[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Archaeology, epigraphy and coins](https://indike.org/pramana/ins.epigraphy) › [Book of Indian Eras, with Tables for Calculating Indian Dates](https://indike.org/pramana/ins.epigraphy.cunningham-1883) › c8.6 # Book of Indian Eras, with Tables for Calculating Indian Dates c8.6 Book of Indian Eras, with Tables for Calculating Indian Dates c8.6 - **Language:** English ### [c8.6](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8.6) The statement of Varâha, quoted above, that the year has to bear the name of the mansion in which Jupiter rises requires some explanation. The twenty-seven Nakshatra, or lunar mansions, are divided into twelve groups, nine of which comprise two mansions only, and the remaining three each three mansions. One Nakshatra in each of these twelve groups gives its name to the luni-solar months, and consequently to the years of this cycle. - [Previous: c8.5](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8.5) - [Next: c8.7](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8.7) - [Up: c8](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8) --- Source: [https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8.6](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c8.6) · Pramāṇa