In the Forgotten Realms, years (usually described as the passing of winters or summers) are referred to by names, each name consistent across the Realms. Each kingdom or city-state numbers years differently, usually to measure the reign of a dynasty or the current monarch, or since the founding of the country. The result is a hodgepodge of overlapping numbers that serve to confuse the ordinary person and frustrate the sage. The widespread differing year dates include the following: The current campaign date of the Forgotten Realms is 1375 DR—as of the real-world year of 2007.