As people were talking about Christmas, a holiday that doesn't exist. Here are the two winter holidays. 
First Day
The traditional start of the year, this holiday involves visits to neighbors and family (in remote areas, this was once an annual check to ensure everyone was alive), as well as a town gathering to commemorate the year past, accompanied by drinking and merriment.
Wintersend
Once called “Urthalis” and dedicated to Urthemiel, the Old God of Beauty, this holiday has now become a celebration of the Maker. It stands for the end of winter in many lands and coincides with tourneys and contests at the Proving Grounds in Minrathous. In southern lands, this holiday has become a day of gathering for trade, theater, and, in some areas, the arrangement of marriages. It is celebrated at the beginning of Pluitanis.