June 12 (Eastern Orthodox liturgics)
June 11 - Eastern Orthodox Church calendar - June 13
All fixed commemorations below celebrated on June 25 by Old Calendarists
Saints
- Venerable Onuphrius the Great (4th century)
- Venerable Peter of Mount Athos (734)
- Venerable Arsenius of Konevits, abbot in Valaam (1447)
- Saints John, Andrew, Heraclemon, and Theophilus, hermits of Egypt (4th century)
- Saint John the Soldier of Egypt (7th century)
- Saint Onuphrius of Malsk in Pskov, abbot (1492)
- Saint Onuphrius and Auxentius, monks of Vologda (16th century)
- Saint Stephen of Komel, abbot of Ozersk Monastery in Vologda (1542)
- Saints Bassian and Jonah, monks of Pertomsk in Solovki (1561)
- Saint Anna of Kashin (1649)
- Saint Onuphrius of Katrom Monastery in Vologda, abbot (1592)
- Russian new martyrs Onuphrius, bishop, and those with him: Anthony, Barsanuphius, and Joseph (1938)
- Saint Julian of Dagaz
- Saint Zeno, monk