Narada Purana — Purva Bhaga, Shloka 152
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
भानौ क्षयधने कृत्वा मध्यलग्नं तदा भवेत् । भोग्यासूनूनकस्याथ भुक्तासूनधिकस्य च ॥ १५२ ॥
bhānau kṣayadhane kṛtvā madhyalagnaṃ tadā bhavet | bhogyāsūnūnakasyātha bhuktāsūnadhikasya ca || 152 ||
Khi Mặt Trời (Bhānu) ở cung ‘kṣaya’ (suy giảm), bấy giờ phải xác định ‘madhya-lagna’ (lagna trung thiên). Quy tắc này áp dụng cả khi prāṇa còn lại (chưa trải nghiệm) ít, và khi prāṇa đã tiêu dùng lại nhiều.
Sanatkumara (in instruction to Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
FAQs
It shows that even Moksha-oriented teaching includes precise Vedāṅga Jyotiṣa—right timing and correct calculation support disciplined dharma-practice, which in turn steadies the mind for liberation.
Indirectly: by emphasizing accurate sacred time-reckoning, it supports properly timed worship and observances—key supports for steady Viṣṇu-bhakti and regulated sādhana.
Vedāṅga Jyotiṣa: a procedural rule for computing madhya-lagna when the Sun is in a kṣaya condition, using measures of remaining vs. expended ‘asū/prāṇa’ units.