April 3 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/April_3_(Eastern_Orthodox_liturgics)
Apr. 2 - Eastern Orthodox Church calendar - Apr. 4. All fixed commemorations below are ... Martyrs Cassius, Philip, and Eutychius, of Thessalonica (304); Martyr Ulphianus of Tyre (306); Virgin-martyr Theodosia of Tyre (308) (see also: April 2) ...
April 16 - Orthodox Calendar. HOLY TRINITY RUSSIAN ORTHODOX ...
www.holytrinityorthodox.com/calendar/index.php?year=2017&today...4...
Martyr Ulphianus of Tyre (306). Venerable Joseph the Hymnographer, of Sicily ( 883) (Greek). Martyrs Cassius, Philip, and Eutychius of Thessalonica (304).