April 4 (Eastern Orthodox liturgics)
April 3 - Eastern Orthodox liturgical calendar - April 5
All fixed commemorations below are observed on April 17 by Eastern Orthodox Churches on the Old Calendar.
For April 4th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 22.
Saints
- Martyrs Agathopodes, a deacon, and Theodulus, a lector, at Thessalonica, under Maximian
- Virgin-martyr Pherbutha of Persia, with her sister Mekadoshta and the latter’s maidservant Venerable George of Mount Maleon in Laconia, monk, in the Peloponnese
- Venerable Publius the Egyptian. Venerable Zosimas of Palestine, Hieromonk
- Venerable Saints Theonas, Symeon, and Fervinus. Venerable Platon the Studite, Abbot of the Studion and Confessor
- Venerable Joseph the Hymnographer, of Sicily
Pre-Schism Western saints
- Saint Guier, a priest and hermit in Cornwall, where a church recalls his name.
- Saint Gwerir, a hermit near Liskeard in Cornwall, at whose grave King Alfred was healed of a serious illness.
- Saint Tigernach of Clones, Abbot of Clones, succeeded St Macartin as bishop at Clogher in Ireland
- Saint Isidore of Seville, Bishop of Seville
- Saint Hildebert of Ghent, Abbot of Saint Peter's Abbey, Ghent, Belgium, martyred by fanatics for defending the veneration of icons
Post-Schism Orthodox saints
- Venerable Joseph the Much-ailing, of the Kiev Caves
- Venerable James, monk of Starotorzhok in Galich, Kostroma
- Venerable Theonas, Metropolitan of Thessaloniki
- Venerable Zosimas, founder and abbot of the Annunciation Monastery at Lake Vorbozoma
- New Hieromartyr Nicetas the Albanian, of Mount Athos and Serres
- Venerable Elias of Makeyevka, Schema-monk, of Makeyevka, Ukraine
New martyrs and confessors
- New Hieromartyr Benjamin, Archimandrite, of Solovki Monastery
- New Hieromartyr Nicephorus, Hieromonk, of Solovki Monastery
- New Hieromartyr Nicholas, Bishop of Velsk
- New Nun-martyr Maria of Gatchina
- New Hieromartyr John Vechorko, Priest
- Martyr John Kolesnikov
Other commemorations
Icon of the Most Holy Theotokos "The Life-giving Spring" ''The Akathist Hymn to the Virgin Mary- Icon of the Most Holy Theotokos "Gerontissa", at Pantokratoros monastery, Mount Athos.
- The Icon of the Mother of God "Deliverer"
- Repose of Elder Savvas of Little St. Anne's Skete, Mt. Athos
- Repose of Maria Berushko and 8 children, by fire, in Joaquim Távora, Brazil
- Repose of Archimandrite John of Edinburgh, Scotland