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 ||
إن كانت التِثي حاضرةً كاملةً سُمّيت «أَخَنْدَا» (akhaṇḍā، غير منقطعة)؛ وإن كانت ناقصةً سُمّيت «خَنْدَا» (khaṇḍa، منكسرة). والتِثي هي الجزء الخامس عشر من الشهر القمري، تبدأ على الترتيب من براتيبادا (Pratipadā) وما بعدها.
Narada (teaching in a technical context of tithi computation)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
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.