April 6 (old calendar) / April 19 (new) Great Lent St. Eutychius, Patriarch of Constantinople (582). St. Methodius, Equal-to-the-Apostles, Archbishop of Moravia and Enlightener of the Slavs (885). St. Platonida (Platonis) of Nisibis (Syria—308). 120 Martyrs of Persia (344-347). Martyrs Jeremiah and Archilias the Presbyter (3rd c.). Ven. Gregory the Byzantine (1308). Monk Martyr Gennadius of Dionysiou (Mt. Athos—1818). Saint Eutychius, Patriarch of Constantinople Saint Eutychius, Archbishop of Constantinople, was