Esther 9:19 KJV

17On the thirteenth day of the month Adar; and on the fourteenth day of the same rested they, and made it a day of feasting and gladness.

18But 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.

19Therefore the Jews of the villages, that dwelt in the unwalled towns, made the fourteenth day of the month Adar a day of gladness and feasting, and a good day, and of sending portions one to another.

20And Mordecai wrote these things, and sent letters unto all the Jews that were in all the provinces of the king Ahasuerus, both nigh and far,

21To stablish this among them, that they should keep the fourteenth day of the month Adar, and the fifteenth day of the same, yearly,