February 28 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/February_28_(Eastern_Orthodox_liturgics)
Feb. 27 — Eastern Orthodox Church calendar — March 1 All fixed commemorations below are ... (see also: October 19); Martyr Abercius, by the sword.
December 5 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/December_5_(Eastern_Orthodox_liturgics)
Dec
4 - Eastern Orthodox liturgical calendar - Dec 6. All fixed
commemorations below ... Venerable Nonnus, monk. Martyr Diogenes, by
stoning. Martyr Abercius, by the sword. Venerable Karion (Cyrion) and his son St. Zachariah of Egypt (4th century) ...