June 23 (Eastern Orthodox liturgics)
June 22 - Eastern Orthodox Church calendar - June 24
All fixed commemorations below celebrated on July 6 by Orthodox Churches on the Old Calendar.
For June 23rd, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 10.
Saints
Martyr Agrippina of Rome and her companions Paula, Bassa, and Agathonica- Hieromartyrs Aristocleus the Priest, Demetrian the Deacon, and Athanasius the Reader, at Salamis on Cyprus
- Martyrs Eustochius, Gaius, Proba, Lollia, and Urban, of Ancyra
- Venerable Hesychios the Sinaite, hegumen of Saint Catherine's Monastery
- Venerable Barbaros the Myrrhgusher, "the Pentapolitis"
Pre-Schism Western saints
- Saint Felix of Sutri, a priest of Sutri in Lazio in Italy, scourged to death under Valerian and Gallienus
- Saint John, a priest in Rome, beheaded under Julian the Apostate
- Saint Moeliai, born in Ireland and baptised by St Patrick, he became Abbot of Nendrum Monastery Venerable Etheldreda, Queen and Abbess, foundress of Ely Monastery, England
- Saint Hidulf, Count of Hainault in Belgium, he became a monk at Lobbes Abbey which he had helped to found, Benedictine abbot
- Saint Jacob of Toul, Bishop of Toul
- Saint Walhere, a priest in Belgium murdered for his righteousness and venerated as a martyr.
Post-Schism Orthodox saints
- Saint Nicetas of Thebes in Boetia, and his disciples Theodore, Gregory, and Daniel
- Saint Dionysius of Polotsk
- Saint Artemius of Verkola
- Venerables Joseph, founder, Anthony, and Ioannicius, Abbots of Zaonikiev Monastery, Vologda
New martyrs and confessors
- New Hieromartyr Kallinikos of Veroia
- New Hieromartyrs and martyrs of Crete :
- New Hieromartyrs Alexander Miropolsky, Alexis Vvedensky, and Peter Smorodintsev, Priests
- New Hieromartyr Mitrophan, Archbishop of Astrakhan
- New Hieromartyr Leontius, Bishop of Enotaeva, and those with him
- New Hieromartyr Maxim, Bishop of Serpukhov
Other commemorations
Synaxis of the Saints of Vladimir Meeting of the Vladimir Icon of the Most Holy Theotokos- Icons of the Most Holy Theotokos:
- Translation of the relics of Venerable Michael of Klopsk, Fool-for-Christ of Klopsk Monastery, Novgorod
- Second translation of the relics of St. Herman, Archbishop of Kazan
- Repose of Schemamonk Zosimas of Solovki
- Repose of Ivan M. Kontzevitch, spiritual writer