CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

September 12 (Eastern Orthodox liturgics)

day in the Eastern Orthodox liturgical calendar

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 3, 2026
Entity authorityQ7452075 ↗
Source-derived summary

Sep. 11 - Eastern Orthodox Church Calendar - Sep. 13

All fixed commemorations below celebrated on September 25 by Orthodox Churches on the Old Calendar.

For September 12th, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 30.

Feasts

Apodosis of the Nativity of the Theotokos.

Saints

Hieromartyr Coronatus, Bishop of Nicomedia at Iconium (249-259)

Martyr Theodore of Alexandria.

Martyr Oceanus.

Hieromartyr Autonomus, Bishop, in Italy (313)

Martyr Julian of Galatia and 40 martyrs with him (4th century)

Martyrs Macedonius, Tatian, and Theodulus, in Phrygia (4th century)

Venerable Daniel of Thasos, monk, of the island of Thasos (c. 843)

Venerable Andronicus of Atroa, in Bithynia (9th century)

Pre-Schism Western saints

Saint Juventius of Pavia, first Bishop of Pavia, Italy (1st century) (see also: February 8)

Saint Ailbhe of Emly (Albeus, Elvis), first Bishop of Emly, Ireland (527)

Saint Silvinus, Bishop of Verona in Italy (c. 550)

Saint Sacerdos of Lyon, Bishop of Lyon in Gaul (551)

Saint Molaise of Devenish Island (563)

Saint Eanswythe, Abbess, of Folkestone Priory (c.

Editorial summary

This brief starts where responsible research should: with the source description of “September 12 (Eastern Orthodox liturgics)” as day in the Eastern Orthodox liturgical calendar. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 172-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. The account is most persuasive where September, Eastern and Orthodox can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as day in the Eastern Orthodox liturgical calendar. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 3, 2026. The linked authority identifier is Q7452075. None of the 0 selected statements returned an explicit reference.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “September 12 (Eastern Orthodox liturgics)”, its source revision and the description used here.
  2. Expand the search: follow September 12 (Eastern Orthodox liturgics) primary sources, September 12 (Eastern Orthodox liturgics) archive and September research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “September 12 (Eastern Orthodox liturgics)”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “September 12 (Eastern Orthodox liturgics)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.