Dec. 17 - Eastern Orthodox liturgical calendar - Dec. 19
All fixed commemorations below celebrated on December 31 by Orthodox Churches on the Old Calendar.
For December 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 5.
New Martyrs and Confessors
Martyr Victor Matveev (1936)
New Hieromartyr Thaddeus (Uspensky), Archbishop of Tver (1937)
New Hieromartyr Nicholas (Klementiev), Archbishop of Great Ustiug (Velikoustiuzh) (1937)
New Hieromartyrs (1937):
Andrew Voskresensky of Moscow,
John Mironsky of Chimkent,
Vladimir Preobrazhensky of Chimkent, and
Elias Benemansky of Tver, Priests (1937)
New Hieromartyr Sergius Astakhov, Deacon (1942)
Virgin-martyr Vera Truks of Zhitomir (1942)
Consecration of the Church of the Theotokos in Halkoprateia-Constantinople.
Glorification (1694) of Righteous Simeon, Wonderworker of Verkhoturye (1642)
Repose of Schemanun Nazaria, Eldress of Varatec Monastery (Romania) (1814)
Repose of Metropolitan Benjamin (Costachi) of Moldavia (1846)
Slaying of Hieromonk Nestor of Zharki (Ivanovo) (1993)
December 18 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA