Time is reckoned by several different calendars in the world of Tolrea, depending on the race, nationality, and religious background of the individuals concerned. The human-dominated lands of the Aureshan Empire and Mereflow Valley rely upon the Harenic Calendar, a solar calendar containing 384 days divided among twelve months of four weeks each. Each week incorporates eight days. Veril Haren, Imperial Astrologer and Court Mage to Emperor Auresh XXII, devised the Harenic Calendar. A new year of the Harenic Calendar begins on the first day of Immeril, at the winter solstice.