Narada Purana — Purva Bhaga, Shloka 59
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
मानांतरद्रुद्भूमिः स्यादथोभूनराहतिः । प्रभाप्ता जायते दीपशिखौच्च्यं स्यात्त्रिराशिकात् ॥ ५९ ॥
mānāṃtaradrudbhūmiḥ syādathobhūnarāhatiḥ | prabhāptā jāyate dīpaśikhauccyaṃ syāttrirāśikāt || 59 ||
By converting one unit of measure into another, the corresponding area is determined; likewise, the resulting quantity is obtained. From the illumination thus obtained, the height of a lamp’s flame is found by the rule of three (proportional calculation).
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It highlights that dharma and mokṣa-oriented life also values precise knowledge—right measure, right method, and clear reasoning—so that ritual, study, and practical duties are performed without error.
Indirectly: it supports bhakti by emphasizing disciplined, accurate practice—devotion is strengthened when worship and observances are done carefully and correctly, not carelessly.
It points to technical computation—unit conversion and trirāśi (rule of three)—a style of applied calculation associated with Vedāṅga Jyotiṣa and allied practical sciences used for correct ritual and time/measure determinations.