September 22 - Eastern Orthodox liturgical calendar - September 24

All fixed commemorations below celebrated on October 6 by Orthodox Churches on the Old Calendar.^{[note 1]}

For September 23rd, Orthodox Churches on the Old Calendar commemorate the Saints listed on September 10.

• The Conception of the Glorious Prophet, Forerunner, and Baptist John.^{[1][2][3][4][5][6]}

• Saints Xanthippe and Polyxena, of Spain, disciples of the Apostles (109)^{[1][7][2][8][9][note 2]}
• Virgin-martyr Irais (Rhais, Raissa) of Alexandria (308)^{[1][2][10][11]}
• Martyrs Andrew^[12] and John, and his sons Peter and Antoninus, of Syracuse, martyred in Africa (9th century)^{[1][2][13][14][note 3]}

• Saint Linus, the first Pope of Rome (c. 79)^{[15][note 4][note 5]} (In the East: January 4 and November 5 )
• Saint Paternus (Pair), Bishop of Avranches (c. 563)^{[15][note 6][note 7]}
• Saint Constantius, sacristan of the ancient church of St Stephen in Ancona in Italy (6th century)^{[15][note 8]}
• Saint Adomnán, Abbot of Iona, biographer of Saint Columba (704)^{[1][15][3][16]}
• Saint Cissa of Crowland, a disciple of St Guthlac at Crowland in England (early 8th century)^[15]

• New Martyr Nicholas the Grocer ("O Pantopolis"), at Constantinople (1672)^{[1][2][3][17][note 9]}
• New Martyr John of Konitsa, Epirus, by beheading (1814)^{[1][2][3][18]}
• New Hieromartyr Gregory (Kalamaras), Metropolitan of Argos and Nauplion, Ethnomartyr (1821)^[19][20]

• Icon of the Mother of God of Slovenka (Solvenskaya) (1635)^{[3][4][22][23]}
• Repose of Abbess Eupraxia of Old Ladoga Convent (1823)^[1]
• Repose of Hieroschemamonk Jerome of Solovki (1847)^[1]
• Glorification (1977) of St. Innocent, Metropolitan of Moscow, Enlightener of Alaska and Siberia (1879)^[1][3][4]
• Myrrh-streaming Iveron Icon of the Theotokos "Hawaiian" (2007)^{[3][24][note 10]}

• Icon of the Conception of the Glorious Prophet, Forerunner, and Baptist John.
• Annunciation to Zachariah.
• Saints Xanthippe and Polyxena, of Spain.
• St. Xanthippe of Spain.
• Virgin-martyr Irais (Rhais, Raissa) of Alexandria.
• St. Innocent, Metropolitan of Moscow, Enlightener of Alaska and Siberia.