Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
सबलेंगेभतुल्याब्दैर्युतमायुर्भवेत्स्फुटम् । अंशद्विध्नमक्षांशं मासाः खत्र्यादिसंगुणात् ॥ १३५ ॥
sabaleṃgebhatulyābdairyutamāyurbhavetsphuṭam | aṃśadvidhnamakṣāṃśaṃ māsāḥ khatryādisaṃguṇāt || 135 ||
Sind die maßgeblichen Faktoren stark, wird die berechnete Lebensdauer deutlich: Man fügt Jahre hinzu, die der Zahl entsprechen, die dem Zeichen (rāśi) zugeordnet ist, beginnend mit Löwe. Man nimmt die akṣāṃśa (Breite) in Graden und verdoppelt sie; und durch Multiplikation mit den passenden Konstanten (beginnend mit „kha“ usw.) erhält man das Ergebnis in Monaten.
Sanatkumara (in instruction to Narada on technical computation)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It frames jyotiṣa as a disciplined, rule-based Vedāṅga tool—showing that even worldly measures like lifespan are approached through precise calculation under dharmic instruction, not superstition.
Direct bhakti practice is not taught in this line; instead, it supports the broader Purāṇic framework where correct knowledge (including Vedāṅga jyotiṣa) can guide a devotee’s disciplined life toward dharma and ultimately mokṣa.
Vedāṅga Jyotiṣa: an applied computational rule for āyurdaya (lifespan) using rāśi-based year additions, latitude (akṣāṃśa), degree-doubling, and traditional coefficient series to convert results into months.