What does the Tibetan calendar number eight mean?

The eighth day of the Tibetan calendar. Tibetan calendar refers to the traditional calendar of Tibetans in China, starting from 1027. It has been circulating in Tibet for more than 1000 years, and it comes from the astronomical knowledge in Time Wheel Classic. Taking 60 years as a week, the year is based on the five elements of Yin and Yang and the zodiac, which is basically consistent with the 60-year division system of the mainland lunar calendar, so the Tibetan calendar No.8 is the Tibetan calendar No.8.