Ono Diciny (written in the abbreviated format On.D. or OnD) is a designation used within the Oloun calendar to denote the current historical era. The calendar era to which it refers is believed to be based upon the deliverance of Humanity from its apocryphal ancestral home, Sol System. Events Ono Diciny denote those that occurred after this exodus, those notated Prio Diciny (Pr.D.) occurred before.