Tobi 9 – Coptic calendar – Tobi 11 The tenth day of the Coptic month of Tobi, the fifth month of the Coptic year.
On a common year, this day corresponds to January 5, of the Julian calendar, and January 18, of the Gregorian calendar.
This is the last day of the Coptic season of Peret, the season of emergence.
This day is the Paramoun of the Feast of the Theophany.