February 17 (Eastern Orthodox liturgics)
Feb. 16 - Eastern Orthodox Church calendar - Feb. 18
All fixed commemorations below are observed on March 2 (March 1 on leap years) by Orthodox Churches on the Old Calendar.
For February 17th, Orthodox Churches on the Old Calendar commemorate the Saints listed on February 4.
Great-martyr Theodore the Tyro.
Venerable Theodosius of Turnovo, monastic founder at Mt. Kelifarevo
Saint Hermogenes of Moscow, Patriarch and Wonderworker of Moscow and all Russia.
Saint Nicholas Planas of Athens (1851–1932).
The Theotokos of Tikhvin in the golden riza.
Greek Sources
Russian Sources
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Wikipedia