Bible Verses About Or Lots, the Feast of Purim: Mode of celebrating

on the thirteenth day of the month Adar. So on the fourteenth day of Adar they rested and made it a holiday for celebrating and rejoicing.

However, the Jews of Shushan assembled on both the thirteenth and fourteenth days of Adar, so it was on the fifteenth that they rested and made it a holiday for celebrating and rejoicing.

This is why the Jews of the villages, those who live in unwalled towns, make the fourteenth day of the month of Adar a day for celebrating and rejoicing, a holiday and a time for sending each other portions [of food].