Αγίου Καλλίστου, πατριάρχου Κωνσταντινουπόλεως
Feast day
The memory of Saint Callistus is celebrated every year on June 20. Last feast was on a Friday. Next feast in 2026 will be a Saturday on 3 months 1 week.
Fast
fasting day with fish, wine and oil permitted (ichthyos)
The Saint Callistus Day is not a fasting day per se, but in 2026 the date of June 20 falls within a fasting period.
Take a look at the ephemeris of the day to see other saints and given names celebrated on the same day.