Tobi 10 – Coptic calendar – Tobi 12 The eleventh day of the Coptic month of Tobi, the fifth month of the Coptic year.
On a common year, this day corresponds to January 6, of the Julian calendar, and January 19, of the Gregorian calendar.
This day marks the start of the Coptic season of Shemu, the season of the Harvest, during which the crops mature and become ready to be reaped.
To mark the change of season, the "Litany of the Plants" is replaced by the "Litany for the Air of Heaven and the Fruits" in liturgical services.
[1] On this day, the Coptic Church celebrates the Feast of the Theophany.