May 27 (Eastern Orthodox liturgics)
May 26 - Eastern Orthodox Church calendar - May 28
All fixed commemorations below celebrated on June 9 by Orthodox Churches on the Old Calendar.
For May 27th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 14.
Saints
- Hieromartyr Therapont of Sardis, Bishop, by beheading
- Martyr Julius the Veteran, at Dorostolum in Moesia
- Virgin-martyr Theodora, and Martyr Didymus the Soldier, of Alexandria
- Martyr Eusebiotus, by fire.
- Martyr Alypius, by stoning.
- Martyr Juliana.
- Hieromartyr Helladios, Bishop
- Saint Michael of Parekhi, Georgia
- Saint Basil of Khakhuli, son of King Bagrat III
Pre-Schism Western saints
- Saint Restituta and Companions
- Saint Eutropius of Orange
- Venerable Melangell of Wales, Abbess
- Martyr Ranulf, in Thélus near Arras in France
- Venerable Bede the Confessor, Hieromonk of Wearmouth-Jarrow
- Saint Bruno of Würzburg, Bishop of Würzburg
Post-Schism Orthodox saints
- Venerable Therapont of White Lake, Abbot of Byelozersk and Mozhaisk
- Saint Philip I, Metropolitan of Moscow
- Venerable Therapont of Monza, Abbot of Monza
- Venerable Hiero-schema-monk Lazarus of Pskov-Caves Monastery
- '''Saint John the Russian the Confessor, whose relics are on the island of Euboea'''
Other commemorations
- Translation of the relics of Sts. Cyprian, Photius, and Jonah, Metropolitans of Kiev.
- Translation of the relics of Venerable Nilus of Stolobny Island
- Blessed Zina of Vetluga