Add the Most Holy Name of Jesus (Jan 2) as a proper temporal feast

Historically a floating Sunday (Jan 2-5, fixed to Jan 2 when no Sunday
falls there); per direct instruction this is instead fixed to Jan 2
every year for simplicity. Adds the feast's collect, Magnificat/
Benedictus antiphons, full Lauds psalmody, capitulum, the three-part
"Jesu dulcis memoria" hymn cycle (Vespers/Matins/Lauds), the Invitatory
antiphon, versicles, and two Matins nocturn readings (both St. Bernard
of Clairvaux), sourced from Tempora/Nat2-0.txt. Reuses the `fixed-date`
anchor kind added in the prior commit.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014axryJBrRswYh2niA7WCUc

src/calendar/movable-feasts.ts

@@ -51,6 +51,8 @@ function dateForAnchor(year: number, anchor: MovableAnchor): string {
     }
     case 'nth-sunday-of-advent':
       return addDays(adventStart(year), 7 * (anchor.nth - 1));
+    case 'fixed-date':
+      return toIsoDate({ year, month: anchor.month, day: anchor.day });
   }
 }
 

src/calendar/temporal-feasts.ts

@@ -24,7 +24,8 @@ import { easterOffsetOf } from './temporal';
 export type MovableAnchor =
   | { kind: 'easter'; offset: number }
   | { kind: 'nth-sunday-of-month'; month: number; nth: number } // nth: 1-4, or -1 for "last"
-  | { kind: 'nth-sunday-of-advent'; nth: number }; // nth: 1-4 (Advent always has exactly 4 Sundays)
+  | { kind: 'nth-sunday-of-advent'; nth: number } // nth: 1-4 (Advent always has exactly 4 Sundays)
+  | { kind: 'fixed-date'; month: number; day: number }; // a plain civil-calendar date, not itself Easter- or Advent-anchored (e.g. the Circumcision, Jan 1)
 
 export interface TemporalFeastRecord {
   id: string;

src/data/calendar/temporal-feasts/circumcision.yml

@@ -0,0 +1,27 @@
+# Read from the reference engine: web/www/horas/Latin/Sancti/01-01.txt,
+# untagged/default [Rank] block — "In Circumcisione Domini;;Duplex II
+# classis;;5.09;;ex Sancti/12-25" (the "(rubrica 196)" variant renames the
+# day "Die Octavæ Nativitatis Domini" and raises it to Duplex I classis —
+# 1960-reform text this project deliberately doesn't follow, see CLAUDE.md's
+# pre-1955 calendar/rubrics note).
+#
+# Previously not modeled at all: Jan 1 fell through to the generic
+# `christmastide`/`privileged-feria-minor` treatment with no identity of
+# its own, even though it's the Octave Day proper — closing Christmas's own
+# octave (data/calendar/temporal-feasts/christmas-day.yml), which keeps
+# contributing as a commemoration here the same way it already does on
+# Stephen's/John's/Holy Innocents' days within the octave.
+#
+# `anchor: fixed-date` (2026-08-26 addition to calendar/movable-feasts.ts's
+# MovableAnchor, this being its first user) is what actually makes this
+# win the day — data/calendar/fixed-date-calendar.yml is a red herring for
+# this purpose: it only feeds calendar/temporal.ts's two hardcoded
+# season-boundary lookups (`fixedDateFor('christmas-day')`/`('epiphany')`),
+# not winner resolution at all.
+id: circumcision
+name: "The Circumcision of Our Lord"
+rank: duplex-2-classis
+anchor:
+  kind: fixed-date
+  month: 1
+  day: 1

src/data/calendar/temporal-feasts/holy-name-of-jesus.yml

@@ -0,0 +1,23 @@
+# Read from the reference engine: web/www/horas/Latin/Tempora/Nat2-0.txt,
+# untagged/default [Rank] block — "Duplex 2 class;;5;;" (the Cistercian-
+# rubric variant instead calls it "Duplex majus" — a monastic-lineage
+# ranking this project doesn't otherwise follow for this feast, see
+# CLAUDE.md's pre-1955 calendar/rubrics note). Historically this feast is
+# a floating Sunday (the Sunday falling between Jan 2 and Jan 5
+# inclusive, fixed to Jan 2 itself when no such Sunday occurs) — per
+# direct instruction (2026-08-26) this project instead fixes it
+# unconditionally to Jan 2 every year, trading the historical
+# floating-Sunday anchor for simplicity. Jan 2 itself falls outside
+# Christmas's own Octave (which closes on Jan 1, the Circumcision — see
+# circumcision.yml) and has no other proper content of its own in the
+# reference source, so this doesn't collide with anything.
+# `anchor: fixed-date` — see circumcision.yml's own note on why this,
+# not data/calendar/fixed-date-calendar.yml, is what actually assigns
+# the day.
+id: holy-name-of-jesus
+name: "The Most Holy Name of Jesus"
+rank: duplex-2-classis
+anchor:
+  kind: fixed-date
+  month: 1
+  day: 2

