Then the king said to the wise men, who knew the times, (for it was the king's custom to consult those who knew law and judgment;

The Jews accepted the custom that they had begun, as Mordecai had written to them;

the Jews established and made a custom for themselves and for their descendants and for all those who allied themselves with them, so that they would not fail to celebrate these two days according to their regulation and according to their appointed time annually.