'On that Day' in the Bible

On that day King Ahasuerus (Xerxes) gave the house of Haman, the enemy of the Jews, to Queen Esther; and Mordecai came before the king, because Esther had disclosed what [relation] he was to her.

A copy of the edict was to be issued as a law in every province and as a proclamation to all peoples, so that the Jews would be ready on that day, to avenge themselves on their enemies.

On that day the number of those who were killed at the citadel in Susa was reported to the king.