Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
व्यस्ते युक्तांतिभागैश्च द्विघ्नतिथ्याहृता स्फुटम् । संस्कारदिकलंबनमंगुलाद्यं प्रजायते ॥ १६८ ॥
vyaste yuktāṃtibhāgaiśca dvighnatithyāhṛtā sphuṭam | saṃskāradikalaṃbanamaṃgulādyaṃ prajāyate || 168 ||
ഗണന ക്രമപ്പെടുത്തി അന്ത്യഭിന്നഭാഗങ്ങളോടെ ചേർത്ത്, ദ്വിഗുണിത തിഥിയാൽ സ്ഫുടമായി വിഭജിക്കുമ്പോൾ ശുദ്ധീകരിച്ച മാനം ഉദ്ഭവിക്കുന്നു; അതുതന്നെ സംസ്കാരാദി കർമങ്ങളുടെ ആധാരം—അംഗുലാദി അളവുകളുടെ।
Sanatkumara (teaching Narada in a technical passage)
Vrata: none (mentions tithi as computational basis, not a named vrata)
Primary Rasa: shanta
Secondary Rasa: none
It links precision in sacred calculation with saṃskāra (ritual correctness), implying that orderly knowledge and exact measures support dharma and disciplined spiritual life.
Indirectly: it emphasizes that devotional and dharmic observances rely on correct timing and measures; careful adherence to such foundations is presented as a supportive discipline for a devotee’s practice.
A technical method of calendrical/astral computation—using tithi-based division (including a ‘twice tithi’ factor) to obtain a precise value (sphuṭa) that becomes the basis for ritual measurement units like aṅgula.