Narada Purana — Purva Bhaga, Shloka 155
Graha–Ketu–Utpāta Lakṣaṇas: Solar/Lunar Omens, Comets, Eclipses, and Calendar Rules
विद्यते सा त्वखंडा स्यान्न्यूना चेत्खंडसंज्ञिता । तिथेः पंचदशो भागः क्रमात्प्रतिपदादयः ॥ १५५ ॥
vidyate sā tvakhaṃḍā syānnyūnā cetkhaṃḍasaṃjñitā | titheḥ paṃcadaśo bhāgaḥ kramātpratipadādayaḥ || 155 ||
सा तिथिर्यदि पूर्णा, तदा ‘अखण्डा’ इति; न्यूना चेत् ‘खण्ड’संज्ञिता। तिथेः पञ्चदशो भागो मासस्य, प्रतिपदादिक्रमात्॥
Narada (teaching in a technical context of tithi computation)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
FAQs
It grounds spiritual practice in correct sacred time (kāla): vows and worship gain steadiness when performed on a properly determined tithi, distinguishing complete (akhaṇḍā) from deficient (khaṇḍa).
Bhakti is expressed through disciplined observances (vrata, pūjā) done at the right tithi; this verse supplies the time-rule so devotional acts align with dharmic order.
Jyotiṣa Vedāṅga (calendar science): a tithi is defined as one of fifteen parts, and the verse notes the technical distinction between akhaṇḍā and khaṇḍa tithi used in Panchanga-based ritual scheduling.