April 5 — Eastern Orthodox liturgical calendar — April 7 All fixed commemorations below are observed on April 19 by Orthodox Churches on the Old Calendar. For April 6th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 24. Saints Hieromartyr Archilias, Priest, and Martyr Jeremiah, of Rome (3rd century) Venerable Platonis (Platonida) of Nisibis, reposed in peace (c. 300-308) Martyr Platonis (Platonides) and two martyrs buried up to their loins, at Ascalon in Palestine. Hieromartyr Irenaeus, Bishop of Sirmium in Hungary (304) (See also: March 26 - Church of Romania) 120 Martyrs of Persia under Shapur II (c. 344-347) Martyrs Timothy and Diogenes, in Macedonia, by Arians (345) Saint Eutychius, Patriarch of Constantinople (582) Equal-to-the-Apostles Methodius of Moravia, Archbishop of Moravia and Enlightener of the Slavs (885) (see also: May 11) Pre-Schism Western saints Saints Florentius, Geminianus and Saturus, martyrs in Sirmium in Pannonia (4th century) Saints Rufina, Moderata, Romana, Secundus and Seven Companions, martyred at Sirmium in Pannonia (4th century) Saint Marcellinus of Carthage, imperial representative in North Africa, martyred by the Donatists (413) Saint Celestine, Pope of Rome (432) Saint Brychan, a King in Wales with twenty-four saintly children (5th century) Saint Ulched (Ulchad, Ylched), a holy man who gave his name to Llechulched in Anglesey in Wales. Saint Winebald (Winewald, Vinebaud), a monk at Saint-Loup-de-Troyes in France where he became abbot (c. 650) Saint Derfel (Tervillius) the Prince, son of King Joel II, became a hermit in Llandderfel in Gwynedd in Wales (660) (see also: April 5) Saint Gennard, a monk at Fontenelle Abbey in France and eventually Abbot of Flay (Saint-Germer-de-Fly Abbey) (720) Saint Berthanc (Berchan), a monk at Iona in Scotland and later Bishop of Kirkwall in the Orkneys (c. 840) Saint Prudentius of Troyes (Prudentius Galindo) (861) Saint Notker the Stammerer, nicknamed Balbulus (the Stammerer), monk at St Gall Abbey where he spent his whole life, excelling as a musician (912) Saint Urban, Abbot of the Monastery of Peñalba near Astorga in Spain (c. 940) Saint Ælfstan (Elstan), monk who became Bishop of Ramsbury and succeeded St Ethelwold as Abbot of Abingdon (981) Post-Schism Orthodox saints Venerable Gregory (Drimys) of the Great Lavra on Mount Athos (Gregory the Byzantine) (1310), instructor of St. Gregory Palamas. Venerable Gregory of Sinai (Mt. Athos) (Gregory the Sinaite) (1347) Venerable Rufus the Obedient, of the Kiev Far Caves (14th century) (see also: April 8)