May 30 (Eastern Orthodox liturgics)

May 29 - Eastern Orthodox Church calendar - May 31

All fixed commemorations below celebrated on June 12 by Old Calendarists

Saints

• Venerable Isaac the Confessor, founder of the Dalmatian Monastery at Constantinople (383)
• Saint Macrina the Elder, grandmother of Saint Basil the Great (340)
• Saint James of Galich Monastery, monk
• Martyrs Natalius, Romanus, Meletius, and Euplius
• Blessed Constantine XI, last of the Byzantine Emperors, martyred by the Turks (1453)
• Martyr Barlaam of Caesarea in Cappadocia

Other commemorations

• Repose of Abbot Ephraim of Sarov (1778)