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[Chapter 323] [18. Patan - When a great king or national leader dies, one should not perform *svādhyāya* until his cremation is completed, or one should gradually resume *svādhyāya* until another official takes over. Rājavyaghraha - When there is a war between nearby kings, one should not perform *svādhyāya* until peace is restored, and even after that, one should not perform *svādhyāya* for one day and night. 20. Audārika Śarīra - When a five-sense being dies within a shelter, one should not perform *svādhyāya* as long as the body remains, and if the lifeless body remains within a hundred cubits, one should not perform *svādhyāya*. The above ten reasons for not performing *svādhyāya* are related to the audārika body. 21-28. Four Mahotsava and Four Mahāpratipadā - Āṣāḍha-Pūrṇimā, Āśvina-Pūrṇimā, Kālika-Pūrṇimā, and Chaitra-Pūrṇimā are the four Mahotsava. The pratipadā that comes after these Pūrṇimā is called Mahāpratipadā. Performing *svādhyāya* is prohibited during these days. 29-32. Prātaḥ, Sāyam, Madhyāhna, and Ardharātri - One should not perform *svādhyāya* 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.