Esther 1:2

1:2 In those days, as King Ahasuerus sat on his royal throne in Susa the citadel,

Esther 2:21

2:21 In those days while Mordecai was sitting at the king’s gate, Bigthan and Teresh, two of the king’s eunuchs who protected the entrance, became angry and plotted to assassinate King Ahasuerus.