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## Translation:
**[252]**
**9. Dhumika-Krishna:** A fine mist of water particles, appearing dark in color, is called Dhumika-Krishna. As long as this mist persists, one should not engage in self-study.
**9. Mihika-Shweta:** In the winter, a fine mist of water particles, appearing white in color, is called Mihika. As long as this mist falls, it is a time for non-study.
**10. Raj Udghāt:** Due to wind, dust spreads throughout the sky. As long as this dust remains, one should not engage in self-study.
The above ten reasons are related to the sky and are considered times for non-study. The following ten reasons are related to the material world and are also considered times for non-study.
**11-12-13. Bones, Flesh, and Blood:** If the bones, flesh, and blood of a five-sensed non-human being are visible, then one should not engage in self-study until these objects are removed. The commentator considers a radius of 60 cubits around these objects as a time for non-study.
Similarly, the bones, flesh, and blood of a human being are also considered a time for non-study. The difference is that the non-study period for these objects extends to 100 cubits and lasts for one day and night. For a woman's menstrual cycle, the non-study period is three days. For the birth of a boy and a girl, the non-study period is seven and eight days respectively.
**14. Ashchi-Mal-Mūtra:** As long as excrement and urine are visible, it is a time for non-study.
**15. Shmashān:** A radius of 100 cubits around a cremation ground is considered a time for non-study.
**16. Chandragrahaṇa:** During a lunar eclipse, one should not engage in self-study for eight, twelve, or sixteen praharas, depending on the severity of the eclipse (least, moderate, and most severe respectively).
**17. Sūryagrahaṇa:** During a solar eclipse, one should also not engage in self-study for eight, twelve, or sixteen praharas, depending on the severity of the eclipse (least, moderate, and most severe respectively).
**18. Patan:** Upon the death of a great king or a prominent person, one should not engage in self-study until their cremation is completed. Alternatively, one should gradually resume self-study after a new authority takes over.
**19. Rājavyuḍgraha:** When neighboring kings engage in war, one should not engage in self-study until peace is restored. Even after peace is restored, one should not engage in self-study for one day and night.
**20. Audārika Sharīra:** If a five-sensed being dies within the shelter, one should not engage in self-study until the body is removed. If the lifeless body remains within a radius of 100 cubits, one should not engage in self-study.
The above ten reasons are related to the material body and are considered times for non-study.
**21-28. Four Mahotsava and Four Mahāpratipadā:** The four Mahotsava are: Āṣāḍha Pūrṇimā, Āśvina Pūrṇimā, Kārttika Pūrṇimā, and Chaitra Pūrṇimā. The pratipadā that follows these Pūrṇimā is called Mahāpratipadā. Self-study is prohibited during these days.
**29-32. Prātaḥ, Sāyam, Madhyāhna, and Ardharātri:** One should not engage in self-study one ghaḍī before and one ghaḍī after sunrise, one ghaḍī before and one ghaḍī after sunset, one ghaḍī before and one ghaḍī after midday, and one ghaḍī before and one ghaḍī after midnight.