Chronology in Esther

The events of Esther unfold over a period of 10 years.

Reference Event Month Day Year of Ahasuerus’s Reign Year
1:3 Ahasuerus holds his banquets 3 483 B.C.
2:16 Esther goes to Ahasuerus 10 7 479
3:7 Haman casts his lots 1 12 474
3:12 Haman issues his decree 1 13 12 474
3:13 Date planned for annihilation of the Jews 12 13 13 473
8:9 Mordecai issues his decree 3 23 13 473
8:12; 9:1 Day upon which Jews could defend themselves from attack 12 13 13 473
9:6–10, 20–22 Ten sons of Haman executed; Feast of Purim celebrated 12 14, 15 13 473