August 20 (Eastern Orthodox liturgics)
August 19 – Eastern Orthodox liturgical calendar – August 21
All fixed commemorations below are observed on September 2 by Orthodox Churches on the Old Calendar.
For August 20, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 7.
Feasts
- Afterfeast of the Dormition.
Saints
Prophet Samuel- Hieromartyr Philip of Heraclea, Bishop, and with him Martyrs Severus, Memnon, and 37 soldiers, in Philippopolis, Thrace
- Saints Reginus and Orestes the Great Martyrs, in Cyprus.Martyr Lucius the Senator, of Cyprus
- Martyrs Heliodorus and Dosa in Persia
- Martyr Photine, at the gates of Blachernae.
- Saint Hierotheus, first Bishop and Enlightener of Hungary
- Saint Stephen I of Hungary, King of Hungary
Pre-Schism Western saints
- Saint Porphyrius, an early martyr in Palestrina near Rome.
- Saint Amator, hermit.
- Saint Maximus, a disciple of St Martin and founder of the monastery of Chinon in France, confessor
- Martyr Oswine of Deira, king of Deira
- Saint Haduin, Bishop of Le Mans in France, he founded several monasteries including Notre-Dame-d'Evron
- Saint Philibert of Jumièges
- Saint Eadberht of Northumbria, successor of St Ceolwulf on the throne of Northumbria in England, then became a monastic
- Saint Burchard, monk at Lobbes Abbey in Belgium, then became Bishop of Worms where he was a canonist
Post-Schism Orthodox saints
- Venerable Abramius of Smolensk, Archimandrite, Wonderworker of Smolensk,
- New Martyr Theocharis of Neapolis, Cappadocia
New martyrs and confessors
- New Hieromartyr Vladimir Chetverin, Priest
- New Martyrs of Estonia :
Other commemorations
- Repose of Hieromonk Seraphim Rose of Platina, California
- Repose of Archimandrite Spyridon of Kyiv