April 29 - Eastern Orthodox liturgical calendar - May 1

All fixed commemorations below celebrated on May 13 by Orthodox Churches on the Old Calendar.^{[note 1]}

For April 30th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 17.

• Holy Apostle James (44), the brother of St. John the Theologian.^[1][2][3]
• Hieromartyr Maximus, at Ephesus, during the persecution of Decius.^{[1][4][5][note 2]}
• Hieromartyr Aphrodisius, and 30 martyrs, at Alexandria.^{[7][note 3]}
• Saint Donatus, Bishop of Euroea in Epirus (387)^{[1][8][9][note 4]}
• Saint Clement the Hymnographer, abbot of the Studion (9th century)^[1][10]

• Martyr Sophia of Fermo (c. 250)^{[11][note 5]}
• Martyrs Marianus, James and Companions, at Lambaesis, an ancient town in Numidia in North Africa (259)^{[11][12][note 6]}
• Martyrs Eutropius and Estelle, of Saintes (Gaul) (3rd century)^{[1][11][13][note 7]}
• Saint Quintian and Saint Atticus^[14]
• Hieromartyr Laurence, at Novara, and some boys whom he was teaching (397)^{[11][15][note 8]}
• Saint Pomponius of Naples, Bishop of Naples in Italy (508-536) and a strong opponent of Arianism (536)^[11]
• Saint Desideratus of Gourdon, hermit (c. 569)^[11]
• Saint Cynwl of Wales, Hermit, brother of Saint Deiniol and first Bishop of Bangor (6th century)^[11]
• Saint Erconwald, Bishop of London (693)^{[1][11][16][17][18][note 9]}
• Saint Swithbert the Younger, Bishop of Werden in Westphalia (807)^[11]
• Martyrs Amator, Peter and Louis (Ludovicus) of Cordoba, Spain, by the Emirate for blaspheming Islam (855)^{[11][note 10]}
• Martyrs Isidore, Elias and Paul of Cordoba, Spain, by the Moors (856)^{[20][note 11]} (see also: April 17)
• Saint Forannan, Abbot of Waulsort Abbey in Belgium (982)^[11][22][23]

• Saint Simon, Metropolitan of Moscow (1511)^[24]
• Schema-abbess Martha Protasieva, disciple of Saint Paisius Velichkovsky (1813)^[1]
• Saint Ignatius Brianchaninov, Bishop of the Caucasus and Stavropol (1867)^[1][25]

• Uncovering of the relics of Saint Basil of Amasea, Bishop (322)^[1][28][29]
• Uncovering of the relics (1558) of Saint Nicetas of Novgorod, bishop (1108)^[1][30][31]
• Uncovering of the relics (1725) of New martyr Argyra of Prussa (1721)^[1][32][33]
• Repose of Schema-Abbess Martha (Protasieva) (1813), disciple of St. Paisius (Velichkovsky).^[1]
• Repose of Hieromonk Clement (Sederholm) of Optina Monastery (1878)^[1]
• Slaying of Priest Igor Rozin of Tyrnyauz, Kabardino-Balkar Republic, Russia (2001)^[1]

• Apostle James.
• St. Estelle (Basilique Saint-Eutrope, Saintes, France).
• Saint Swithbert the Younger.
• St. Ignatius Bryanchaninov.
• Icon of the Most Holy Theotokos "Of the Passion".