Αγίου Μαρδονίου
Feast day
The memory of St. Mardonius is celebrated every year on September 30.
Fast
fasting day with fish, wine and oil permitted (ichthyos)
The St. Mardonius Day is not a fasting day per se, but in 2026 the date of September 30 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.