Venerable Platonis, deaconess and foundress of a women's monastery near Nisibis.
Platonis served as a deaconess and then withdrew to the desert near Nisibis in Mesopotamia, where she founded a community of nuns under a strict rule of prayer, fasting and silence.
She guided her sisters by her own example and reposed in peace in the early fourth century.
Feast day
On the New Calendar, Platonis of Nisibis is commemorated on April 6. Churches on the Old (Julian) Calendar keep the feast on April 19 of the civil calendar.
Also commemorated on April 6

Gregory of Sinai
Venerable, Γρηγόριος ο Σιναΐτης
Venerable Gregory of Sinai, hesychast father and teacher of the prayer of the heart.
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.