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## Translation:
**530]** [Thunder and lightning are often due to the nature of the season. Therefore, from Pārdra to Svāti Nakshatra, it is not considered an Adhyāya (period of study). / 5. Nirghāta - When there is a loud thunder in the sky without clouds, or when there is lightning in the sky with clouds, there is an Asvādhāya (period of non-study) for two Praharas (3 hours). 6. Yūpaka - In the Shukla Paksha (bright fortnight), the first, second, and third days, the meeting of the twilight glow and the moonlight is called Yūpaka / On these days, one should not study from Prahara to night. 7. Yakṣādīpta - Sometimes, a light that appears in a direction like lightning, but with a slight delay, is called Yakṣādīpta. Therefore, as long as the Yakṣākāra (Yaksha-like light) is visible in the sky, one should not study. / 8. Dhūmikā-Kṛṣṇa - From Kārttika to Māgha, the time is the womb month of the clouds / In this, a fine water-like mist of smoky color falls. It is called Dhūmikā-Kṛṣṇa / As long as this mist falls, one should not study. / 9. Mihikāśveta - In winter, a fine water-like mist of white color is called Mihikā. As long as it falls, it is an Asvādhāya period. 10. Raja-Udghāta - Due to the wind, dust spreads all around in the sky / As long as this dust remains spread, one should not study / The above ten reasons are related to the sky, and are considered Asvādhāya. The next ten reasons are related to the Audārika (worldly affairs). 11-12-13. Bone, Flesh, and Blood - If the bone, flesh, and blood of a five-sensed animal are visible, then it is an Asvādhāya until these things are removed from there. The commentator considers it an Asvādhāya if these things are present within 60 hands (approximately 30 meters) around. / Similarly, the bone, flesh, and blood of a human being are also considered an Asvādhāya. The difference is that their Asvādhāya lasts for 100 hands (approximately 50 meters) and one day and night. The Asvādhāya of a woman's menstrual period lasts for three days / The Asvādhāya of the birth of a boy and a girl is considered to be seven and eight days respectively. / 14. Praśuci - As long as feces and urine are visible, it is an Asvādhāya. 15. Śmaśāna - A hundred hands (approximately 50 meters) around the cremation ground is considered an Asvādhāya. 16. Chandragrahaṇa - During a lunar eclipse, one should not study for eight Praharas (24 hours) for the lowest, twelve Praharas (36 hours) for the middle, and sixteen Praharas (48 hours) for the highest. 17. Sūryagrahaṇa - During a solar eclipse, it is also considered an Asvādhāya period for eight, twelve, and sixteen Praharas respectively.