Name days on June 20
Saints and feasts of June 20

Methodius, Bishop of Patara
Hierarch, Μεθόδιος
The Holy Hieromartyr Methodius was Bishop of Patara in Lycia at the turn of the fourth century. A learned shepherd and one of the notable church writers of his age, he defended the resurrection of the body and the purity of the faith, and composed works in praise of virginity. In the last great persecution he was seized for his confession of Christ and put to death by the sword.
Name days: Methodios
Nicholas Cabasilas
Venerable, Νικόλαος ο Καβάσιλας
Saint Nicholas Cabasilas was born in Thessaloniki around 1322, a nephew of Archbishop Neilos Cabasilas. A learned layman close to the emperor John Kantakouzenos, he wrote The Life in Christ and the Commentary on the Divine Liturgy, works of great depth on the sacraments.
Callistus I, Patriarch of Constantinople
Hierarch, Κάλλιστος Α΄ Κωνσταντινουπόλεως
Saint Callistus was a monk of Mount Athos and a disciple of Saint Gregory of Sinai. He became patriarch of Constantinople in 1350 and again in 1355, presided over the council that confirmed the teaching of Saint Gregory Palamas, and wrote lives of the saints and spiritual works. He reposed in Serres in 1363 while on an embassy to the Serbs.
Athanasius of Pentaschoinon
Venerable, Αθανάσιος ο Πεντασχινίτης
Saint Athanasius lived the ascetic life at Pentaschoinon near Larnaca in Cyprus and is honoured there as a wonderworker. Tradition relates that he was an obedient youth who died young and was revealed as a saint through miracles at his tomb, where a church was built in his name.