Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
शशांके जन्मभागादिद्वि घ्नमिष्टकलाः स्मृताः ॥ ६७ ॥
śaśāṃke janmabhāgādidvi ghnamiṣṭakalāḥ smṛtāḥ || 67 ||
Khi xét đến Mặt Trăng, các đơn vị thời gian cát tường (kalā) được ghi nhớ là những phần thu được bằng cách lấy gấp đôi phần sinh (khởi từ độ/đoạn lúc sinh).
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).