June 20 (Eastern Orthodox liturgics)
June 19 - Eastern Orthodox Church calendar - June 21
All fixed commemorations below celebrated on July 3 by Orthodox Churches on the Old Calendar.
For June 20th, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 7.
Saints
- Martyrs Paul, Cyriacus, Paula, Felicilana, Thomas, Felix, Martyrius, Vitaly, Crispinus, and Emilius, in Tomis, Moesia
- Hieromartyrs Aristocleus, priest, the deacon Demetrian, and the reader Athanasius, at Salamis on Cyprus 'Hieromartyr Methodius of Olympus in Lycia, Bishop of Patara
- Blessed Studius, founder of the Studion Monastery Venerable Nahum of Ochrid, Enlightener of the Bulgarians'''
- The Venerable Two Ascetic Hermits, reposed in peace in the desert.
Pre-Schism Western saints
- Saint Novatus, son of Pudens, senator of Rome, and brother of Sts Praxedes and Pudentiana
- Saint Alban, Protomartyr of Britain
- Saint Leucius the Confessor, Bishop of Brindisi
- Hieromartyr Silverius, Pope of Rome
- Saint Govan, hermit who lived in a fissure on the side of coastal cliff near Bosherston, in the Pembrokeshire Coast National Park, Wales
- Saint Florentina, Abbess, of Spain
- Saint Goban, an Irish Benedictine monk and spiritual student of Saint Fursey at Burgh Castle, Norfolk, England
- Saint Bain, a monk at Fontenelle in France, he became Bishop of Thérouanne
- Saint Helen, Abbess of the convent of Oehren in Trier in Germany
- Saint Adalbert of Magdeburg, Abbot of Weissenburg, and in 968 the first Archbishop of Magdeburg, with jurisdiction over the western Slavs or Sorbs
Post-Schism Orthodox saints
- Saint Minas, Bishop of Polotsk
- Right-believing Prince Gleb Andreyevich of Vladimir
- Venerable Callistus I, Patriarch of Constantinople Venerable Nicholas Kabasilas, Byzantine mystic and theological writer, spiritual child of St. Gregory Sinaitis
- Venerable new monk-martyr Zacharias of Arta, Greece
New martyrs and confessors
- New Hieromartyr Stanislav Nasadil, victim of the Nazi Croatia concentration camp at Gospić
Other commemorations
- Translation of the relics of Martyrs Inna, Pinna, and Rimma, Scythian disciples of Apostle Andrew, to Alushta in Crimea
- Translation of the relics and garments of Apostles Luke, Andrew, and Thomas, Prophet Elisha, and Martyr Lazarus to the Church of the Holy Apostles in Constantinople.
- Uncovering of the relics of Edward the Martyr, King of England
- Translation of the relics of St. Gurias, Archbishop of Kazan
- Finding of the relics of New Hieromartyr Raphael, Hieromonk, of Mytilene
- Icon of the Most Holy Theotokos "Odigitria", at the Xenophontos monastery on Mt Athos.
- Icon of the Most Holy Theotokos "Modensk-Kosninsk".