Esther 9 is the ninth chapter of the Book of Esther in the Hebrew Bible or the Old Testament of the Christian Bible, The author of the book is unknown and modern scholars have established that the final stage of the Hebrew text would have been formed by the second century BCE. Chapters 9 to 10 contain the resolution of the stories in the book. This chapter records the events on the thirteenth and fourteenth of Adar and the institution of the Purim festival after the Jews overcome their enemies.