והיהודיים [וְהַיְּהוּדִ֣ים] אֲשֶׁר־בְּשׁוּשָׁ֗ן נִקְהֲלוּ֙ בִּשְׁלֹשָׁ֤ה עָשָׂר֙ בּ֔וֹ וּבְאַרְבָּעָ֥ה עָשָׂ֖ר בּ֑וֹ וְנ֗וֹחַ בַּחֲמִשָּׁ֤ה עָשָׂר֙ בּ֔וֹ וְעָשֹׂ֣ה אֹת֔וֹ י֖וֹם מִשְׁתֶּ֥ה וְשִׂמְחָֽה׃
Tetapi orang Yahudi yang ada di Susan berkumpul pada hari ketiga belas dan pada hari keempat belas bulan itu. Pada hari kelima belas bulan itu mereka beristirahat, dan mereka menjadikannya hari perjamuan dan sukacita.
Mishneh Torah, Scroll of Esther and Hanukkah
Although the castle-city of Shushan was not surrounded by a wall in the days of Joshua the son of Nun, the Megillah is read there on the fifteenth of Adar, because it was there that the miracle occurred, as it is written: "They rested on the fifteenth" (Esther 9:18). This was made to depend on the days of Joshua in deference to Eretz Yisrael which was in ruins at that time. The inhabitants of Eretz Yisrael were to be considered residents of walled cities so as to read the Megillah at the same time as the residents of Shushan. Although Eretz Yisrael is still desolate, its residents are to read the Megillah on the fifteenth of Adar in localities that used to be surrounded by defense walls during the period of Joshua. Eretz Yisrael is thus remembered in connection with the miracle of Purim.