March 20 - Eastern Orthodox Church calendar - March 22
All fixed commemorations below are observed on April 3 by Orthodox Churches on the Old Calendar.
For March 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 8.
New Martyrs and Confessors
New Hieromartyr Vladimir Vvedensky, Priest (1931)
New Hieromartyr Theodore (Pozdeyevsky), Archbishop (1938) (see also: October 10)
March 21 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA