteenth thereof; and on the fifteenth day of the same they rested, and made it a day of feasting and gladness.
But the Jews who were in Susa gathered on the thirteenth day and on the fourteenth, and rested on the fifteenth day, making that a day of feasting and gladness.
(The Jews at Susa killed their enemies on March 7 and again on March 8, then rested on March 9, making that their day of feasting and gladness.)