August 27 (Eastern Orthodox liturgics)
August 26 - Eastern Orthodox liturgical calendar - August 28
All fixed commemorations below are observed on September 9 by Eastern Orthodox Churches on the Old Calendar.
For August 27, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 14.
Saints
Saint Hosius the Confessor, Bishop of Cordova- Saint Liberius the Confessor, Pope of Rome
- Saint Arcadius, Eastern Roman Emperor
- Saint Praulius, Archbishop of Jerusalem Venerable Poemen the Great, of Egypt
- Saint Sabbas, monk, of Benephali.
- Saint Poemen of Palestine Great-martyr Phanourios the Newly-Revealed, of Rhodes.
- Martyr Anthousa the New, by drowning in a well.
- Venerable Theoklitos, a Magistros from Constantinople who retired from the world and took the monastic habit, becoming an ascetic on Mt. Olympos.
Pre-Schism Western saints
- Virgin-martyr Euthalia, in Leontini in Sicily
- Martyrs Rufus and Carpophorus, Martyrs in Capua under Diocletian
- Saint Rufus of Capua, Bishop of Capua and disciple of St Apollinaris of Ravenna.
- Saint Narnus, first Bishop of Bergamo in Italy.
- Saint Monica of Hippo
- Saint Caesarius of Arles, Bishop of Arles
- Saint Licerius, Bishop of Couserans
- Saint Syagrius, Bishop of Autun and Confessor
- Saint Etherius, Bishop of Lyon
- Saint Decuman of Watchet
- Saint Ebbo, Bishop of Sens
- Saint John of Pavia, Bishop of Pavia in Lombardy
- Saint Agilo, Monk of St Aper in Toul in France
- Saint Gebhard of Constance, Bishop of Constance in Germany
- Saint Malrubius, an hermit in Merns in Kincardineshire in Scotland, martyred by Norwegian invaders
Post-Schism Orthodox saints
- Hieromartyr Kuksha and St. Pimen the Faster, of the Near Caves in Kiev
New martyrs and confessors
- New Hieromartyrs Michael Voskresensky, Priest,, and Stephen Nemkov, Priest,, all of Nizhni-Novgorod
- New Hieromartyrs John Lebedev and John Smirnov, Priests
- New Hieromartyr Methodius, Abbot, of Sukovo
- New Hieromartyr Aleksander Tsitserov, Priest
- New Hieromartyr Vladimir Sokolov, Priest
- Saint Demetrius Kryuchkov the Confessor, Priest
Other commemorations
- Baptism of the Ethiopian eunuch Djan Darada, by Saint Philip the Evangelist, in Acts 8:26-40
- Uncovering of the relics of St. John Gashkevich, Archpriest, of Korma
- Slaying of Archimandrite Symeon, spiritual writer
- Repose of Archimandrite Sergius of New Valaam Monastery in Siberia
- Translation of the Relics of Saints Theognostus, Cyprian and Photius, Metropolitans of Moscow.