Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
धर्मायारिसतांत्येर्कात्साद्यत्रिस्वगता स्वभात् । षट्खायाष्टाब्धिखोष्विज्यात्सहाद्येषु विलग्नतः ॥ १५८ ॥
dharmāyārisatāṃtyerkātsādyatrisvagatā svabhāt | ṣaṭkhāyāṣṭābdhikhoṣvijyātsahādyeṣu vilagnataḥ || 158 ||
From the Sun’s own radiance, as it moves through the zodiacal divisions beginning with Aries, the result is to be understood by the Lagna (ascendant): in the six “houses” and the other eight classes, together with the accompanying factors beginning with the nakṣatras—thus one should determine the rising sign.
Sanatkumara (teaching Narada on technical determination related to dharma and time)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It frames Jyotiṣa (astral calculation) as a dharma-supporting tool: by reading time through the Sun’s course and the lagna, one aligns actions with cosmic order rather than mere impulse.
Indirectly: it supports bhakti-practice by emphasizing proper timing and order (kāla-dharma), which traditionally helps devotees perform vrata, japa, and pūjā with steadiness and discipline.
Vedāṅga Jyotiṣa—using the Sun’s movement through signs (starting with Aries) and related divisions to determine the lagna/ascendant and interpret outcomes across houses and associated factors.