src/data/hours/lauds-psalmody-overrides/circumcision.yml

@@ -0,0 +1,31 @@
+# Read from web/www/horas/Latin/Sancti/01-01.txt's own [Ant Vespera] (5
+# antiphons) via its own [Ant Laudes] rule ("@:Ant Vespera:s/;;.*//g" —
+# the reference engine's own instruction to reuse the Vespers antiphon
+# *text* wholesale at Lauds, stripped of the psalm-number tags that only
+# mattered for Vespers' own Ps 109/112/121/126/147 psalmody). Slotted onto
+# Lauds' own standard 5-antiphon scheme (Ps 92/99/62, the Canticle, and
+# Laudate), matching every other feast's lauds-psalmody-overrides shape —
+# see christ-the-king.yml's own file for the same structure.
+id: circumcision
+groups:
+  - psalms: [92]
+    antiphon:
+      la: "O admirábile commércium: * Creátor géneris humáni, animátum corpus sumens, de Vírgine nasci dignátus est; et procédens homo sine sémine, largítus est nobis suam Deitátem."
+      en: "O wondrous interchange! * the Creator of mankind, taking upon him a living body, vouchsafed to be born of a pure Virgin: and by his Humanity, which was begotten in no earthly wise, hath made us partakers of his Divinity."
+  - psalms: [99]
+    antiphon:
+      la: "Quando natus es * ineffabíliter ex Vírgine, tunc implétæ sunt Scriptúræ: sicut plúvia in vellus descendísti, ut salvum fáceres genus humánum: te laudámus, Deus noster."
+      en: "When thou wast born * all ineffably of a Virgin, then were the Scriptures fulfilled; thou camest down like the dew upon the fleece of wool, to bring salvation unto all mankind; we praise thee, O our God."
+  - psalms: [62]
+    antiphon:
+      la: "Rubum, quem víderat Móyses * incombústum, conservátam agnóvimus tuam laudábilem virginitátem: Dei Génetrix, intercéde pro nobis."
+      en: "In the bush which Moses saw * unconsumed, we recognize the preservation of thy glorious virginity: holy Mother of God, intercede for us."
+canticle:
+  id: canticum-trium-puerorum
+  antiphon:
+    la: "Germinávit radix Jesse, * orta est stella ex Jacob: Virgo péperit Salvatórem; te laudámus, Deus noster."
+    en: "The Root of Jesse hath budded, * the Star hath come out of Jacob, the Virgin hath borne the Saviour: we praise thee, O our God."
+laudate:
+  antiphon:
+    la: "Ecce María génuit * nobis Salvatórem, quem Joánnes videns, exclamávit, dicens: Ecce Agnus Dei, ecce qui tollit peccáta mundi, allelúja."
+    en: "Lo, Mary hath brought forth * the Saviour of whom when John saw him, he did proclaim: Behold the Lamb of God that taketh away the sins of the world, alleluia."

src/data/hours/lauds-psalmody-overrides/holy-name-of-jesus.yml

@@ -0,0 +1,29 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Ant Laudes] (5
+# antiphons, a real proper set for this feast, unlike Circumcision's own
+# borrowed-from-Vespers set) and its English counterpart. Slotted onto
+# Lauds' own standard 5-antiphon scheme (Ps 92/99/62, the Canticle, and
+# Laudate) in source order — see christ-the-king.yml's own file for the
+# same structure.
+id: holy-name-of-jesus
+groups:
+  - psalms: [92]
+    antiphon:
+      la: "Oleum effúsum * nomen tuum, ídeo adolescéntulæ dilexérunt te."
+      en: "Thy Name is as oil * poured forth, therefore do the virgins love thee."
+  - psalms: [99]
+    antiphon:
+      la: "Scitóte, * quia Dóminus ipse est Deus, cujus nomen in ætérnum."
+      en: "Know ye that the Lord he is God, * and his Name endureth for ever."
+  - psalms: [62]
+    antiphon:
+      la: "Sitívit * ánima mea ad nomen sanctum tuum, Dómine."
+      en: "My soul thirsteth * for thy holy Name, O Lord."
+canticle:
+  id: canticum-trium-puerorum
+  antiphon:
+    la: "Benedíctum * nomen glóriæ tuæ sanctum, et laudábile, et superexaltátum in sǽcula."
+    en: "Blessed * is the holy Name of thy glory, and worthy to be praised, and exalted above all for ever."
+laudate:
+  antiphon:
+    la: "Júvenes et vírgines, * senes cum junióribus laudáte nomen Dómini, quia exaltátum est nomen ejus solíus."
+    en: "Young men and maidens, * old men and children, praise the Name of the Lord, for his Name alone is exalted."

src/data/propers/common/lauds-capitulum-circumcision.yml

@@ -0,0 +1,16 @@
+# Read from web/www/horas/Latin/Sancti/01-01.txt's own [Capitulum Laudes]
+# and its English counterpart. Also serves Vespers (see
+# hours/vespers.ts's vespersCapitulumForOverride: no distinct
+# `vespers-capitulum-circumcision` file exists in the source either — the
+# reference engine reuses this same chapter at both hours, same pattern
+# already established for every other feast this project has authored).
+id: lauds-capitulum-circumcision
+text:
+  la: "Fratres: Appáruit grátia Dei Salvatóris nostri ómnibus homínibus, erúdiens nos, ut abnegántes impietátem, et sæculária desidéria, sóbrie, et juste, et pie vivámus in hoc sǽculo."
+  en: "Brethren: The grace of God that bringeth salvation hath appeared to all men, teaching us that, denying ungodliness and worldly lusts, we should live soberly, righteously, and godly in this present world."
+citation:
+  la: "Tit 2:11-12"
+  en: "Tit 2:11-12"
+status:
+  la: verified
+  en: verified

src/data/propers/common/lauds-capitulum-holy-name-of-jesus.yml

@@ -0,0 +1,15 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Capitulum
+# Laudes] and its English counterpart. Also serves Vespers (see
+# hours/vespers.ts's vespersCapitulumForOverride) -- no distinct
+# `vespers-capitulum-holy-name-of-jesus` file exists in the source
+# either, same pattern as every other feast authored so far.
+id: lauds-capitulum-holy-name-of-jesus
+text:
+  la: "Fratres: Christus humiliávit semetípsum, factus obédiens usque ad mortem, mortem autem crucis. Propter quod et Deus exaltávit illum, et donávit illi nomen, quod est super omne nomen, ut in nómine Jesu omne genu flectátur."
+  en: "Brethren: Christ humbled himself, becoming obedient unto death, even to the death of the cross. For which cause God also hath exalted him, and hath given him a name which is above all names: that in the name of Jesus every knee should bow."
+citation:
+  la: "Phil 2:8-10"
+  en: "Phil 2:8-10"
+status:
+  la: verified
+  en: verified

