Venerable Gregory of Sinai, hesychast father and teacher of the prayer of the heart.
April 6
Gregory was born in Asia Minor in the thirteenth century, was taken captive by the Turks, and after his ransom became a monk on Sinai, then in Crete, and finally on Mount Athos. There he taught the practice of inner stillness and the Jesus Prayer, gathering many disciples.
Driven from Athos by Turkish raids, he settled at Paroria on the Bulgarian border, where his community became a fountain of hesychasm for the Slavic lands. He reposed in the fourteenth century.
November 27
Saint Gregory was born in Asia Minor in the thirteenth century and became a monk on Mount Sinai, later settling on Mount Athos, where he taught the practice of inner prayer to many disciples. Because of Turkish raids he withdrew to Paroria in Bulgaria, where he founded a monastery.
His writings on watchfulness and prayer are included in the Philokalia. He reposed in 1346.
Feast day
On the New Calendar, Gregory of Sinai is commemorated on April 6. Churches on the Old (Julian) Calendar keep the feast on April 19 of the civil calendar.
On the New Calendar, Gregory of Sinai is commemorated on November 27. Churches on the Old (Julian) Calendar keep the feast on December 10 of the civil calendar.
Also commemorated on April 6

Platonis of Nisibis
Holy Woman, Πλατωνίς
Venerable Platonis, deaconess and foundress of a women's monastery near Nisibis.
120 Martyrs of Persia
Saint, Εκατόν Είκοσι Μάρτυρες εν Περσίδι
The Holy 120 Martyrs who were burned for Christ in Persia.
Gennadios of Dionysiou
Martyr, Γεννάδιος ο Διονυσιάτης
Holy New Martyr Gennadios of the Monastery of Dionysiou on Mount Athos.
Gregory the Byzantine
Venerable, Γρηγόριος ο εν Άθω
Venerable Gregory the Byzantine, Athonite hesychast and spiritual teacher of Saint Gregory Palamas.
Five New Martyrs of Samothrace
Saint, Πέντε Νεομάρτυρες Σαμοθράκης
Holy New Martyrs George, Manuel, Theodore, George and Michael of Samothrace.