Feast day
The memory of Ste Thecle is celebrated every year on September 24. Last feast was on a Tuesday. Next feast in 2025 will be a Wednesday on 8 months 2 weeks.
Fast
fasting day with fish, wine and oil permitted (ichthyos)
The Ste Thecle Day is not a fasting day per se, but in 2024 the date of September 24 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.