src/data/propers/common/lauds-hymn-holy-name-of-jesus.yml

@@ -0,0 +1,61 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Hymnus Laudes]
+# ("Jesu, decus angélicum") and its English counterpart -- the third of
+# the three-part "Jesu dulcis memoria" hymn cycle (see the -matins- and
+# -vespers- sibling files for the other two parts).
+id: lauds-hymn-holy-name-of-jesus
+text:
+  la: |
+    Jesu, decus angélicum,
+    In aure dulce cánticum,
+    In ore mel miríficum,
+    In corde nectar cǽlicum.
+
+    Qui te gustant, esúriunt;
+    Qui bibunt, adhuc sítiunt;
+    Desideráre nésciunt,
+    Nisi Jesum, quem díligunt.
+
+    O Jesu mi dulcíssime,
+    Spes suspirántis ánimæ!
+    Te quærunt piæ lácrimæ,
+    Te clamor mentis íntimæ.
+
+    Mane nobíscum, Dómine,
+    Et nos illústra lúmine;
+    Pulsa mentis calígine,
+    Mundum reple dulcédine.
+
+    Jesu, flos Matris Vírginis,
+    Amor nostræ dulcédinis,
+    Tibi laus, honor nóminis,
+    Regnum beatitúdinis.
+    Amen.
+  en: |
+    O Jesu, thou the beauty art
+    Of angel worlds above;
+    Thy Name is music to the heart,
+    Enchanting it with love.
+
+    Celestial sweetness unalloyed,
+    Who eat thee hunger still;
+    Who drink of thee still feel a void,
+    Which naught but thou canst fill.
+
+    O my sweet Jesu, hear the sigh
+    Which unto thee I send;
+    To thee mine inmost spirit cries,
+    My being's hope and end.
+
+    Stay with us, Lord, and with thy light
+    Illume the soul's abyss;
+    Scatter the darkness of our night,
+    And fill the world with bliss.
+
+    O Jesu, spotless Virgin's flower,
+    Our life and joy art thou;
+    To thee be praise, and might, and power,
+    Through all eternity.
+    Amen.
+status:
+  la: verified
+  en: verified

src/data/propers/common/lauds-versicle-circumcision.yml

@@ -0,0 +1,9 @@
+# See vespers-versicle-circumcision.yml's own note — the source's own
+# [Versum 2] is "@:Versum 1", the identical text reused at Lauds.
+id: lauds-versicle-circumcision
+text:
+  la: "V. Verbum caro factum est, allelúja.\nR. Et habitávit in nobis, allelúja."
+  en: "V. The Word was made flesh, alleluia.\nR. And dwelt among us, alleluia."
+status:
+  la: verified
+  en: verified

src/data/propers/common/lauds-versicle-holy-name-of-jesus.yml

@@ -0,0 +1,11 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Versum 2]
+# ("@:Versum Nona: s/[\,\.] al.*/./ig" -- reuses [Versum Nona]'s own text
+# with the trailing ", allelúja" stripped) and its English counterpart,
+# same transform applied.
+id: lauds-versicle-holy-name-of-jesus
+text:
+  la: "V. Adjutórium nostrum in nómine Dómini.\nR. Qui fecit cælum et terram."
+  en: "V. Our help is in the Name of the Lord.\nR. Who made heaven and earth."
+status:
+  la: verified
+  en: verified

src/data/propers/common/matins-hymn-holy-name-of-jesus.yml

@@ -0,0 +1,62 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Hymnus
+# Matutinum] ("Jesu, Rex admirábilis") and its English counterpart -- the
+# second of the three-part "Jesu dulcis memoria" hymn cycle traditionally
+# divided across Vespers/Matins/Lauds of this feast (see the -vespers- and
+# -lauds- sibling files for the other two parts).
+id: matins-hymn-holy-name-of-jesus
+text:
+  la: |
+    Jesu, Rex admirábilis,
+    Et triumphátor nóbilis,
+    Dulcédo ineffábilis,
+    Totus desiderábilis.
+
+    Quando cor nostrum vísitas,
+    Tunc lucet ei véritas,
+    Mundi viléscit vánitas,
+    Et intus fervet cáritas.
+
+    Jesu, dulcédo córdium,
+    Fons vivus, lumen méntium,
+    Excédens omne gáudium,
+    Et omne desidérium.
+
+    Jesum omnes agnóscite,
+    Amórem ejus póscite:
+    Jesum ardénter quǽrite,
+    Quæréndo inardéscite.
+
+    Te nostra, Jesu, vox sonet,
+    Nostri te mores éxprimant,
+    Te corda nostra díligant,
+    Et nunc, et in perpétuum.
+    Amen.
+  en: |
+    O Jesu, King most wonderful,
+    Thou conqueror renowned,
+    Thou sweetness most ineffable,
+    In whom all joys are found!
+
+    When once thou visitest the heart,
+    Then truth begins to shine;
+    Then earthly vanities depart;
+    Then kindles love divine.
+
+    O Jesu, light of all below,
+    Thou fount of life and fire,
+    Surpassing all the joys we know,
+    And all we can desire:
+
+    May every heart confess thy Name,
+    And ever thee adore;
+    And, seeking thee, itself inflame
+    To seek thee more and more.
+
+    Thee may our tongues forever bless;
+    Thee may we love alone;
+    And ever in our lives express
+    The image of thine own.
+    Amen.
+status:
+  la: verified
+  en: verified

src/data/propers/common/matins-invitatory-holy-name-of-jesus.yml

@@ -0,0 +1,9 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Invit] and its
+# English counterpart.
+id: matins-invitatory-holy-name-of-jesus
+text:
+  la: "Admirábile nomen Jesu, quod est super omne nomen, * Veníte, adorémus."
+  en: "The Name which shall be called Wonderful, the Name of Jesus is the Name which is above every name; * O come, let us worship him."
+status:
+  la: verified
+  en: verified

