 
 August 18 - Eastern Orthodox liturgical calendar - August 20
All fixed commemorations below are observed on September 1 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For August 19, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 6 .

March 25 - Eastern Orthodox liturgical calendar - March 27

April 18 - Eastern Orthodox liturgical calendar - April 20

May 4 - Eastern Orthodox Church calendar - May 6

August 2 - Eastern Orthodox liturgical calendar - August 4

August 7 - Eastern Orthodox liturgical calendar - August 9

August 10 - Eastern Orthodox liturgical calendar - August 12

August 11 - Eastern Orthodox liturgical calendar - August 13

August 13 - Eastern Orthodox liturgical calendar - August 15

August 16 - Eastern Orthodox liturgical calendar - August 18

August 17 - Eastern Orthodox liturgical calendar - August 19

August 19 – Eastern Orthodox liturgical calendar – August 21

January 10 - Eastern Orthodox liturgical calendar - January 12

January 11 - Eastern Orthodox liturgical calendar - January 13

November 21 - Eastern Orthodox liturgical calendar - November 23

August 30 - Eastern Orthodox liturgical calendar - September 1

August 21 - Eastern Orthodox liturgical calendar - August 23

August 23 - Eastern Orthodox liturgical calendar - August 25

August 25 - Eastern Orthodox liturgical calendar - August 27

August 29 - Eastern Orthodox liturgical calendar - August 31

December 28 - Eastern Orthodox liturgical calendar - December 30