December 11 - Eastern Orthodox liturgical calendar - December 13
All fixed commemorations below celebrated on December 25 by Orthodox Churches on the Old Calendar. [note 1]
For December 12th, Orthodox Churches on the Old Calendar commemorate the Saints listed on November 29 .
April 26 - Eastern Orthodox Church calendar - April 28
April 18 - Eastern Orthodox liturgical calendar - April 20
August 2 - Eastern Orthodox liturgical calendar - August 4
December 16 - Eastern Orthodox liturgical calendar - December 18
December 17 - Eastern Orthodox liturgical calendar - December 19
December 8 - Eastern Orthodox liturgical calendar - December 10
October 20 - Eastern Orthodox liturgical calendar - October 22
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 9 - Eastern Orthodox liturgical calendar - December 11
December 10 - Eastern Orthodox liturgical calendar - December 12
December 14 - Eastern Orthodox liturgical calendar - December 16
December 22 - Eastern Orthodox liturgical calendar - December 24
December 23 - Eastern Orthodox liturgical calendar - December 25
December 26 - Eastern Orthodox liturgical calendar - December 28
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