18 August
27 commemorations of 18 August in the fixed calendar of the Church, the Menaion. Churches on the Old Calendar keep this day on 31 August of the civil calendar.
Feasts
- Afterfeast of the Dormitionorthochristian.com · pravoslavie.ru
Saints
- Martyrs Florus and Laurus of Illyria, twin brothers who worked as stonemasons (2nd century)Οἱ Ἅγιοι Φλῶρος καὶ Λαῦρος οἱ Μάρτυρεςsynaxarion.gr · ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- The Holy Host of Paupers (300 martyrs), brought together by Saints Florus and Laurus, who smashed the statues of the pagan gods and were martyred by fireΤὸ Ἅγιο Πλῆθος τῶν Πενήτων (Φτωχῶν)synaxarion.gr · ocafs.oca.org
- Martyrs Hermes, Serapion, Polyaenus of Rome (2nd century)Οἱ Ἅγιοι Ἔρμος (ἢ Ἑρμῆς), Σεραπίων καὶ Πολύαινος οἱ Μάρτυρεςsynaxarion.gr · ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- Hieromartyr Emilian, Bishop of Trebia in Umbria, and lay martyrs Hilarion, Dionysius, Hermippus, and about 1,000 others, in Italy (c. 300)holytrinityorthodox.com · ocafs.oca.org · pravoslavie.ru
- Venerable Barnabas and his nephew Sophronius, founders of Mount Mela Monastery (Panagia Soumela), near Trebizond (412)Οἱ Ὅσιοι Βαρνάβας, Σωφρόνιος καὶ Χριστόφοροςsynaxarion.gr · ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- Venerable Christopher of Trebizond, Abbot of Mount Mela Monastery (Panagia Soumela) (668)ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- Saints John (674) and George (683), Patriarchs of ConstantinopleΟἱ Ἅγιοι Γεώργιος καὶ Ἰωάννης Πατριάρχες Κωνσταντινουπόλεωςsynaxarion.gr · ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- Martyr Juliana near Strobilos in LyciaἩ Ἁγία Ἰουλιανὴ ἡ Μάρτυς πλησίον τοῦ Στροβίλουsynaxarion.gr · Roman Martyrology · ecclesia.gr · pravoslavie.ru
- Martyr Leo, drowned off the coast of Myra in LyciaὉ Ἅγιος Λέων ὁ Μάρτυραςsynaxarion.gr · Roman Martyrology · ecclesia.gr · pravoslavie.ru
- The 4 Venerable Ascetics, reposed in peaceΟἱ Ἅγιοι Τέσσερις Ὅσιοι Ἀσκητὲςsynaxarion.gr · ocafs.oca.org
- Saint Macarius, Abbot of the Pelekete Monastery near Prusa, Bithynia (840)holytrinityorthodox.com · ocafs.oca.org · pravoslavie.ru
- Venerable John of Rila, founder and Abbot of Rila Monastery, Bulgaria (946)holytrinityorthodox.com · ocafs.oca.org · pravoslavie.ru
Orthodox saints after the Schism
- Saint Christodoulus the Philosopher, called "the Ossetian," of Georgia (12th century)holytrinityorthodox.com · ocafs.oca.org · pravoslavie.ru
- Venerable Sophronius of St. Anne's skete on Mount Athos (18th century)Ὁ Ὅσιος Σωφρόνιος ὁ Ἁγιορείτηςsynaxarion.gr · ecclesia.gr · ocafs.oca.org · pravoslavie.ru
- New Monk-martyr Demetrius the Vlach, of Samarina (Pindos), at Ioannina (1808)ecclesia.gr · pravoslavie.ru
New martyrs and confessors
- New Hieromartyrs Archimandrite Augustine of Orans Monastery, and Archpriest Nicholas of Nizhni-Novgorod, and 15 people with them (1918)holytrinityorthodox.com · pravoslavie.ru
- New Hieromartyr Gregory Bronnikov, Priest, and Martyr Eugene Dmitriev and Michael Eregodsky (1937)holytrinityorthodox.com
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.
- Saint Agapitus of Palestrina, a fifteen-year-old who bravely confessed Christ and was martyred in Palestrina near Rome (c. 274)orthodoxengland.org.uk
- Martyrs John and Crispus, priests in Rome who devoted themselves to recovering and burying the bodies of the martyrs, for which they also suffered martyrdomorthodoxengland.org.uk
- Saint Firminus of Metz, Greek or Italian by origin, he was Bishop of Metz in France for eight years, Confessor (496)Roman Martyrology · orthodoxengland.org.uk
- Saint Daig Maccairill (Daig, Dagaeus, Daganus), disciple of St Finian, he founded a monastery at Inis Cain Dega (Inniskeen), and was both abbot and bishop (586)orthodoxengland.org.uk
- Saint Milo, a monk together with his father at Fontenelle Abbey in France, and later a hermit (c. 740)orthodoxengland.org.uk
- Saint Inan (Evan), a hermit in Ayrshire in Scotland, where churches are dedicated to him (9th century)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.
- Uncovering of the Relics of Venerable Arsenios the New of Paros (1877)Ἀνακομιδὴ Τιμίων Λειψάνων Ὁσίου Ἀρσενίου τοῦ νέου τοῦ ἐν Πάρῳsynaxarion.gr · ecclesia.gr · ocafs.oca.org
- Repose of Schemamonk Nicholas "the Turk," of Optina Skete (1893)pravoslavie.ru
- Icon of the Mother of God the "Directress" ("Hodegetria") of Trebizond, also known as "Panagia Soumeliotissa"holytrinityorthodox.com · ocafs.oca.org
The list is August 18 (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.