Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
छाया श्रृङ्गोन्नतियुती पातसाधानमीरितम् । जातके राशिभेदाश्च ग्रहयोनिश्च योनिजम् ॥ ४ ॥
chāyā śrṛṅgonnatiyutī pātasādhānamīritam | jātake rāśibhedāśca grahayoniśca yonijam || 4 ||
நிழல்-சங்கு, கொம்பு-யந்திரம், உயர்வு-அளவீடு முதலியவற்றால் ‘பாத’ (அவநதி) நிர்ணயிக்கும் முறை கூறப்பட்டது. ஜாதகத்திலும் ராசி வேறுபாடுகள், கிரஹ-யோனி, அவற்றிலிருந்து பிறக்கும் யோனிஜம் ஆகியவை விளக்கப்பட்டன.
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It frames Jyotiṣa as a disciplined, measurable Vedāṅga—linking precise astronomical calculation (shadow/elevation) with responsible interpretation in a jātaka, supporting dharma-guided living within Mokṣa-oriented teaching.
Indirectly: by emphasizing accurate knowledge and right discernment in life-decisions, it supports a sattvic, dharma-aligned life that can be dedicated to Vishnu-bhakti without superstition or error.
Jyotiṣa Vedāṅga—use of chāyā (shadow/gnomon) and elevation measurements to compute astronomical parameters (pāta), and applying rāśi distinctions and graha-yoni classifications in birth-chart interpretation.