（邵子皇极经世。）
一分统十二秒。
一时统三十分，三百六十秒。
一日统十二时，三百六十分，四千三百二十秒。
一月统三十日，三百六十辰，（三十个十二辰。）一万八百分，十二万九千六百秒。
一年统十二月，三百六十日，（十二个三十日。）四千三百二十辰，十二万九千六百分。
一世统三十年，三百六十月，（三十个十二月。）四千三百二十日，十二万九千六百辰。
一运统十二世，三百六十年，（十二个三十年。）四千三百二十月，十二万九千六百日。
一会统三十运，三百六十世，（三十个十二世。）一万八百年，十二万九千六百月。
一元统十二会，三百六十运，（十二个三十运。）四千三百二十世，十二万九千六百年。
上九州十二宫天星分野。内经止言九宫分数，未有九州详载。按殷周以下之制，皆以
扬州隶丑，青州隶子，徐州隶戌，如前图之类，莫解所谓。且天星周于六合，而欲以中国尽配之，其
义何居？及考奇门诸家，则合于禹贡，复有此九宫分野，与前十二宫者有所不同，抑又何
也？此其中恐有误者，盖不在此则在彼矣。今并图于此，以便考正。
\r十干起子建寅图\pt13a13.bmp\r
十干起子歌
甲己还加甲，乙庚丙作初，丙辛从戊起，丁壬庚子居，戊癸何方始？壬子是直途。
求正月建寅法∶于子上进二位。如甲子至寅，即丙寅也。余仿此。
\r二十八宿五行所属图\pt13a14.bmp\r
\r九宫分野图\pt13a15.bmp\r
(Shao Yong's *Huangji Jingshi* [Supreme Principles Goverding the World].)
One *fen* [unit of time] comprises twelve *miao* [seconds].
One *shi* [two-hour period] comprises thirty *fen*, totaling three hundred and sixty *miao*.
One day comprises twelve *shi*, totaling three hundred and sixty *fen*, and four thousand three hundred and twenty *miao*.
One month comprises thirty days, totaling three hundred and sixty *chen* [time periods] (i.e., thirty sets of twelve Earthly Branches), eighteen hundred *fen*, and one hundred twenty-nine thousand six hundred *miao*.
One year comprises twelve months, totaling three hundred and sixty days (i.e., twelve sets of thirty days), four thousand three hundred and twenty *chen*, and one hundred twenty-nine thousand six hundred *fen*.
One *shi* [generation/30 years] comprises thirty years, totaling three hundred and sixty months (i.e., thirty sets of twelve months), four thousand three hundred and twenty days, and one hundred twenty-nine thousand six hundred *chen*.
One *yun* [cycle/120 years] comprises twelve *shi*, totaling three hundred and sixty years (i.e., twelve sets of thirty years), four thousand three hundred and twenty months, and one hundred twenty-nine thousand six hundred *bai* [hundreds of months? Note: Text says 百, likely a typo for 分 or just a unit count, literal translation used].
One *hui* [era/3600 years] comprises thirty *yun*, totaling three hundred and sixty *shi* (i.e., thirty sets of twelve generations), eighteen hundred years, and one hundred twenty-nine thousand six hundred months.
One *yuan* [great cycle/43200 years] comprises twelve *hui*, totaling three hundred and sixty *yun* (i.e., twelve sets of thirty eras), four thousand three hundred and twenty *shi*, and one hundred twenty-nine thousand six hundred years.
The above concerns the celestial division of the Nine Provinces and Twelve Palaces. The *Huangdi Neijing* [Yellow Emperor's Inner Canon] only mentions the numerical values of the Nine Palaces, without detailed records of the Nine Provinces. Examining the systems since the Yin and Zhou dynasties, Yangzhou is assigned to the Chou position, Qingzhou to the Zi position, and Xuzhou to the Xu position, as shown in the previous diagram; I do not understand the rationale behind this. Furthermore, while celestial stars surround the Six Directions, attempting to map all of China exclusively to them, what is the theoretical basis? Upon examining various schools of Qimen Dunjia [Mystical Door Hidden Formation], they align with the *Yu Gong* [Tribute of Yu], yet possess this Nine Palaces division which differs from the aforementioned Twelve Palaces. Why is this so? There must be an error within, either here or there. I have included the diagrams here for verification and correction.
[Image: Diagram of Ten Heavenly Stems Starting from Zi and Establishing Yin]
Song of Ten Heavenly Stems Starting from Zi
In years of Jia and Ji, start with Jia;
In years of Yi and Geng, Bing begins first;
In years of Bing and Xin, start with Wu;
In years of Ding and Ren, Geng occupies Zi;
Where does it begin in years of Wu and Gui? Ren at Zi is the direct path.
Method for determining the establishment of Yin in the first month: Advance two positions from "Zi". For example, from Jia Zi advancing two positions leads to Yin, resulting in Bing Yin month. Apply this logic to the rest.
[Image: Diagram of Five Elements Belonging to the Twenty-Eight Mansions]
[Image: Diagram of Nine Palaces Division]