September 23 (Eastern Orthodox liturgics)
September 22 - Eastern Orthodox liturgical calendar - September 24
All fixed commemorations below celebrated on October 6 by Orthodox Churches on the Old Calendar.
For September 23rd, Orthodox Churches on the Old Calendar commemorate the Saints listed on September 10.
Feasts
The Conception of the Glorious Prophet, Forerunner, and Baptist John.Saints
Saints Xanthippe and Polyxena, of Spain, disciples of the Apostles- Virgin-martyr Irais of Alexandria
- Martyrs Andrew and John, and his sons Peter and Antoninus, of Syracuse, martyred in Africa
Pre-Schism Western saints
- Saint Linus, the first Pope of Rome
- Saint Paternus, Bishop of Avranches
- Saint Constantius, sacristan of the ancient church of St Stephen in Ancona in Italy
- Saint Adomnán, Abbot of Iona, biographer of Saint Columba
- Saint Cissa of Crowland, a disciple of St Guthlac at Crowland in England
Post-Schism Orthodox saints
- New Martyr Nicholas the Grocer, at Constantinople
- New Martyr John of Konitsa, Epirus, by beheading
- New Hieromartyr Gregory, Metropolitan of Argos and Nauplion, Ethnomartyr
New martyrs and confessors
- New Hieromartyr John Pankratovich, Priest
- New Hieromartyr Arsenius, Archimandrite
Other commemorations
- Icon of the Mother of God of Slovenka
- Repose of Abbess Eupraxia of Old Ladoga Convent
- Repose of Hieroschemamonk Jerome of Solovki Glorification of St. Innocent, Metropolitan of Moscow, Enlightener of Alaska and Siberia
- Myrrh-streaming Iveron Icon of the Theotokos "Hawaiian"