World Vedic Calendar is a Luni solar Saayana Panchanga (updated with respect to precession of earth). First time in the history of Indian calendars, the details of Vedic solar months and lunar months have been given. This calendar cites Indian Festivals as astronomical according to Saayana Panchanga and as historical according to Niryana Panchanga (irrespective of precession of earth). It provides information about several other eras of the world, Vedic health calendar and Vedic Agricultural calendar.