Era of 78 CE, or simply Shaka Era, a system that is common in epigraphic evidence from southern India. A parallel northern India system is the Vikrama Era, which is used by the Vikrami calendar linked to Vikramaditya.

The beginning of the Shaka era is now widely equated to the ascension of Indo-Scythian king Chashtana in 78 CE. His inscriptions, dated to the years 11 and 52, have been found at Andhau in Kutch