Esther 9:31

to establish these days of Purim at their appointed times, just as Mordecai the Jew and Queen Esther had established for them, and just as they had established for themselves and for their descendants with instructions for their times of fasting and their lamentations.

Esther 4:3

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

Esther 4:16

“Go, assemble all the Jews who are found in Susa, and fast for me; do not eat or drink for three days, night or day. I and my maidens also will fast in the same way. And thus I will go in to the king, which is not according to the law; and if I perish, I perish.”

Jonah 3:2-9

“Arise, go to Nineveh the great city and proclaim to it the proclamation 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 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.

The fastings

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

“Arise, go to Nineveh the great city and proclaim to it the proclamation which I am going to tell you.”