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Yom Kippur 5787 · September 21, 2026

The Shape of the Day

A short walk through today's liturgy as it is being prayed, this hour, in every time zone on earth — and where two AFII studies and one very old machzor fit into it

יוֹם הַכִּפֻּרִים

"For on this day shall atonement be made for you, to cleanse you" — Vayikra 16:30

Somewhere on the globe right now — Yerushalayim, the Upper West Side, Buenos Aires, Melbourne — a congregation is standing, sitting, fasting, and moving through a liturgy whose skeleton has not changed in over a thousand years, though a few of its ancient furnishings have quietly gone missing along the way. This exhibit does not repeat the two studies AFII has already published on those missing pieces — it simply shows you where in today's service each one belongs, and hands you the door.

I

One Day, Five Services, One World

Yom Kippur is unique on the Jewish calendar for running five distinct prayer services back to back, from Kol Nidre the evening before through the closing shofar blast at nightfall. The Sephardic-rite machzor at the center of this exhibit — k'Minhag Sefarad — follows this same skeleton, only its Musaf carries a few piyyutim that most modern printings no longer include.

II · Mincha

Why Jonah, This Afternoon

הַפְטָרַת מִנְחָה — סֵפֶר יוֹנָה

Of all 613 days a rabbi could choose, the sages set the entire book of Jonah as the Haftarah for Yom Kippur Mincha — the one slot in the whole year when a congregation, already fasting for most of a day, sits down to hear a complete short story read start to finish. Nineveh's repentance, a prophet swallowed and returned, and a G-d who relents: read at the hour when the fast is heaviest and the gates are said to be narrowing.

AFII's companion study reads Yonah's three days in the fish, and Nineveh's kapporah, against the fuller pattern of the Suffering Servant — without touching the Yom Kippur liturgy itself. That is the file this section hands you.

AFII Study
Yonah as Kapporah: The Sign of the Suffering Servant
Read the full study — the sign Jonah becomes, and how it is read this afternoon at Mincha.
Open the exhibit
III · Musaf

A Name Once Spoken in the Kedushah

מוּסָף — סֵדֶר הָעֲבוֹדָה

Musaf is the longest and most elaborate of the day's services, built around the Avodah — a re-enactment in words of the Kohen Gadol entering the Kodesh HaKodashim once a year, exactly as is remembered today. In the older Sephardic printings of this machzor, the piyyutim woven through Musaf's Kedushah once named three celestial intermediaries side by side, in a passage most machzorim printed after the 1960s–70s no longer carry.

AFII's companion exhibit lays out that prayer, its provenance, and the scholarship around it in full — this page only tells you it belongs here, in this hour of the day, and not elsewhere.

AFII Study
Yeshua Sar ha-Panim — The Prince of the Presence and the Forerunner
Read the full study — the Yehi Ratzon, the Yinnon piyyut, and what a Hebrew University scholar makes of it.
Open the exhibit
IV · The Source

The Machzor Itself

Everything above rests on one physical book: Machzor Rosh Hashanah v'Yom Kippurim k'Minhag Sefarad, printed by the Hebrew Publishing Company on Manhattan's Lower East Side — an entirely mainstream Orthodox press, not a Christian or Messianic one. AFII has made the full scan available rather than ask anyone to take our word for what it says.

Primary Source · PDF Scan
Machzor Rosh Hashanah v'Yom Kippurim k'Minhag Sefarad
Hebrew Publishing Company, New York — the full scanned machzor, page by page.
Open the scan
V · The Greater Source: Tanakh

The Tanakh Itself

Everything above is superceded by this book: Tanakh Hebrew Bible.

Primary Source
Hebrew Tanakh
Hebrew Tanakh
Open the file
VI · THE ORTHODOX HASIDIC YIDDISH TANAKH

The Yiddish Tanakh Itself

Everything above is a preparation for this translation: Yiddish Hebrew Bible.

Primary Source
Yiddish Hebrew Tanakh
Yiddish Hebrew Tanakh
Open the file
VII · THE ORTHODOX YIDDISH TRIGLOT BIBLE

The Yiddish Triglot

Everything above is a preparation for this Triglot: Orthodox Yiddish Triglot.

Primary Source
Yiddish Triglot
Yiddish Triglot
Open the file
VIII · OUR YOM KIPPUR KEHUNAH

The Tanakh Itself

Though Genesis chapter 3 speaks of mankind ejected from the Etz Chayim, there is now a Heavenly Mishkan of Kapporah for all Nations and a Kehunah of the TRUE Melech HaMoshiach we may approach for Forgiveness on Yom Kippur.

Primary Source
Orthodox Jewish Bible
Orthodox Jewish Bible
Open the file
IX · OUR YOM KIPPUR PRAYER

The Tanakh Itself

If we have the Genesis 22:8 faith of Abraham that Hashem will provide the Akeidah, we have assurance of forgiveness when we pray this prayer.

Primary Source
Orthodox Jewish Bible
Orthodox Jewish Bible
Open the file