Koiak 26 – Coptic calendar – Koiak 28 The twenty-seventh day of the Coptic month of Koiak, the fourth month of the Coptic year.
On a common year, this day corresponds to December 23, of the Julian calendar, and January 5, of the Gregorian calendar.
This day falls in the Coptic season of Peret, the season of emergence.
This day falls in the Nativity Fast.