Each year has six months: Gabrielle, Xandra, Myr, Aether, Imaru, Uta.
Each month has six weeks: Gabrielle, Xandra, Myr, Aether, Imaru, Uta.
Each week has six days: Gabrielle, Xandra, Myr, Aether, Imaru, Uta.
So each year in this world is about 60% a year on Earth.