Esther 9:31

to establish these days of Purim [to be observed] at their appointed times, just as Mordecai the Jew and Queen Esther had established for them, and as they had established for themselves and for their descendants with instructions regarding their times of fasting and their lamentations (expressions of needing help).

Esther 4:3

In each and every province that the decree and law of the king reached, there was great mourning among the Jews, with fasting, weeping and wailing; and many lay on sackcloth and ashes.

Esther 4:16

“Go, gather all the Jews that are present in Susa, and observe a fast for me; do not eat or drink for three days, night or day. I and my maids also will fast in the same way. Then I will go in to [see] the king [without being summoned], which is against the law; and if I perish, I perish.”

Jonah 3:2-9

“Go to Nineveh the great city and declare to it the message which I am going to tell you.”

Treasury of Scripture Knowledge

Summary

Esther 9:31

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

Esther 9:27

The fastings

Esther 4:3

Jonah 3:2

Bible References

And for their seed

the Jews established and made it a custom for themselves and for their descendants and for all who joined them, so that they would not fail to celebrate these two days as it was written and at the appointed time annually.

The fastings

In each and every province that the decree and law of the king reached, there was great mourning among the Jews, with fasting, weeping and wailing; and many lay on sackcloth and ashes.

“Go to Nineveh the great city and declare to it the message which I am going to tell you.”