src/data/propers/common/vespers-hymn-holy-name-of-jesus.yml

@@ -0,0 +1,61 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Hymnus
+# Vespera] ("Jesu, dulcis memória") and its English counterpart -- the
+# first of the three-part "Jesu dulcis memoria" hymn cycle (see the
+# -matins- and -lauds- sibling files for the other two parts).
+id: vespers-hymn-holy-name-of-jesus
+text:
+  la: |
+    Jesu, dulcis memória,
+    Dans vera cordis gáudia:
+    Sed super mel, et ómnia,
+    Ejus dulcis præséntia.
+
+    Nil cánitur suávius,
+    Nil audítur jucúndius,
+    Nil cogitátur dúlcius,
+    Quam Jesus Dei Fílius.
+
+    Jesu, spes pœniténtibus,
+    Quam pius es peténtibus!
+    Quam bonus te quæréntibus!
+    Sed quid inveniéntibus?
+
+    Nec lingua valet dícere,
+    Nec líttera exprímere:
+    Expértus potest crédere,
+    Quid sit Jesum dilígere.
+
+    Sis, Jesu, nostrum gáudium,
+    Qui es futúrus prǽmium:
+    Sit nostra in te glória,
+    Per cuncta semper sǽcula.
+    Amen.
+  en: |
+    Jesu, the very thought of thee,
+    With sweetness fills my breast;
+    But sweeter far thy face to see,
+    And in thy presence rest.
+
+    Nor voice can sing, nor heart can frame,
+    Nor can the memory find,
+    A sweeter sound than thy blest Name,
+    O Saviour of mankind.
+
+    O hope of every contrite heart,
+    O joy of all the meek,
+    To those who fall, how kind thou art;
+    How good to those who seek.
+
+    But what to those who find? This truth
+    No tongue nor pen can show:
+    The love of Jesus, what it is,
+    None but his loved ones know.
+
+    Jesu, our only joy be thou,
+    As thou our prize wilt be;
+    Jesu, be thou our glory now,
+    And through eternity.
+    Amen.
+status:
+  la: verified
+  en: verified

src/data/propers/common/vespers-versicle-circumcision.yml

@@ -0,0 +1,11 @@
+# Read from web/www/horas/Latin/Sancti/01-01.txt's own [Versum 1] (a
+# cross-file reference to web/www/horas/Latin/Tempora/Nat1-0.txt's own
+# [Versum 1]) and its English counterpart. Also serves Lauds — the
+# source's own [Versum 2] is "@:Versum 1", the identical text reused.
+id: vespers-versicle-circumcision
+text:
+  la: "V. Verbum caro factum est, allelúja.\nR. Et habitávit in nobis, allelúja."
+  en: "V. The Word was made flesh, alleluia.\nR. And dwelt among us, alleluia."
+status:
+  la: verified
+  en: verified

src/data/propers/common/vespers-versicle-holy-name-of-jesus.yml

@@ -0,0 +1,9 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Versum 1] and
+# its English counterpart.
+id: vespers-versicle-holy-name-of-jesus
+text:
+  la: "V. Sit nomen Dómini benedíctum, allelúja.\nR. Ex hoc nunc et usque in sǽculum, allelúja."
+  en: "V. Blessed be the Name of the Lord, alleluia.\nR. From this time forth, and for evermore, alleluia."
+status:
+  la: verified
+  en: verified

