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## Chapter 1 [531]
18. **Anadhyayakala** (period of non-study) occurs when a great king or national leader dies. One should not perform **svadhyaya** (self-study) until their cremation is completed. Alternatively, one should gradually resume **svadhyaya** until a new authority takes over.
16. **Rajavyudgraha** (war between kingdoms) - When there is a war between neighboring kingdoms, one should not perform **svadhyaya** until peace is restored. Even after peace is established, one should refrain from **svadhyaya** for one day and night.
20. **Audarik** (generous) **sharira-upashraya** (body-shelter) - When a five-sensed being dies within a generous body-shelter, one should not perform **svadhyaya** as long as the body remains. If the lifeless body remains within a 100-hand span, **svadhyaya** should be avoided. These ten reasons for **asvadhyaya** (non-study) are related to the generous body.
21-28. **Four Mahotsava** (great festivals) and **Four Mahapratipada** (great first days) - The four **Mahotsava** are: **Ashadha-Purnima**, **Ashwin-Purnima**, **Katik-Purnima**, and **Chaitra-Purnima**. The **pratipada** (first day) following these **Purnima** (full moon) days are called **Mahapratipada**. **Svadhyaya** is prohibited during these days.
29-32. **Pratah** (morning), **Sayam** (evening), **Madhyahna** (noon), and **Ardharatri** (midnight) - One should not perform **svadhyaya** one **ghadi** (hour) before and after sunrise, one **ghadi** before and after sunset, one **ghadi** before and after noon, and one **ghadi** before and after midnight.