Dec. 23 - Eastern Orthodox Church calendar - Dec. 25
All fixed commemorations below celebrated on January 6 by Orthodox Churches on the Old Calendar.
For December 24th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 11.
New Martyrs and Confessors
Martyrs Protopresbyter St. Michael Shafaniv, and Presbytera St. Sofia (1918) (see also November 1)
New Hieromartyr Innocent (Beda), Archimandrite, of Voronezh (Innokenty (Bida) of Poltava) (1928)
New Hieromartyr Sergius Mechev, Archpriest, of Moscow (1942)
December 24 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA