וַיְהִ֣י ׀ בַּיּ֣וֹם הַשְּׁלִישִׁ֗י וַתִּלְבַּ֤שׁ אֶסְתֵּר֙ מַלְכ֔וּת וַֽתַּעֲמֹ֞ד בַּחֲצַ֤ר בֵּית־הַמֶּ֙לֶךְ֙ הַפְּנִימִ֔ית נֹ֖כַח בֵּ֣ית הַמֶּ֑לֶךְ וְ֠הַמֶּלֶךְ יוֹשֵׁ֞ב עַל־כִּסֵּ֤א מַלְכוּתוֹ֙ בְּבֵ֣ית הַמַּלְכ֔וּת נֹ֖כַח פֶּ֥תַח הַבָּֽיִת׃
На третий день Эстер надела царскую одежду и встала во внутреннем дворе царя.'дом против царя'дом; и царь сел на свой царский трон в царском доме напротив входа в дом.
Rashi
And to his fasting: The third day of his fasting, as they began to fast on the fourteenth of Nissan. And that which Scripture stated about the previous day (Esther 5:1) - "On the third day, Esther put on royal apparel" - that was the third day from the sending of the runners.