Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
स्थिरीकृतार्द्धरा त्रार्द्धौ द्वयोर्विवरलिप्तकाः । षष्टिश्चाचंद्रभुक्ताप्ता पातकालस्य नाडिकाः ॥ १८३ ॥
sthirīkṛtārddharā trārddhau dvayorvivaraliptakāḥ | ṣaṣṭiścācaṃdrabhuktāptā pātakālasya nāḍikāḥ || 183 ||
Apabila ukuran separuh telah ditetapkan, dua unit trārdha membentuk sela yang dinamakan liptā. Dan enam puluh unit demikian, yang diperoleh melalui hisab bulan, menjadi nāḍikā (unit masa) bagi pātakāla, iaitu pembahagian masa yang ditentukan.
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It emphasizes that Dharma and ritual practice depend on correct kāla (time) reckoning; precise measurement supports disciplined observance and orderly spiritual life.
Bhakti practices (vratas, pūjā timings, fasts) rely on accurate time divisions; this verse supplies the technical groundwork so devotional observances align with śāstric timing.
Vedāṅga Jyotiṣa: it details technical subdivisions of time (liptā, nāḍikā) and notes their derivation through lunar computation used for calendrical and ritual scheduling.