Narada Purana — Purva Bhaga, Shloka 98
The Account of Kārtavīrya’s Protective Kavaca
Kārtavīrya-kavaca-vṛttānta
राहुश्च केतवो घोरा नक्षत्रा राशयस्तथा । तिथयः संक्रमा मासा हायना युगनायकाः ॥ ९८ ॥
rāhuśca ketavo ghorā nakṣatrā rāśayastathā | tithayaḥ saṃkramā māsā hāyanā yuganāyakāḥ || 98 ||
罗睺与计都——其作用令人战栗——以及诸宿（纳克沙特拉）与诸宫（黄道十二宫）；又有月日（提提）、太阳入宫（桑克兰提）、诸月、诸年与诸劫（瑜伽）之主，亦当了知。
Sanatkumara (teaching Narada in a Vedanga/Jyotisha context)
Vrata: none
Primary Rasa: adbhuta
Secondary Rasa: bhayanaka
FAQs
It frames time and celestial factors—nodes, stars, signs, tithis, and larger cycles—as part of dharmic order, guiding when actions and rites should be performed with awareness of cosmic rhythm.
By listing the time-units used to schedule vrata, pūjā, and festival observances, it supports bhakti in practice—devotion expressed through correctly timed worship and vows.
Vedāṅga Jyotiṣa: the calendrical-astronomical framework of nakṣatra, rāśi, tithi, saṅkrānti, month, year, and yuga-based reckoning used for ritual timing.