The seasons of V’harn are named after the Lords and Ladies of these seasons,
Winter = Nimos
Spring = Troinus
Summer = Ondulos
Autumn – Naylos
Each of the seasons are 90 days long. The 90 days have 3 divisions of 30 corresponding with 1st, 2nd and 3rd. i.e the 35th day of Summer would be known as 5th day of 2nd Ondulos. The calendars across V’harn are reckoned as such.
The turn of the year occurs in 2nd Nimos. 15th day of 2nd Nimos is the old year, 16th day of 2nd Nimos is the new year.