src/data/propers/nocturn-readings/circumcision.yml

@@ -0,0 +1,166 @@
+# Matins Nocturn 2-3 readings for the Circumcision of Our Lord (Jan 1).
+# Sourced directly from web/www/horas/Latin/Sancti/01-01.txt,
+# English/Sancti/01-01.txt.
+# Nocturn 2: Lectio4-6, a sermon of St. Leo the Great on the Nativity
+# (this feast's own [Rule] reuses Christmas's own backbone, "ex
+# Sancti/12-25" — this is that same sermon), combined into one reading
+# per this project's own condensed-Matins convention (see nearby
+# immaculate-heart-of-mary.yml). Nocturn 3: the Gospel citation ends
+# "Et réliqua"/"And so on" with no full pericope given — per the
+# bare-incipit convention, only the homily (Lectio7-9, St. Ambrose) is
+# authored, isGospel: false, no citation field.
+id: circumcision
+readings:
+  - nocturn: 2
+    isGospel: false
+    source: "St. Leo the Great, Sermon 7 on the Nativity"
+    text:
+      la: >-
+        Festivitátis hodiérnæ, dilectíssimi, verus venerátor est, et pius
+        cultor, qui nec de Incarnatióne Dómini áliquid falsum, nec de
+        Deitáte áliquid sentit indígnum. Paris enim perículi malum est, si
+        illi aut natúræ nostræ véritas, aut Patérnæ glóriæ negátur
+        æquálitas. Cum ergo ad intellegéndum sacraméntum nativitátis Christi,
+        qua de Matre vírgine est ortus, accédimus, abigátur procul
+        terrenárum calígo ratiónum, et ab illuminátæ fídei óculo mundánæ
+        sapiéntiæ fumus abscédat.
+
+
+        Divína est enim auctóritas, cui crédimus: divína est doctrína, quam
+        séquimur. Quóniam sive legis testificatióni, sive oráculis
+        prophetárum, sive evangélicæ tubæ interiórem admoveámus audítum;
+        verum est, quod Joánnes plenus Spíritu Sancto intónuit: In princípio
+        erat Verbum, et Verbum erat apud Deum, et Deus erat Verbum. Hoc erat
+        in princípio apud Deum. Omnia per ipsum facta sunt, et sine ipso
+        factum est nihil. Et simíliter verum est, quod idem prædicátor
+        adjécit: Verbum caro factum est et habitávit in nobis: et vídimus
+        glóriam ejus, glóriam quasi Unigéniti a Patre.
+
+
+        In utráque ergo natúra idem est Dei Fílius, nostra suscípiens, et
+        própria non amíttens: in hómine hóminem rénovans, in se
+        incommutábilis persevérans. Déitas enim, quæ illi cum Patre
+        commúnis est, nullum detriméntum omnipoténtiæ súbiit, nec Dei formam
+        servi forma violávit: quia summa et sempitérna esséntia, quæ se ad
+        humáni géneris inclinávit salútem, nos quidem in suam glóriam
+        tránstulit, sed quod erat, esse non déstitit. Unde cum Unigénitus
+        Dei minórem se Patre confitétur, cui se dicit æquálem, veritátem in
+        se formæ utriúsque demónstrat: ut et humánam probet imparílitas, et
+        divínam decláret æquálitas.
+      en: >-
+        Dearly beloved brethren, whosoever will keep truly and honour piously
+        this day's festival, it is necessary for him neither to think
+        falsely of the Lord's Incarnation, nor meanly of the Lord's Godhead.
+        For as there is danger, on the one hand, of denying the truth of
+        Christ's participation of our nature, so is there no less danger, on
+        the other, of doing despite to the equality of his glory with the
+        glory of the Father. Wherefore, when we draw near to understand the
+        mystery of Christ's Birth, wherein he was born of the Virgin Mary,
+        we must leave the clouds of earthly imagination behind and pierce
+        the fog of human wisdom with the eye of enlightened faith.
+
+
+        The authority on which we believe is the authority of God himself;
+        the teaching which we follow is the teaching of God himself.
+        Wherefore whether we lend the ear of our mind to the testimony of
+        the Law, or to the revelations of the Prophets, or to the full
+        pealing of the Gospel trumpet, that is true, which John the Son of
+        Thunder uttered, when he was filled with the Holy Ghost, and said:
+        In the beginning was the Word, and the Word was with God, and the
+        Word was God. The Same was in the beginning with God. All things
+        were made by him, and without him was not anything made. True also
+        is his witness when he saith: The Word was made Flesh, and dwelt
+        among us, and we beheld his glory, the glory as of the Only-begotten
+        of the Father.
+
+
+        The Person of the Son of God therefore remaineth unchanged and one,
+        though he have two natures, keeping his own, and taking ours. He
+        appeareth as man to be the restorer of men, but abideth all the
+        while in his immutable Godhead. That Godhead which he shareth with
+        the Father was not a whit the less Almighty, nor did the form of a
+        servant touch the form of God to derogate from it. The Most High
+        and Everlasting Being, bending down for man's salvation, took the
+        Manhood into his glory; he ceased not to be that which he is from
+        everlasting. Hence we see the Only-begotten Son of God in one place
+        confessing that the Father is greater than he, and in another
+        declaring that he and the Father are One. This is an evident proof
+        of the distinction of his two natures, and the unity of his Person;
+        for he is inferior to the Father as touching his Manhood, and yet
+        equal to the Father as touching his Godhead, and yet, though he be
+        God and Man, he is not two, but One Christ.
+    status: { la: verified, en: verified }
+
+  - nocturn: 3
+    isGospel: false
+    source: "St. Ambrose, Commentary on Luke, Book II"
+    text:
+      la: >-
+        Circumcíditur ítaque Puer. Quis est iste puer, nisi ille, de quo
+        dictum est: Puer natus est nobis, Fílius datus est nobis? Factus est
+        enim sub lege, ut eos, qui sub lege essent, lucrifáceret. Ut sísterent
+        eum Dómino. Quid sit autem in Jerúsalem sisti Dómino, dícerem, nisi
+        in Isaíæ comméntis ante dixíssem. Circumcísus enim vítiis, Domínico
+        dignus judicátur obtútu; quia, Oculi Dómini super justos. Vides
+        omnem legis véteris sériem fuísse typum futúri: nam et circumcísio
+        purgatiónem signíficat delictórum.
+
+
+        Sed quóniam prona quadam cupiditáte peccándi, humánæ carnis et
+        mentis fragílitas inextricabílibus vítiis implicátur, eo per
+        octávum circumcisiónis diem culpæ totíus futúra purgátio,
+        resurrectiónis præfigurabátur ætáte. Hoc est enim illud: Quia omne
+        masculínum adapériens vulvam, sanctum Dómino vocábitur. Verbis enim
+        legis promittebátur Vírginis partus. Et vere sanctus, quia
+        immaculátus. Dénique ipsum esse, qui lege signétur, in eúndem modum
+        ab Angelo repetíta verba declárant: Quod nascétur, inquit, Sanctum,
+        vocábitur Fílius Dei.
+
+
+        Solus enim per ómnia ex natis de fémina sanctus Dóminus Jesus, qui
+        terrénæ contágia corruptélæ, immaculáti partus novitáte non
+        sénserit, et cælésti majestáte depúlerit. Nam si lítteram sequámur:
+        quómodo sanctus omnis másculus, cum multos sceleratíssimos fuísse
+        non láteat? Numquid sanctus Achab? numquid sancti pseudoprophétæ,
+        quos ad Elíæ preces ultor cæléstis injúriæ ignis absúmpsit? Sed ille
+        sanctus, quem in figúra futúri mystérii pia legis divínæ præscrípta
+        signábant; eo quod solus sanctæ Ecclésiæ vírginis ad generándos
+        pópulos Dei, immaculátæ fecunditátis aperíret genitále secrétum.
+      en: >-
+        So the Child is circumcised. This is the Child of whom it is said:
+        Unto us a Child is born, unto us a Son is given. Made under the law
+        to redeem them that were under the law. To present him to the Lord.
+        What it means in Jerusalem to be presented to the Lord I have
+        already explained in my Commentary on Isaiah, and therefore I will
+        not enter into the subject again. He that is circumcised in heart
+        gaineth the protection of God, for the eyes of the Lord are upon the
+        righteous. Ye will see that as all the ceremonies of the old law
+        were types of realities in the new, so the circumcision of the body
+        signified the cleansing of the heart from the guilt of sin.
+
+
+        But since the body and mind of man remain yet infected with a
+        proneness to sin, the circumcision of the eighth day is also a type
+        of that complete cleansing from sin which we shall have at the
+        resurrection. This ceremony was also performed in obedience to the
+        commandment of God: Every male that openeth the womb shall be
+        called holy unto the Lord. These words were written with especial
+        reference to the delivery of the Blessed Virgin. Truly he That
+        opened her womb was holy, for he was altogether without spot, and
+        we may gather that the law was written specially for him from the
+        words of the Angel: That Holy Thing which shall be born of thee,
+        shall be called the Son of God.
+
+
+        Among all that are born of women the Lord Jesus Christ stood alone
+        in holiness. Fresh from his immaculate Birth, he felt no contagion
+        from human corruption, and his heavenly Majesty drove it away. If we
+        are to follow the letter and say that every male that openeth the
+        womb is holy, how shall we explain that so many have been
+        unrighteous? Was Ahab holy? Were the false prophets holy? Were they
+        holy on whom Elijah justly called down fire from heaven? But he to
+        whom the sacred commandment of the law of God is mystically
+        directed is the Holy One of Israel; who also alone hath opened the
+        secret womb of his holy Virgin-bride the Church, filling her with a
+        sinless fruitfulness to give birth to Christian souls.
+    status: { la: verified, en: verified }

