What is the meaning of Esther 9:31?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

in order to confirm these days of Purim at their appointed time, just as Mordecai the Jew and Queen Esther had established them and had committed themselves and their descendants to the times of fasting and lamentation.

Berean Standard Bible (BSB)

to confirm these days of Purim in their appointed times, as Mordecai the Jew and Esther the queen had decreed, and as they had imposed upon themselves and their descendants, in the matter of the fastings and their cry.

World English Bible (WEB)

To confirm{H6965}{(H8763)} these days{H3117} of Purim{H6332} in their times{H2165} appointed, according as Mordecai{H4782} the Jew{H3064} and Esther{H635} the queen{H4436} had enjoined{H6965}{(H8765)} them, and as they had decreed{H6965}{(H8765)} for themselves{H5315} and for their seed{H2233}, the matters{H1697} of the fastings{H6685} and their cry{H2201}.

Strong's King James

to establish these days of Purim at their appointed times as Mordekhai the Y'hudi and Queen Esther had established for them. And as they had established for themselves, and for their seed. Words of their fasting and their cry for help.

The F.O.G*

The F.O.G Paraphrase

to establish these days of Purim, in their seasons, as Mordecai the Jew hath established on them, and Esther the queen, and as they had established on themselves, and on their seed—matters of the fastings, and of their cry.

Young's Literal Translation