The aim of this lecture is to introduce the scientific spirit of Chinese culture and its historical advancement through an analysis of the "chronological system" and "calendar features" of Chinese culture. The Chinese "chronological system" divides the day into "12 hours", while in the West the day is divided into "24 hours"; in the West the day is divided into "96 quarters ", while in China it is divided into '100 quarters'. Secondly, the Chinese time terms "day, month and year" are all developed from physical terms. Thirdly, the Chinese calendar is characterised by lunisolar calendar, with the "19 years and 7 leap years" established more than 2000 years ago. The Chinese calendar is a perfect example of the precision and perfection of the Chinese calendar.