src/data/propers/nocturn-readings/holy-name-of-jesus.yml

@@ -0,0 +1,175 @@
+# Matins Nocturn 2-3 readings for the Most Holy Name of Jesus (Jan 2).
+# Sourced directly from web/www/horas/Latin/Tempora/Nat2-0.txt,
+# English/Tempora/Nat2-0.txt.
+# Nocturn 2: Lectio4-6, a sermon of St. Bernard of Clairvaux on the
+# Song of Songs, combined into one reading per this project's own
+# condensed-Matins convention (see nearby circumcision.yml/
+# immaculate-heart-of-mary.yml). Nocturn 3: the Gospel citation ends
+# "Et réliqua"/"And so on" with no full pericope given -- per the
+# bare-incipit convention, only the homily (Lectio7-9, also St.
+# Bernard, on the Circumcision) is authored, isGospel: false, no
+# citation field.
+id: holy-name-of-jesus
+readings:
+  - nocturn: 2
+    isGospel: false
+    source: "St. Bernard of Clairvaux, Sermon 15 on the Song of Songs"
+    text:
+      la: >-
+        Non otióse Spíritus Sanctus nomen Sponsi óleo cómparat, cum ita
+        dóceat sponsam ad Sponsum clamáre: Oleum effúsum nomen tuum. Oleum
+        enim lucet, pascit et ungit. Fovet ignem, nutrit carnem, lenit
+        dolórem: lux, cibus, medicína. Vide idem nunc et de Sponsi nómine:
+        Lucet prædicátum, pascit recogitátum, invocátum lenit et ungit. Et
+        percurrámus síngula. Unde putas in toto orbe tanta et tam súbita
+        fídei lux, nisi de prædicáto nómine Jesu? Nonne in hujus nóminis
+        luce Deus nos vocávit in admirábile lumen suum; quibus illuminátis,
+        et in lúmine isto vidéntibus lumen, dicat mérito Paulus: Fuístis
+        aliquándo ténebræ, nunc autem lux in Dómino?
+
+
+        Hoc dénique nomen coram régibus, et géntibus, et fíliis Israël
+        portáre jussus est idem Apóstolus; et portábat nomen tamquam lumen,
+        et illuminábat pátriam, et clamábat ubíque: Nox præcéssit, dies
+        autem appropinquávit. Abiciámus ergo ópera tenebrárum, et induámur
+        arma lucis, sicut in die honéste ambulémus. Et monstrábat ómnibus
+        lucérnam super candelábrum, annúntians in omni loco Jesum, et hunc
+        crucifíxum. Quómodo lux ista resplénduit ac perstrínxit cunctórum
+        intuéntium óculos, quando de ore Petri, tamquam fulgur egrédiens,
+        claudi uníus corporáles plantas solidávit et bases, multósque
+        spirituáliter cæcos illuminávit? Numquid non ignem sparsit, cum
+        ait: In nómine Jesu Christi Nazaréni surge et ámbula?
+
+
+        Nec tantum lux est nomen Jesu, sed est et cibus. An non tóties
+        confortáris, quóties recordáris? Quid æque mentem cogitántis
+        impínguat? Quid ita exercitátos réparat sensus, virtútes róborat,
+        végetat mores bonos atque honéstos, castas fovet affectiónes?
+        Aridus est omnis ánimæ cibus, si non óleo isto infúnditur;
+        insípidus est, si non hoc sale condítur. Si scribas, non sapit
+        mihi, nisi légero ibi Jesum. Si dísputes aut cónferas, non sapit
+        mihi, nisi sonúerit ibi Jesus. Jesus mel in ore, in aure melos, in
+        corde júbilus. Sed est et medicína. Tristátur áliquis nostrum?
+        Véniat in cor ejus Jesus, et inde sáliat in os. Et ecce ad exórtum
+        nóminis lumen, núbilum omne díffugit, redit serénum. Lábitur quis
+        in crimen? currit ínsuper ad láqueum mortis desperándo? Nonne, si
+        ínvocet nomen vitæ, conféstim respirábit ad vitam?
+      en: >-
+        It is not idly that the Holy Ghost likeneth the Name of the
+        Bridegroom to oil, when he maketh the Bride say to the Bridegroom:
+        thy Name is as oil poured forth. Oil indeed giveth light, meat, and
+        unction. It feedeth fire, it nourisheth the flesh, it sootheth
+        pain; it is light, food, and healing. Behold, thus also is the
+        Name of the Bridegroom. To preach it is to give light; to think of
+        it is to feed the soul; to call on it is to win grace and unction.
+        Let us take it point by point. What, thinkest thou, hath made the
+        light of faith so suddenly and so brightly to shine in the whole
+        world but the preaching of the Name of Jesus? Is it not in the
+        light of this Name that God hath called us into his marvellous
+        light, even that light wherewith we, being enlightened, and in his
+        light seeing light, Paul saith truly of us: Ye were sometimes
+        darkness, but now are ye light in the Lord?
+
+
+        This is the Name which the Apostle was commanded to bear before
+        Gentiles, and kings, and the children of Israel, the Name which he
+        bore as a light to enlighten his people, crying everywhere: The
+        night is far spent, the day is at hand; let us therefore cast off
+        the works of darkness, and let us put on the armour of light, let
+        us walk honestly as in the daylight. He pointed out to all that
+        candle set upon a candlestick, preaching in every place Jesus and
+        him crucified. How did that Name shine forth and dazzle every eye
+        that beheld it, when it came like lightning out of the mouth of
+        Peter to give bodily strength to the feet of the lame man, and to
+        clear the sight of many a blind soul? Cast he not fire when he
+        said: In the Name of Jesus Christ of Nazareth, rise up and walk?
+
+
+        The Name of Jesus is not a Name of light only, but it is meat
