February 21 (Eastern Orthodox liturgics)

Feb. 20 - Eastern Orthodox Church calendar - Feb. 22

All fixed commemorations below are observed on March 6 (March 5 on leap years) by Orthodox Churches on the Old Calendar.

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

St. Eustathius of Antioch, Archbishop of Antioch.

Saint Maximianus of Ravenna.

"Kozelshchina" (Kolzelshchanskaya) Icon of the Most Holy Theotokos.

Greek Sources

Russian Sources

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Wikipedia