September 28 - Eastern Orthodox liturgical calendar - September 30

All fixed commemorations below celebrated on October 12 by Orthodox Churches on the Old Calendar.^{[note 1]}

For September 29th, Orthodox Churches on the Old Calendar commemorate the Saints listed on September 16.

• The Eighty (80) Holy Martyrs of Byzantium, burnt in a marine vessel during the reign of Emperor Valens (364-378)^[1][2]
• Martyrs Tryphon, Trophimus, and Dorymedon,^[3][4][5] and 150 Martyrs,^[5][6] in Palestine.^[1][2]
• Martyr Theodota of Philippi.^[7]
• Martyr Petronia, by the sword.^{[4][5][8][note 2]}
• Martyr Gudelia (Govdelia) of Persia (4th century)^{[1][4][5][9][note 3]}
• Martyrs Dada, Gabdelas, and Casdoe (Kazdoa) of Persia (4th century)^{[1][4][11][12][note 4]}
• Saint Cyriacus the Anchorite, Hermit, of Palestine (556)^{[1][4][13][14][note 5][note 6]}
• Saint Theophanes the Merciful of Gaza.^{[1][2][5][15][16]}

• Saint Fraternus, Bishop of Auxerre in France and by tradition a martyr (450)^[10][17]
• Saint Ludwin (Leudwinus, Liutwin, Leodwin), Founder of Mettlach in Germany and then Bishop of Trier (c. 713)^{[17][note 7]}
• Saints Catholdus, Anno and Diethardus, three monks who preached the Gospel around Eichstätt in Germany (late 8th century)^[17]
• Saint Alaricus (Adalricus, Adalrai), a monk at Einsiedeln Abbey in Switzerland, later a hermit on the island of Uffnau in the lake of Zurich (975)^[17]

• Saint Cyprian, Abbot, of Ustiug in Vologda (1276)^[1][2][18]
• New Hieromartyr Malachi of Rhodes, tortured and roasted on a spit over live coals (1500)^[2][4][19]
• Venerable monk-martyrs in the Strofades (1530 or 1537)^{[20][21][note 8]}
• Saint Onuphrius the Wonderworker, of Gareji, Georgia (1733)^[1][2][22]
• Three New Martyrs of Vrachori, Agrinio (1786)^{[23][24][note 9]}

• Translation of the relics of St. Donatus, Bishop of Euroea in Epirus (387), from the Church of Santa Maria e San Donato in Venice to Paramythia in Greece.^{[26][note 11]}
• Repose of Blessed Anthony Alexeyevich, Fool-for-Christ, of Zadonsk (1851)^[1][5][27]
• Uncovering of the relics (1993) of St. John (Maximovitch), Archbishop of Shanghai and San Francisco (1966).^[1][2]
• Repose of Archimandrite Gerasim (Schmaltz) of Alaska (1969)^[1]

• St. Cyriacus the Anchorite (Kyriakos).
• St. Cyriacus the Anchorite (Kyriakos).
• St Ludwin, Bishop of Trier.
• New Hieromartyr John (Pommer), Archbishop of Riga.
• Relics (1993) of St. John (Maximovitch), Archbishop of Shanghai and San Francisco.