May 23 (Eastern Orthodox liturgics)
May 22 - Eastern Orthodox Church calendar - May 24
All fixed commemorations below celebrated on June 5 by Orthodox Churches on the Old Calendar.
For May 23rd, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 10.
Saints
Holy Myrrh-bearer Mary, the wife of Cleopas, aunt of Jesus- Saint Manaen, prophet and teacher of the Church of Antioch
- Martyr Seleucus, by sawing.Saint Michael the Confessor, Bishop of Synnada in Phrygia Salutaris
- Hieromartyr Michael the black-robed, monk of St. Sabbas Monastery
Pre-Schism Western saints
- Hieromartyrs Epitacius, first Bishop of Tui in Galicia (Spain); and Basileus, second Bishop of Braga in Portugal c. 60-95
- Saint Euphebius, Bishop of Naples in Italy.
- Martyr Salonas the Roman, by the sword.
- Martyrs Donatianus and Rogatianus of Nantes, brothers
- Saint Merculialis of Forli, Bishop of Forlì, zealous opponent of paganism and Arianism
- Saint Desiderius of Langres, Bishop of Langres in Gaul
- Martyrs Quintianus, Lucius and Julianus, with 19 other Christians in North Africa during the persecution of the Arian Vandals
- Saint Patricius, Bishop of Bayeux in Normandy 464-469 AD
- Saints Eutychius and Florentius, two monks who governed a monastery in Valcastoria near Nursia, Italy
- Saint Goban, Abbot of the monastery of Old Leighlin, from where he went to Tascaffin in Co. Limerick, Ireland
- Hieromartyr Desiderius, Bishop of Vienne
- Saint Syagrius of Nice, a monk at Lérins Abbey, who later founded the monastery of St Pons, at Cimiez, after which he became Bishop of Nice 777-787
- Saint Guibertus, a hermit on his own estate of Gembloux in Brabant, Belgium, who retired to the monastery of Gorze in France
Post-Schism Orthodox saints
- Saint Damian, of Georgia, Hymnographer Saint Euphrosyne of Polatsk, Princess
- Saint Simon, Bishop of Suzdal
- Saint Abramios of Yaroslavl, monk and abbot of the Savior Monastery in Yaroslavl
- Saint Ioannicius I, Metropolitan of Peć and Archbishop of Serbia 1272-1276 AD
- Saint Anthony, Bishop of Rostov
- Saint Cyril, Bishop of Rostov
- Saint Paisius of Galich, abbot
- Saints Adrian and Bogolep of Uglich, monks of St. Paisius of Uglich Monastery
- Saints Anthony and Joannicius of Zaonikiev Monastery
- Saint Dorotheus of Pskov Lavra, monk and hermit, and Monk Hilarion of the Dormition of the Theotokos monastery near Podolsk
- Saint Alexander, Bishop and Wonderworker of Pereiaslav
- Saint Joachim, monk of St. Nicholas monastery of Sartoma Synaxis of All Saints of Rostov and Yaroslavl :
Other commemorations
- Icon of the Theotokos 'Thou Art the True Vine' .
- Uncovering of the relics of St. Leontius, Bishop and Wonderworker of Rostov
- Saint Athanasius of Novolotsk, fool-for-Christ
- Hieromartyr Daniel with 30 monks and 200 laymen of Uglich, during the Polish–Muscovite War
- Repose of Hieromonk Damascene of Valaam
- Repose of Hieroschemamonk Meletius of Svir, disciple of Elder Theodore of Svir
- Repose of Nun Euphrosyne, disciple of St. Barsanuphius of Optina
- Restitution of the holy relics of Saint Joachim of Ithaca
- Uncovering of the relics of martyrs Evdokia Sheykovoy, Daria Timaginoy, Daria Ulybin, and Mary Neizvestnaya