Month-Naming and Ideology in Esther

Many calendar dates are mentioned in the book of Esther, and the months of the year are specified both by their numbers (counting Nisan as the first month) and by their Babylonian names. A table of every verse mentioning a particular month in Esther, together with its narrative context, reveals that the use of a “compound formula” comprising both numbered and Babylonian-named months is the norm in Esther — in 3:7, 3:12-13, 8:9, and 8:12. However, all mention of numbered months comes to an abrupt end with Esther 9:1, the verse which gives the first indication that Mordechai’s decree had been duly executed. From that point on — 9:15, 9:17, 9:19, and 9:21 — only the Babylonian month-name Adar is used, without the numbering convention.

Those holding the popular academic view that Esther 9 is a later and incongruous addition to the Masoretic text will hardly be surprised by this stylistic discrepancy.¹ Albert D. Friedberg reads chapter 9 as integral to the Masoretic text and views the apparent shift in the formulation of dates as unsurprising, since readers already knew from the opening of chapter 9 that Adar is the twelfth month. This explanation is unconvincing: if the author of Esther could depend on his readers to remember, twenty verses later, that Adar was the twelfth month, why did he find it necessary to repeat that fact in Esther 3:13 when he had mentioned it just six verses earlier in 3:7? Outside of Esther 9, every date in the book mentions the month’s number, and the mystery of the disappearance of this convention in Esther 9 is not solved by Friedberg’s suggestion. This article proposes an explanation that preserves chapter nine as integral to the Masoretic text while building on Aaron Koller’s proposal that Esther expresses a diasporic Jewish ideology developed in response to life under the Persian Empire.

Koller’s Thesis

Koller argues that the book of Esther is informed by an ideology that embraces the new diasporic condition of Jews living as a loyal ethnic minority in the Persian Empire. He describes an imaginary author of Esther whom he calls “Marduka,” who “treasured his Jewish identity, although he mostly wore it privately. Externally, he was entirely Persian. His loyalties were first and foremost to the empire… the sole protectorate of the Jews — and all other loyal people.”² Marduka rejected the refusal to assimilate and the dependence on miracles characteristic of the book of Daniel, and dismissed the Jerusalem-centric ideologies of Ezra, Nehemiah, and the prophets — what Koller calls the “Hebrew-Jerusalem-David-endogamy-Exodus-God complex” that most of Marduka’s colleagues took for granted.

Koller argues that while the Esther story is intentionally crafted to invite comparison with the exodus narrative, the comparison immediately reveals strong contrasts: the predominant role of blatant divine intervention in the exodus stands against God’s notorious absence from Esther. Another difference concerns the nature of time in each story. While the exodus is a watershed event in the great arc of the fulfillment of the covenant with Abraham, Esther is about the Jews being saved from a passing moment of danger in their otherwise static diasporic existence — “the redemption of Esther… lack[s] any real progress.”

The Ideological Background of Numbered Months

The Hebrew Scriptures present an ideologically and theologically charged origin story for the numbered months of the biblical calendar. God, instructing Moses and Aaron on preparations for the exodus, prefaces His instructions with the proclamation, This month shall mark for you the beginning of the months; it shall be the first of the months of the year for you (Ex. 12:2). Later biblical dates refer to months numbered from the month of the exodus, as in Exodus 16:1 and Numbers 1:1. The exodus serves as the central event in Israelite history around which the calendar is organized, and this announcement marks the return of Israelite control over their own time — control lost during their period of servitude — and a return to a historical process that will eventually bring them to Canaan.

Dissonance Between Diaspora Ideology and Numbered Months

The use of numbered months in the Hebrew Scriptures connotes a worldview in complete opposition to that of Koller’s hypothesized author of Esther. Numbered months point toward the exodus, miraculous salvation history, and the beginning of the trek to Canaan, while “Marduka” plays down the exodus, identifies the Persian Empire as the motor of history, and has no interest in emigrating to Judea. This is the message of Esther 9: the Jews have vanquished their enemies and Haman’s temporary disruption of diaspora life has passed, thanks not to divine intervention — God is completely absent from the book — but to Esther and Mordechai’s skillful participation in imperial politics. The happy ending makes no mention of Zion.

The dates of all former holidays on the Israelite calendar, including even the Day of Atonement (Lev. 23:27) and the fasts commemorating Judah’s destruction (Zech. 8:19), are formulated in terms of months numbered from the exodus. Yet Mordechai’s decree instructs the Jews to celebrate Purim on the fourteenth and fifteenth days of Adar, every year (Esther 9:21) — a holiday whose date is completely divorced from the chronology of the exodus event. The disappearance of the numbered months from Esther’s triumphant finale can be seen as signaling the ultimate triumph of “Marduka’s” new diasporic ideology.

Conclusion

The abrupt disappearance of numbered months in Esther 9, rather than pointing to a later addition or scribal inconsistency, tracks a deliberate ideological shift within the book itself: the diasporic victory described in that chapter is better described using the more universal Babylonian month-names than the numbered months that tie Israelite time to the exodus and the trek to Canaan. Read this way, chapter 9’s date-formulations are not evidence against its integrity but rather the clearest expression of the diasporic ideology that pervades the whole of Esther.