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## Surya Prajnapti Sutra (Chapter 9-11)
**9.** When the Sun traverses the innermost circle, encompassing all the other circles, and when it traverses the outermost circle, encompassing all the other circles, how many *raindhiya* are there in this half-cycle? There are three *raindhiya* in this half-cycle. The Sun's journey is characterized by suffering.
**10.** In this half-cycle, how many circles does the Sun traverse? It traverses 105 circles. It traverses 100 circles with suffering, as it exits and enters. It traverses two circles without suffering, namely the innermost and outermost circles. The duration of day and night in a solar year...
**11.** If in a solar year, there are 18 *muhutta* in a day and 18 *muhutta* in a night, there are 12 *muhutta* in a day and 12 *muhutta* in a night, in the first six months, there are 18 *muhutta* in a night, but not 18 *muhutta* in a day, there are 18 *muhutta* in a day, but not 12 *muhutta* in a night. In the second six months, there are 18 *muhutta* in a day, but not 18 *muhutta* in a night, there are 12 *muhutta* in a night, but not 12 *muhutta* in a day. In the first six months or the second six months, there are not 15 *muhutta* in a day, nor 15 *muhutta* in a night.
What is the reason for this?
The Jambudvipa island, encompassing all the islands and oceans, is 100,000 *yojana* in length and breadth, and 300,000 *yojana* in circumference, with 27 *yojana* and 3 *kosa*, 28 *dhanu* and 13 *angula*, half an *angula*, and a little more.
When the Sun traverses the innermost circle, it rises at the highest point of the mountain, resulting in 18 *muhutta* in a day and 12 *muhutta* in a night.
When the Sun is exiting, beginning a new year, in the first day and night, it traverses the innermost circle...