How Accurate Is The Chinese Lunar Calendar. The calendar's precision in tracking lunar and solar cycles showcases the advanced understanding ancient chinese scholars had of the cosmos. But on the chinese lunar calendar, a week, known as xún, is 9 or 10 days depending on if the month has 29 or 30 days.
On the gregorian calendar, a week is 7 days. The chinese lunar calendar is also split into 24 solar terms (2 per.