Ylir[]
The last month of the Northern calendar, roughly equivalent to our December. The Winter Solstice is around the 21st day of Ylir, most years. That day is mentioned in The Saga of Asa Oathkeeper as the birthday of Asa Ragnvaldardottir (Asa Eidhsvardhkona, Asa Oathkeeper) in the year 855 N.Y.
Equivalent: December