December 23 - Eastern Orthodox liturgical calendar - December 25
All fixed commemorations below celebrated on January 6 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For December 24th, Orthodox Churches on the Old Calendar commemorate the Saints listed on December 11 .
April 5 — Eastern Orthodox liturgical calendar — April 7
May 11 - Eastern Orthodox Church calendar - May 13
May 26 - Eastern Orthodox Church calendar - May 28
January 16 - Eastern Orthodox liturgical calendar - January 18
January 17 - Eastern Orthodox liturgical calendar - January 19
January 28 - Eastern Orthodox liturgical calendar - January 30
February 27 - Eastern Orthodox liturgical calendar - March 1.
March 11 - Eastern Orthodox liturgical calendar - March 13
December 2 – Eastern Orthodox liturgical calendar – December 4
December 3 - Eastern Orthodox liturgical calendar - December 5
December 4 - Eastern Orthodox liturgical calendar - December 6
December 6 - Eastern Orthodox liturgical calendar - December 8
December 10 - Eastern Orthodox liturgical calendar - December 12
December 11 - Eastern Orthodox liturgical calendar - December 13
December 22 - Eastern Orthodox liturgical calendar - December 24
December 26 - Eastern Orthodox liturgical calendar - December 28
December 27 - Eastern Orthodox liturgical calendar - December 29
December 28 - Eastern Orthodox liturgical calendar - December 30
December 29 - Eastern Orthodox liturgical calendar - December 31
December 30 - Eastern Orthodox liturgical calendar - January 1
Greek Sources
Russian Sources