The Monovian Calendar

 Seasons : Each season are 25 days long. There are no months. 100 days (four seasons) is 1 year. This is not earth.  Holidays (H) / Special Events (S) :
 * Flower Song (Spring)
 * Flame Song (Summer)
 * Leaf Song (Autumn)
 * Snow Song (Winter)
 * (H) New Light Festival (New Years) - [1st of Flower Song]
 * (H) Lover's Festival (Valentines Day) - [14th of Flower Song]
 * (H) Hallow's Passing (Halloween) - [21st of Leaf Song]
 * (S) Tournament of Honor (Only Great Houses partake, but everyone is allows to spectate)