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## Translation:
**322]** [Thunder and lightning are often due to the nature of the season / Therefore, from the Prardhra to the Swati Nakshatra, it is not considered an Adhyaya. 5. When there is a loud roar in the sky without clouds, or when there is thunder in the sky with clouds, it is an Aswadhyaya period for two Praharas. 6. In the Yupaka-Shukla Paksha, the first, second, and third days, the meeting of the evening glow and the moonlight is called Yupaka / On these days, one should not study from Prahara to night / 7. Yakshadeepta - Sometimes, a light that appears behind a flash of lightning in a particular direction, is called Yakshadeepta. Therefore, one should not study as long as the Yaksha-like light is visible in the sky. 8. Dhumika - From Krishna-Kartik to Magh, the time is the womb month of the clouds. In this, a fine, water-like mist of smoky color falls. It is called Dhumika-Krishna. As long as this mist falls, one should not study. 9. Mihika-Shweta - In winter, a fine, water-like mist of white color is called Mihika / As long as it falls, it is an Aswadhyaya period. 10. Raj-Udghāt - Due to the wind, dust spreads all over the sky / As long as this dust remains spread, one should not study. The above ten reasons are related to the sky, which are Aswadhyaya / The next ten reasons are related to the body, which are Adhyaya 11-12-13. Bones, flesh, and blood - If the bones, flesh, and blood of the five senses are visible, then it is an Aswadhyaya until these things are removed from there. The Vrittikar considers it an Aswadhyaya if these things are present within 60 hands around. Similarly, the bones, flesh, and blood of a human being are also considered an Adhyaya / The special thing is that their Aswadhyaya is for one hundred hands and one day and night. The Aswadhyaya of a woman's menstrual period is for three days / The Aswadhyaya of a boy and a girl's birth is considered to be for seven and eight days respectively. 14. Ashuchi-Mal-Mutra - It is an Aswadhyaya until the excrement and urine are visible. 15. Shmashan - The area around the cremation ground is considered an Aswadhyaya for one hundred hands on all sides. 16. Chandragrahan - During a lunar eclipse, one should not study for the lowest period of one Prahara, the medium period of twelve Praharas, and the highest period of sixteen Praharas. 17. Surya Grahan - During a solar eclipse, it is also considered an Aswadhyaya period for one Prahara, twelve Praharas, and sixteen Praharas respectively.