Venerable Cassian the Recluse of the Far Caves of Kiev.
Cassian was a monk of the Kiev Caves Lavra who shut himself in a cell in the Far Caves and gave himself to prayer, fasting and obedience. The paterikon of the Lavra remembers him for humility and love of labor.
His relics rest in the Far Caves; he is placed in the thirteenth or fourteenth century.
Feast day
On the New Calendar, Cassian the Recluse of the Kiev Caves is commemorated on May 8. Churches on the Old (Julian) Calendar keep the feast on May 21 of the civil calendar.
Also commemorated on May 8

Arsenios the Great
Venerable, Αρσένιος ο Μέγας
Venerable Arsenios the Great, tutor of emperors who fled to the Egyptian desert.
Augustina the Martyr
Holy Woman, Αυγουστίνα
Holy Martyr Augustina of Constantinople.
Name days: Augustina, Avgoustina
Arsenios of Varnakova
Venerable, Αρσένιος ο Βαρνακοβίτης
Venerable Arsenios, founder of the Monastery of Varnakova in Nafpaktia.
Miles the Hymnographer
Venerable, Μήλης ο Υμνωδός
Venerable Miles the Hymnographer, an ascetic and composer of church hymns.