Narada Purana — Purva Bhaga, Shloka 136
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
त्रिंशत्कृत्योयुगे भानां चक्रं प्राक्परिलंबते । तद्गुणाद्भदिनैर्भक्त्या द्युगणाद्यदवाप्यते ॥ १३६ ॥
triṃśatkṛtyoyuge bhānāṃ cakraṃ prākparilaṃbate | tadguṇādbhadinairbhaktyā dyugaṇādyadavāpyate || 136 ||
Dans un yuga, le cycle solaire—la roue des luminaires—achève sa révolution après trente répétitions ; et, par sa propre vertu, le nombre de jours qui en résulte s’obtient par le calcul des groupes de jours, avec une application digne de la bhakti.
Sanatkumara (in dialogue instruction to Narada on dharma/knowledge; technical reckoning framed as disciplined practice)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It frames precise time-reckoning (kāla-gaṇanā) as a disciplined, reverent practice—showing that knowledge, order, and careful attention can support dharma and spiritual life.
The word “bhaktyā” indicates doing even technical reckoning with devoted diligence—turning study and calculation into a form of sincere, attentive service rather than mere dry scholarship.
Vedāṅga Jyotiṣa (astronomical/astrological timekeeping): it points to computing cycles and deriving day-counts via grouped day-reckoning (dyu-gaṇa) within a yuga framework.