Κάστορος Οσίου
Feast day
The memory of St Castor is celebrated every year on August 12. Last feast was on a Tuesday. Next feast in 2026 will be a Wednesday on 10 months 3 weeks.
Fast
complete fasting day (nisteia)
The St Castor Day is not a fasting day per se, but in 2025 the date of August 12 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.