10 days of dry cooperation with 12 ground support, composed of the 60-digit counting symbol, used in ancient China as the chronograph symbol, the year, month, day, and hour constitute the "eight characters" of each moment. Based on these time scales, the ancient sages observed and recorded natural phenomena, and summed up a set of laws of climate, phenology, and disease with time. They were recorded in the Yellow Emperor's Internal Classics in the Han Dynasty. This application uses 24 solar terms as the reference coordinates to display the changes of the commander of the middle, main, passenger, main and polite in different years, and supplemented by the "Yellow Emperor's Internal Economics". The explanation of the kind of Zhongyun. The summary of the ancients may not be entirely suitable for the present, but it is at least a reference point for us to observe nature.

For further knowledge of luck, please refer to the following article.
"One of the first knowledge of the five sports and six gas: the measurement of the daily support and time" http://blog.sina.com.cn/s/blog_62218b990101gbd5.html
"The first five of the five sports and six gas: the ten dry transport" http://blog.sina.com.cn/s/blog_62218b990101gc11.html
"The first five of the five sports and six gas: the five games are too bad, not as good as the air" http://blog.sina.com.cn/s/blog_62218b990101gcrc.html
"Four Games, Six Gas, First Knowledge: Main and Passenger" http://blog.sina.com.cn/s/blog_62218b990101gdf6.html
"Five Games, Six Gas, First Knowledge, Five: Five Transports, Time" http://blog.sina.com.cn/s/blog_62218b990101gdp3.html
"Five Games and Six Gases First Knowing Six: Twelve Chemicals" http://blog.sina.com.cn/s/blog_62218b990101ge3g.html
"The Seventh Movement of the Sixth Movement and the First Qi of the First Qi: The Year of the Main Air is No Change" http://blog.sina.com.cn/s/blog_62218b990101gegb.html
"Five Games and Six Gases at the Beginning of the Eighth: Politeness - Sitian, Zaiquan, and Qi" http://blog.sina.com.cn/s/blog_62218b990101geii.html
"The Five Movements of the Sixth Movement and the First Sense of the Air: The Pleasure of the Air and the Main Air - The Guest and the Pro" http://blog.sina.com.cn/s/blog_62218b990101gfel.html
"The first ten of the five movements and six gas: the superposition of transportation and gas - the assimilation of luck" http://blog.sina.com.cn/s/blog_62218b990101gfep.html