Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
विपटीतायनगतौ चंद्रार्कौ क्रांतिलिप्तिकाः । समास्तदा व्यतीपातो भगणार्द्धे तपोयुतौ ॥ १७५ ॥
vipaṭītāyanagatau caṃdrārkau krāṃtiliptikāḥ | samāstadā vyatīpāto bhagaṇārddhe tapoyutau || 175 ||
जब चन्द्र और सूर्य विपरीत अयन-गति में हों, और लिप्तिका तक उनकी क्रान्ति ठीक-ठीक समान हो जाए, तब भगण के अर्ध-चक्र में तपः-शक्ति से युक्त ‘व्यतीपात’ योग होता है।
Sanatkumara (in dialogue with Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It frames Vyatīpāta as a time-condition carrying strong tapas-like intensity, implying that actions performed then can become spiritually weighty and therefore require discernment and purity.
While technical, it supports bhakti-practice by emphasizing right kala (sacred timing): a devotee aligns worship and vows with dharmic time-knowledge so that devotion is performed with greater steadiness and fewer obstacles.
Vedāṅga Jyotiṣa: it defines Vyatīpāta yoga through Sun–Moon positional relations and precision units (liptā/minutes), showing how calendrical astronomy informs ritual timing.