April 20 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/April_20_(Eastern_Orthodox_liturgics)
Apr. 19 - Eastern Orthodox Church calendar - Apr. 21. All fixed commemorations below are ... Apostle Zacchaeus of the Seventy, Bishop of Caesarea in Palestine, he who was called ... Saint Theotimus, Bishop of Tomis in Moesia (Lesser Scythia ) (407); Blessed Gregory (593) and Anastasius I (599), Patriarchs of Antioch.
Orthodox calendar - Revolvy
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Apr. 4 – Eastern Orthodox Church Calendar – Apr. 6 All fixed .... Saint Theotimus , Bishop of Tomis in Moesia ( Lesser Scythia ) (407) Blessed Gregory (593) and ...