12 December
23 commemorations of 12 December in the fixed calendar of the Church, the Menaion. Churches on the Old Calendar keep this day on 25 December of the civil calendar.
In the map: St. Spyridon of Trimythous
Saints
- Hieromartyr Alexander, Archbishop of Jerusalem (250-251)Ὁ Ἅγιος Ἀλέξανδρος ὁ Μάρτυραςsynaxarion.gr · oca.org · orthochristian.com · pravoslavie.ru
- Martyr Aitherius (Aetherius), under Maximian, tortured and beheaded for refusing to sacrifice to idols (c. 286-305)Ὁ Ἅγιος Αἰθέριος ὁ Μάρτυραςsynaxarion.gr
- Saint Spyridon the Wonderworker, Bishop of Tremithus (348)Ὁ Ἅγιος Σπυρίδων ὁ Θαυματουργός Ἐπίσκοπος Τριμυθοῦντος Κύπρουsynaxarion.gr · oca.org · pravoslavie.ru
- Venerable Amonathus, Monk of PelusiumὉ Ὅσιος Ἀμωναθᾶςsynaxarion.gr
- Venerable Anthus, Monk of PalestineὉ Ὅσιος Ἀνθόςsynaxarion.gr
- Saint EuphemianeἩ Ἁγία Εὐφημιανήsynaxarion.gr
- Martyr John, Abbot of the Zedazeni Monastery, Georgia (9th century)oca.org · pravoslavie.ru
Orthodox saints after the Schism
- Saint John, Metropolitan of Zichnon (Zichne), founder of the Monastery of the Forerunner on Mt. Menikion (north-east of Serres) (1333)Ὁ Ὅσιος Ἰωάννης (ἢ Ἰωακείμ) Ἐπίσκοπος Ζιχνῶνsynaxarion.gr · pravoslavie.ru
- Venerable Therapon (Therapontus), Abbot of Monza Monastery (1597)oca.org · pravoslavie.ru
- Saint Mardarije Uskoković of Libertyville, Illinois, Enlightener and Apostle of the Church in America (1935)oca.org
Saints of the West before the Schism
Saints of the Latin West before the Schism of 1054. The Orthodox Church honours the saints of the undivided Church, though few of these are in the Greek or Slavic Menaia; this list follows the calendars kept by the Orthodox in the West.
- Martyr Synesius (Synetus) of Rome, a Reader, tortured and beheaded for refusing to sacrifice to idols (270-275)Ὁ Ἅγιος Συνετὸς ὁ Μάρτυραςsynaxarion.gr · oca.org · pravoslavie.ru
- Martyrs Maxentius, Constantius, Crescentius, Justinus and their Companions, martyrs in Trier in Germany in the reign of Diocletian, under the governor... (c. 287)orthodoxengland.org.uk
- Saint Abra of Poitiers, daughter of Saint Hilary of Poitiers in France (c. 360)orthodoxengland.org.uk
- Saint Corentin (Corentinus), first Bishop of Quimper in Brittany, he had lived as a hermit at Plomodiern (490)orthodoxengland.org.uk
- Saint Finian of Clonard and Skellig Michael, teacher of Ireland and one of the fathers of Irish monasticism (549)Ὁ Ἅγιος Finian of Clonard (Ἰρλανδός)synaxarion.gr · orthodoxengland.org.uk · pravoslavie.ru
- Saint Columba of Terryglass (Columba of Tyrdaglas), born in Leinster in Ireland, he was a disciple of Saint Finian and Abbot of Tyrdaglas in Munster (552)orthodoxengland.org.uk
- Saint Gregory of Terracina, a disciple of Saint Benedict, and with his brother Saint Speciosus, a monk at Terracina in Italy (c. 570)orthodoxengland.org.uk
- Saint Cormac (Cormac mac Eogain), an Abbot in Ireland and friend of Saint Columba (6th century)orthodoxengland.org.uk · oxforddnb.com
- Saint Colman of Glendalough in Ireland, Abbot (659)orthodoxengland.org.uk · pravoslavie.ru
- Saint Agatha, nun at Wimborne in Dorset in England and a disciple of Saint Lioba, she went to Germany to help Saint Boniface in his missionary work (c. 790)orthodoxengland.org.uk
Other commemorations
Glorifications, translations of relics, wonderworking icons, and monks and elders remembered on the day, not all of whom are canonized.
- Sunday of the Holy Forefathers of Jesus Christ (December 11–17)
- Synaxis of the First Martyrs of the American land
- Hieromartyr Juvenaly (Juvenal) of Alaska, Protomartyr of America (1796)
- Martyr Peter (Cungagnaq) the Aleut, tortured and slain by Franciscan friars at San Francisco, California (c. 1815)
- Hieromartyr Anatole Kamensky of Irkutsk (1925)
- Hieromartyr Seraphim Samoilovich of Uglich (1937)
- Hieromartyr John Kochurov of Chicago, Priest, slain in Russia (1917)
- Hieromartyr Alexander Hotovitzky of New York, Priest, slain in Russia (1937)
- Repose of Flegont Ostrovsky, Stylite of Kimlyai, Mordovia (1870)pravoslavie.ru
The list is December 12 (Eastern Orthodox liturgics), read on 2026-09-25 and adapted under CC BY-SA 4.0: its sections and years, the Greek headings of the Great Synaxaristes where it cites them, and beside each line the sources it names. Names in bold are the saints the day is named for in Greek usage, checked against the Church of Cyprus.