Narada Purana — Purva Bhaga, Shloka 94
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
तद्गुमज्या त्रिजिवाप्ता तञ्चापं क्रांतिरुच्यते । ग्रहं संशोध्य मंदोञ्चत्तथा शीघ्नाद्विशोध्य च ॥ ९४ ॥
tadgumajyā trijivāptā tañcāpaṃ krāṃtirucyate | grahaṃ saṃśodhya maṃdoñcattathā śīghnādviśodhya ca || 94 ||
La «gumajyā» (sinus calculé), une fois obtenue avec la «tri-jivā» (rayon), donne l’arc; et cet arc est nommé «krānti», la déclinaison de la planète. Ensuite, après avoir rectifié la position de la planète, qu’on applique aussi la correction due au «manda-ucca» (apogée lent) et, de même, la correction due au «śīghra» (anomalie rapide).
Sanatkumara (teaching Narada technical computation within the broader Moksha-Dharma discourse)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It frames Jyotiṣa as a disciplined, corrective science—refining perception through calculation—supporting dharma by enabling accurate timing and understanding of cosmic order (ṛta).
Indirectly: by teaching precise calendrical and planetary corrections, it underpins proper observance of vows, fasts, and worship timings—practices that nourish steady Viṣṇu-bhakti in daily life.
Vedāṅga Jyotiṣa: converting a sine (jyā) to an arc (cāpa) to obtain krānti (declination), and applying manda-ucca and śīghra corrections for accurate planetary positions (graha-śodhana).