August 8 - Eastern Orthodox liturgical calendar - August 10

All fixed commemorations below are observed on August 22 by Eastern Orthodox Churches on the Old Calendar.^{[note 1]}

For August 9, Orthodox Churches on the Old Calendar commemorate the Saints listed on July 27.

• Afterfeast of the Transfiguration of Our Lord, God, and Savior Jesus Christ.^{[1][note 2]}

• Holy Apostle Matthias (1st century)^[1][3][4][5]
• Martyr Anthony of Alexandria (2nd century)^[1][4][6][7]
• Venerable Psoes of Egypt (Psoy) (4th century)^[1][4][8][9]
• Saint Samuel of Edessa, presbyter (5-6th century)^[10]
• Saint Constantine I, Patriarch of Constantinople (677)^[11] (see also: July 29)
• The Holy Ten Martyrs of Halki, who defended the wonderworking icon of the Savior, made of copper:^[4][12]

• Martyrs Julian, Marcian, John, James (Jacob), Alexius, Demetrius, Photius, Peter, Leontius, Mary the Patrician, Gregory the protospatharios, two boys and others, of Constantinople (730)^{[10][1][13][note 3]}

• Saint Irene of Athens, Byzantine empress regnant and a strong iconodule (803)^[15][16][17] (see also: August 7)

• Saints Secundian, Marcellian and Verian, martyrs who suffered near Civitavecchia in Italy under Decius (250)^{[18][note 4][note 5]}
• Saint Numidicus and Companions, a group of martyrs burnt at the stake at Carthage in North Africa under Decius (251)^{[18][note 6][note 7]}
• Saint Romanus Ostiarius, an early martyr in Rome (258)^{[18][note 8]} (see also: August 10)
• Saints Firmus and Rusticus, two relatives, probably citizens of Bergamo in the north of Italy, honoured in Verona under Maximian (c. 290)^[14][18]
• Saint Amor (Amour), venerated in Franche-Comté in France together with St Viator.^{[18][note 9]}
• Saint Domitian of Châlons, third Bishop of Châlons-sur-Marne in France, Confessor (4th century)^[14][18]
• Saint Rusticus, a martyr at Sirmium in Pannonia (4th century)^[18]
• Saint Autor (Adinctor, Auteur), the thirteenth Bishop of Metz in France (5th century)^{[18][note 10]}
• Saint Bandaridus (Banderik, Bandery), Bishop of Soissons in France from 540 to 566 and founder of a monastery at Crépin (566)^{[18][note 11]}
• Saint Phelim, a disciple of St Columba (6th century)^{[18][note 12]}
• Saint Serenus, Bishop of Marseilles in France (606)^[18]
• Saint Nathy (Nath Í of Achonry, David), disciple of St Finian of Clonard (c. 610)^{[18][note 13]}

• Hieromartyr Euthymius of Rhodes (1529)^[19]
• Saint Macarius, founder of Oredezh Monastery (Novgorod) (1532)^[1][20][21]
• Saint Philaret (Gumilevsky), Archbishop of Chernigov (1866)^{[1][22][note 14]}
• Saint Alexis Medvedkov, Archpriest, of Ugine, France (1934)^[1][20] (see also: August 2)
• Saint Anthony (Nozdrin), schiarchimandrite of Balta (1960)^[23]
• Saint Severian (Beridze), deacon, confessor of Adjara (1996)^[24]

• Icon of the Savior "Not-Made-by-Hands" of Camuliana in Cappadocia (Image of Camuliana), an acheiropoieton (ca. 303)^[1]
• The Restoration of the Temple of the 40 Martyrs of Sebaste, in Constantinople.^{[20][16][note 16]}
• Synaxis of the Saints of Solovki.^{[1][20][16][27][note 17]}
• Canonization of Venerable Herman of Alaska, Wonderworker of America.^[28][29]

• Holy Apostle Matthias.
• Fresco of Saints Secundian, Marcellian and Verian.
• Saint Philaret (Gumilevsky).
• Holy New Martyr Ignatius (Bazyluk).
• Irene of Athens, Byzantine empress regnant.
• Venerable Herman of Alaska.