Esther 9:31

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

Esther 4:3

There was great mourning among the Jewish people in every province where the king’s command and edict came. They fasted, wept, and lamented, and many lay on sackcloth and ashes.

Esther 4:16

“Go and assemble all the Jews who can be found in Susa and fast for me. Don’t eat or drink for three days, day or night. I and my female servants will also fast in the same way. After that, I will go to the king even if it is against the law. If I perish, I perish.”

Jonah 3:2-9

“Get up! Go to the great city of Nineveh and preach the message that I tell you.”

Treasury of Scripture Knowledge

Summary

To confirm these days of Purim in their times appointed, according as Mordecai the Jew and Esther the queen had enjoined them, and as they had decreed for themselves and for their seed, the matters of the fastings and their cry.

And for their seed

The fastings

Bible References

And for their seed

Esther 9:27
the Jews bound themselves, their descendants, and all who joined with them to a commitment that they would not fail to celebrate these two days each and every year according to the written instructions and according to the time appointed.

The fastings

Esther 4:3
There was great mourning among the Jewish people in every province where the king’s command and edict came. They fasted, wept, and lamented, and many lay on sackcloth and ashes.
Jonah 3:2
“Get up! Go to the great city of Nineveh and preach the message that I tell you.”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.