Vākyakaraṇa

Vākyakaraṇa is the source book of Vākyapañcāṅga which is a type of almanac popular among Tamil speaking people of South India. In Vākyapañcāṅga, the positions of the celestial entities and the timings of celestial events as obtained using the computational methods expounded in the text Vākyakaraṇa.