From what I have read, yes. They have a four season cycle to their year. There will also be a summer solstice, the longest day of the year, come July.
I had aimed to be more than tolerable as a child, although life removed me from my station early on. Mother was the hardest kind of wealthy personality. One who was never satisfied, ambitious to a fault. Now I suppose none of it much matters back home. Though I'm sure new Empires will clamour to fill the void of those that have fallen.