June 25 (Eastern Orthodox liturgics)
June 24 - Eastern Orthodox Church calendar - June 26
All fixed commemorations below celebrated on July 8 by Orthodox Churches on the Old Calendar.
For June 25th, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 12.
Saints
- Virgin-martyrs Libya, Leonis, and Eutropa, of Palermo in Sicily Virgin-martyr Febronia of Nisibis
- Martyr Gallicanus the Patrician, in Egypt
- Martyrs Orentius, Pharnacius, Eros, Firmus, Firminus, Cyriacus, and Longinus, near Lazica
- Venerable Symeon of Sinai
- Venerable Martyrios, Bishop.
Pre-Schism Western saints
- Saint Prosper of Reggio, Bishop of Reggio in Emilia in Italy
- Saint Maximus of Turin, Bishop of Turin during the barbarian invasions of the north of Italy
- Saint Salomon of Cornwall, by tradition born in Cornwall, the husband of St Gwen and father of St Cuby, he lived in Brittany and was murdered by heathen
- Saint Gallicanus II, fifth Bishop of Embrun in France
- Saint Moluac, a disciple of St Brendan, he became Bishop of Lismore in Argyle in Scotland, Apostle to the Picts
- Saint Selyf, a hermit in St Levan in Cornwall
- Saint Adalbert of Egmond, hierodeacon
- Virgin-martyr Eurosia, at Jaca, Spain
- Saint Gohardus, Bishop of Nantes in France, martyred by raiding Normans while celebrating the liturgy
- Saint Solomon III, King of Brittany, a brave warrior against Franks and Northmen alike, martyr
Post-Schism Orthodox saints
- Saint Simeon od Sinai,
- Venerables Holy Prince Peter and Princess Febronia, wonderworkers of Murom
- Saint Theoleptus of Philadelphia, Metropolitan of Philadelphia
- Venerables Dionysius and Dometius of Dionysiou Monastery, Mount Athos.
- Saint Dalmatus, founder of the Dormition Monastery in Siberia
- Venerable Methodios of Nyvritos, near Gortyn in Crete, ascetic
- New Monk-martyr Procopius of Varna and Mt. Athos, at Smyrna
- New Martyr George of Attalia, at Krene in Asia Minor
- Saint Cyprian, hieromonk of Svyatogorsk Monastery
New martyrs and confessors
- New Hieromartyr Basil Militsyn, Priest
- New Hiero-confessor Nikon, Hieromonk of Optina Monastery
- New Hieromartyr Basil Protopopov, Priest
Other commemorations
- Repose of Hierodeacon Serapion of Glinsk Hermitage