Ah, well... I am not sure if the traditions have changed since I left...

[given that most of the holidays she celebrated in the monastery were religious, and uh! (fe3h spoilers)!!]

But while I was there, we celebrated Saint Cichol Day on the twenty-seventh of Ethereal Moon, which was during the winter season. And when the winter and the year came to an end during Lone Moon, it was traditional to reflect on partings and acquaintances...