See Esther 3:13 note.

On the fifteenth day ... they rested. —Both the fourteenth and fifteenth days are now kept as the festival of Purim, the …

But the Jews that were at Shushan assembled together on the
thirteenth day thereof, and on the fourteenth…

The enemies of the Jews hoped to have power over them by the former edict. If they had attempted nothing against the people of God, they would not …