December 24 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/December_24_(Eastern_Orthodox_liturgics)
Dec.
23 - Eastern Orthodox Church calendar - Dec. 25. All fixed
commemorations below ... monk of the Great Lavra of St. Sabbas the
Sanctified in Jerusalem (635); Venerable Nicholas the Monk, of Bulgaria (Nicholas the former soldier) (c.
December 24 - OrthodoxWiki
https://orthodoxwiki.org/December_24
10 Jun 2008 - The Eve of the Nativity of Christ; Venerable Nun-martyr Eugenia of Rome, and with her: ... (635); Venerable Nicholas the Monk, of Bulgaria (Nicholas the former soldier) (ca.802-811); Martyrs Lucian, Metrobius, Paul, Zenobius, ...