Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
शशांके जन्मभागादिद्वि घ्नमिष्टकलाः स्मृताः ॥ ६७ ॥
śaśāṃke janmabhāgādidvi ghnamiṣṭakalāḥ smṛtāḥ || 67 ||
Apabila Bulan diperhitungkan, unit masa yang mujarab (kalā) diingati sebagai yang diperoleh dengan mengambil dua kali bahagian kelahiran (bermula dari darjah/segmen kelahiran).
Sanatkumara (teaching Narada in a technical Jyotiṣa-style instruction within Moksha Dharma discussions)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It links dharmic practice to right timing: the Moon (Chandra) is used to derive auspicious kalās, supporting disciplined ritual life that steadies the mind and aids progress toward Moksha.
While not directly praising Bhakti, it supports Bhakti-oriented observances by indicating how to choose favorable times; well-timed vows and worship help maintain steadiness (niyama) in devotion.
Vedāṅga Jyotiṣa (astronomical/astrological time-reckoning): a rule-of-thumb for muhūrta/kalā determination based on the Moon and the natal degree/portion (janma-bhāga), using a doubling operation (dvi-ghna).