@JeffreyKotyk Interestingly, a certain Jaina astrologer named Sugrīva-muni is considered to be the originator of the Āya-praśna-praṇālī of Jaina Jyotiṣa (Praśna-śāstra) as well as the author of three texts: Āyapraśnatilaka, Praśnaratna, and Āyasadbhāva.
(Source: )