+        also. Dost thou ever call it to mind, and remain unstrengthened?
+        Is there anything like it to enrich the soul of him that thinketh
+        of it? What is there like it to restore the weakened senses, to
+        fortify strength, to give birth to good lives and pure affections?
+        The soul is fed on husks if that whereon it feedeth lack
+        seasoning with this salt. If thou writest, thou hast no meaning
+        for me if I read not of Jesus there. If thou preach, or dispute,
+        thou hast no meaning for me if I hear not of Jesus there. The
+        mention of Jesus is honey in the mouth, music in the ear, and
+        gladness in the heart. It is our healing too. Is any sorrowful
+        among us? Let the thought of Jesus come into his heart, and spring
+        to his mouth. Behold, when the day of that Name beginneth to
+        break, every cloud will flee away, and there will be a great calm.
+        Doth any fall into sin? Doth any draw nigh to a hopeless death?
+        And if he but call on the life-giving Name of Jesus, will he not
+        draw the breath of a new life again?
+    status: { la: verified, en: verified }
+
+  - nocturn: 3
+    isGospel: false
+    source: "St. Bernard of Clairvaux, Sermon 1 on the Circumcision"
+    text:
+      la: >-
+        Magnum et mirábile sacraméntum! Circumcíditur Puer, et vocátur
+        Jesus. Quid sibi vult ista connéxio? Circumcísio nempe magis
+        salvándi, quam Salvatóris esse vidétur; et Salvatórem circumcídere
+        pótius decet, quam circumcídi. Sed agnósce mediatórem Dei et
+        hóminum, qui ab ipso nativitátis suæ exórdio divínis humána
+        sóciat, ima summis. Náscitur ex mulíere, sed cui fecunditátis
+        fructus sic accédat, ut non décidat flos virginitátis. Pannis
+        invólvitur; sed panni ipsi angélicis láudibus honorántur.
+        Abscónditur in præsépio; sed próditur radiánte stella de cælo. Sic
+        et circumcísio veritátem suscéptæ probat humanitátis; et nomen,
+        quod est super omne nomen, glóriam índicat majestátis.
+        Circumcíditur tamquam verus Abrahæ fílius; Jesus vocátur tamquam
+        verus Fílius Dei.
+
+
+        Mérito sane, dum circumcíditur puer, qui natus est nobis, Salvátor
+        vocátur; quod vidélicet ex hoc jam cœperit operári salútem
+        nostram, immaculátum illum pro nobis sánguinem fundens. Neque enim
+        jam quǽrere est Christiánis, cur volúerit Dóminus Christus
+        circumcídi. Propter hoc síquidem circumcísus est, propter quod
+        natus, propter quod passus. Nihil horum propter se, sed ómnia
+        propter eléctos. Nec in peccáto génitus, nec a peccáto
+        circumcísus, nec mórtuus est pro peccáto suo; magis autem propter
+        delícta nostra. Quod vocátum est, inquit, ab Angelo, priúsquam in
+        útero conciperétur. Vocátum plane, non impósitum: nempe hoc ei
+        nomen est ab ætérno. A natúra própria habet, ut sit Salvátor:
+        innátum est ei nomen hoc, non índitum ab humána vel angélica
+        creatúra.
+      en: >-
+        Behold a mystery, great and full of wonder! The Child is
+        circumcised, and his Name is called Jesus. Why are these two
+        things thus mentioned together? It would seem that circumcision
+        should rather be for the saved than for the Saviour; that the
+        Saviour ought rather to be Circumciser than circumcised. But
+        behold here the Mediator between God and men, how even from his
+        childhood he joineth the things of the Highest to the things of
+        the lowest, the things of God to the things of men. He is born of
+        a woman, but her womb is made fruitful without the loss of the
+        flower of her virginity. He is wrapped in swaddling-bands, but
+        these swaddling-bands are a theme for the jubilation of angels. He
+        is laid in a manger, but a bright star standeth in heaven over the
+        place. So also in his circumcision, the ceremony gave proof of the
+        reality of the Manhood which he had taken, and that Name which is
+        above every name proclaimed the glory of his blessed Majesty. As
+        very son of Abraham he underwent circumcision; he assumed the Name
+        of Jesus as very Son of God.
+
+
+        It is no wonder that it should be at his circumcision that the
+        Name of Jesus, being interpreted Saviour, is given to the Child
+        who is born unto us, for it was then that he for the first time
+        shed that sinless Blood which is the means whereby he hath chosen
+        to work out our salvation. It is no matter for the speculation of
+        Christians why the Lord Christ was pleased to be circumcised. He
+        was circumcised for the same reason for which he was born, and for
+        which he suffered. Neither one nor the other was for himself, but
+        all for the sake of the elect. He was not born in sin; he was not
+        circumcised to separate him from sin; neither did he die for sins
+        of his own, but for ours. His Name, it is written, was called
+        Jesus, which was so named of the Angel before he was conceived in
+        the womb. The Angel gave him that title, but not for the first
+        time: Saviour is his Name from everlasting; he hath it of his own
+        proper nature to save.
+    status: { la: verified, en: verified }

