April 21 (Eastern Orthodox liturgics)

Apr. 20 - Eastern Orthodox liturgical calendar - Apr. 22

All fixed commemorations below are observed on May 4 by Orthodox Churches on the Old Calendar.

For April 21, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 8.

Martyrs Theodore of Perge in Pamphylia, his mother Philippa, and Dioscorus, Socrates, and Dionysius.

St. Alexandra the Empress.

Hieromartyrs Januarius, Bishop of Benevento, and his companions.

New Hieromartyr Protopresbyter of Teratyn.

Greek Sources

Russian Sources

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Wikipedia