Yes, but It is hard to imagine what they used to determine the orbital period without stable seasons. especially with unstable seasons where the night day periods are different. I ma still hoping that george springs a "The years are 440 days long" on us so that the characters are appropriately aged.

I'm just wondering how the concept of a year consisting of a fixed number of days-per-year came into use on such a world where the length of seasons are so inconsistent? The very concept of a year as the fulfillment of a pattern of recognizable seasons arose with the development of the organized agrarian society. …

No. 6; It's not a planet as we know it.