src/data/propers/temporal/circumcision-benedictus-antiphon.yml

@@ -0,0 +1,14 @@
+# Read from web/www/horas/Latin/Sancti/01-01.txt's own [Ant 2] (the
+# antiphon slotted right after Lauds' [Capitulum Laudes]/[Versum 2], i.e.
+# Lauds' own Benedictus antiphon) and its English counterpart. The source
+# also carries a distinct [Ant 3] ("Magnum hereditátis mystérium...") for
+# Second Vespers' own Magnificat antiphon — not modeled here since this
+# project's magnificat-antiphon lookup doesn't distinguish First/Second
+# Vespers (see hours/resolve-common.ts's getMagnificatAntiphon).
+id: circumcision-benedictus-antiphon
+text:
+  la: "Mirábile mystérium * declarátur hódie: innovántur natúræ, Deus homo factus est: id quod fuit permánsit, et quod non erat assúmpsit; non commixtiónem passus, neque divisiónem."
+  en: "This day is set forth a wonderful mystery, * a new thing hath been created in the earth: God is made man. That which he was, he remaineth; and that which he was not, he taketh; suffering therein neither confusion nor division."
+status:
+  la: verified
+  en: verified

src/data/propers/temporal/circumcision-collect.yml

@@ -0,0 +1,20 @@
+# Read from the reference engine: web/www/horas/Latin/Sancti/01-01.txt and
+# web/www/horas/English/Sancti/01-01.txt's own [Oratio] — the day's proper
+# collect (addressed to the Virgin's fruitful motherhood, not the
+# Circumcision itself directly, per the feast's own traditional Marian
+# framing in this slot).
+id: circumcision-collect
+text:
+  la: |
+    Orémus.
+    Deus, qui salútis ætérnæ, beátæ Maríæ virginitáte fecúnda, humáno géneri prǽmia præstitísti: tríbue, quǽsumus; ut ipsam pro nobis intercédere sentiámus, per quam merúimus auctórem vitæ suscípere, Dóminum nostrum Jesum Christum Fílium tuum:
+    Qui tecum vivit et regnat in unitáte Spíritus Sancti, Deus, per ómnia sǽcula sæculórum.
+    R. Amen.
+  en: |
+    Let us pray.
+    O God, who, by the fruitful virginity of the Blessed Mary, hast given unto mankind the rewards of everlasting life; grant, we beseech thee, that we may continually feel the might of her intercession, through whom we have worthily received the Author of our life, our Lord Jesus Christ, thy Son:
+    Who with thee liveth and reigneth, in the unity of the Holy Spirit, God, world without end.
+    R. Amen.
+status:
+  la: verified
+  en: verified

src/data/propers/temporal/circumcision-magnificat-antiphon.yml

@@ -0,0 +1,10 @@
+# Read from web/www/horas/Latin/Sancti/01-01.txt's own [Ant 1] (the
+# antiphon slotted between the day's [Versum 1] and [Oratio], i.e. First
+# Vespers' own Magnificat antiphon) and its English counterpart.
+id: circumcision-magnificat-antiphon
+text:
+  la: "Propter nímiam * caritátem suam, qua diléxit nos Deus, Fílium suum misit in similitúdinem carnis peccáti, allelúja."
+  en: "God, for his great love * wherewith he loved us, sent his own Son in the likeness of sinful flesh, alleluia."
+status:
+  la: verified
+  en: verified

src/data/propers/temporal/holy-name-of-jesus-benedictus-antiphon.yml

@@ -0,0 +1,13 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Ant 2] (the
+# antiphon slotted after [Hymnus Laudes], i.e. Lauds' own Benedictus
+# antiphon) and its English counterpart. The source also carries a
+# distinct [Ant 3] ("Thou shalt call his Name Jesus...") for Second
+# Vespers' own Magnificat antiphon -- not modeled here, same reason as
+# circumcision-benedictus-antiphon.yml's own note.
+id: holy-name-of-jesus-benedictus-antiphon
+text:
+  la: "Dedit se, * ut liberáret pópulum, et acquíreret sibi nomen ætérnum, allelúja."
+  en: "He gave himself * to deliver his people, and to get himself an everlasting Name, alleluia."
+status:
+  la: verified
+  en: verified

src/data/propers/temporal/holy-name-of-jesus-collect.yml

@@ -0,0 +1,17 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt and its English
+# counterpart's own [Oratio].
+id: holy-name-of-jesus-collect
+text:
+  la: |
+    Orémus.
+    Deus, qui unigénitum Fílium tuum constituísti humáni géneris Salvatórem, et Jesum vocári jussísti: concéde propítius; ut, cujus sanctum nomen venerámur in terris, ejus quoque aspéctu perfruámur in cælis.
+    Per eúmdem Dóminum nostrum Jesum Christum Fílium tuum, qui tecum vivit et regnat in unitáte Spíritus Sancti, Deus, per ómnia sǽcula sæculórum.
+    R. Amen.
+  en: |
+    Let us pray.
+    O God, who hast appointed thine Only-begotten Son to be the Saviour of mankind, and hast commanded that his Name should be called Jesus: mercifully grant that we who here on earth do worship that most holy Name may be made glad in heaven by his Presence.
+    Through the same our Lord Jesus Christ, thy Son, who liveth and reigneth with thee, in the unity of the Holy Spirit, God, world without end.
+    R. Amen.
+status:
+  la: verified
+  en: verified

src/data/propers/temporal/holy-name-of-jesus-magnificat-antiphon.yml

@@ -0,0 +1,10 @@
+# Read from web/www/horas/Latin/Tempora/Nat2-0.txt's own [Ant 1] (the
+# antiphon slotted between the day's [Versum 1] and [Oratio], i.e. First
+# Vespers' own Magnificat antiphon) and its English counterpart.
+id: holy-name-of-jesus-magnificat-antiphon
+text:
+  la: "Fecit * mihi magna qui potens est, et sanctum Nomen ejus, allelúja."
+  en: "He that is mighty * hath done to me great things, and holy is his Name, alleluia."
+status:
+  la: verified
+  en: verified

src/hours/resolve-common.ts

@@ -49,6 +49,8 @@ export const ALWAYS_OVERRIDE_TEMPORAL_IDS = new Set([
   'christ-the-king',
   'christmas-octave-sunday',
   'immaculate-heart-of-mary',
+  'circumcision',
+  'holy-name-of-jesus',
 ]);
 
 /**