Synaxis of the holy Kollyvades Fathers of Mount Athos, renewers of the spiritual life of the Greek people.
The Kollyvades were a movement of Athonite fathers of the eighteenth century, among them Makarios of Corinth, Nikodemos of the Holy Mountain and Athanasios of Paros, who called the faithful back to the Church's tradition of frequent Communion, watchfulness and the prayer of the heart.
Mocked at first for their strictness about memorial services on Sundays, they became through the Philokalia and their other writings the spiritual renewers of Orthodoxy under Ottoman rule.
Feast day
On the New Calendar, Synaxis of the Kollyvades Fathers is commemorated on April 18. Churches on the Old (Julian) Calendar keep the feast on May 1 of the civil calendar.
Also commemorated on April 18

John the Hesychast
Venerable, Ιωάννης ο Ησυχαστής
Venerable John the Hesychast, disciple of Saint Gregory of Decapolis.
Athanasia of Aegina
Holy Woman, Αθανασία η εξ Αιγίνης
Venerable Athanasia of Aegina, abbess and wonderworker.
Name days: Athanasia, Athanassia, Nasia, Athanasoula
John the Tailor of Ioannina
Martyr, Ιωάννης ο Ράπτης
Holy New Martyr John of Ioannina, a tailor burned for Christ in Constantinople.
Akakios of Melitene
Hierarch, Ακάκιος Μελιτηνής
Saint Akakios, Bishop of Melitene, wonderworker and father of the Third Ecumenical Council.
Cyril VI of Constantinople
Hierarch, Κύριλλος ΣΤ' ο Ιερομάρτυς
Hieromartyr Cyril VI, Patriarch of Constantinople, hanged at Adrianople in 1821.