The Lucian Calendar is the most widely-used calendar on the continent of Calthera. Created in D.A. 325, it is named for Lucian of Sharr, the scholar who created it. It did not become widely used until approximately D.A. 500.
The Lucian Calendar divides each year into twelve months of thirty days each.
Prior to the Lucian Calendar, a number of different chronological systems were used. The most common in Deveneria was known as the Emperor’s Right. This method measured the passage of years according to the reigning Emperor, for example, “the fourteenth year of the reign of Julus II.” This method allowed for a great deal of confusion for many reasons. First, upon the coronation of a new emperor, the year would automatically change from “the fourteenth year of the reign of Julus II” to “the first year of the reign of Enaisan I.” Also, there might be confusion over the differences in “the thirtieth year of Julus II” and “the thirtieth year of the reign of Julus II,” with the first phrase used to define the emperor’s age and the second used to denote a point in time during his reign.
The Lucian Calendar recitified this by setting Year One to the historically agreed-upon date of the founding of Devenor by Emperor Deveros I. This date was known as Deveros Annum, or “the Year of Deveros,” abbreviated DA or D.A. All dates before that time were given the the designation Before Empire (BE or B.E.). Modern era years are commonly written with the designation before the number (D.A. 1), where as pre-empire dates are written with the designation after (1 B.E.). There is no year zero in this calendar, so the year D.A. 1 immediately follows 1 B.E.
Like many other elements of Imperial Devenerian culture, the Lucian Calender became widespread across the continent due to the empire’s control at the time of its adoption. Even though there are now a number of kingdoms free from Devenerian control, the Lucian Calendar persists because it is so widely used and understood by all.