 
 August 20 - Eastern Orthodox liturgical calendar - August 22
All fixed commemorations below are observed on September 3 by Eastern Orthodox Churches on the Old Calendar. [note 1]
For August 21, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 8 .

April 18 - Eastern Orthodox liturgical calendar - April 20

July 31 - Eastern Orthodox liturgical calendar - Aug. 2

August 2 - Eastern Orthodox liturgical calendar - August 4

August 4 - Eastern Orthodox liturgical calendar - August 6

August 6 - Eastern Orthodox liturgical calendar - August 8

August 7 - Eastern Orthodox liturgical calendar - August 9

August 10 - Eastern Orthodox liturgical calendar - August 12

August 12 - Eastern Orthodox liturgical calendar - August 14

August 13 - Eastern Orthodox liturgical calendar - August 15

August 15 - Eastern Orthodox liturgical calendar - August 17

August 19 – Eastern Orthodox liturgical calendar – August 21

January 23 - Eastern Orthodox liturgical calendar - January 25

January 24 - Eastern Orthodox liturgical calendar - January 26

January 28 - Eastern Orthodox liturgical calendar - January 30

February 11 - Eastern Orthodox liturgical calendar - February 13

August 30 - Eastern Orthodox liturgical calendar - September 1

August 23 - Eastern Orthodox liturgical calendar - August 25

August 25 - Eastern Orthodox liturgical calendar - August 27

August 26 - Eastern Orthodox liturgical calendar - August 28

October 28 - Eastern Orthodox liturgical calendar - October 30