Complete Compendium of Five-Star and Three-Fate Astrology, Volume 1

Jia and Yi belong to the East and the element of Wood.
Bing and Ding belong to the South and the element of Fire.
Geng and Xin belong to the West and the element of Metal.

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Ren and Gui belong to the North and the element of Water.
Wu and Ji belong to the Center and the element of Earth.

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○ Mnemonic for the Transformations of the Ten Stems’ Heavenly Origins

original: 十干天元化運歌訣 (shí gān tiān yuán huà yùn gē jué). In traditional astrology, when two specific Stems meet, they "transform" into a new element. This song helps practitioners memorize these complex interactions.

Jia and Ji transform into Earth; Yi and Geng transform into Metal.
Ding and Ren transform into Wood, growing until they form a forest.
The Water cycle of Bing and Xin distinguishes between the clear and the turbid.
Wu and Gui head toward the South, where the light of the Fire lamp encroaches.

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○ Forward Order of the Twelve Earthly Branches

The Twelve Earthly Branches (Dizhi) are the foundation of the Chinese Zodiac and were used to track the twelve double-hours of a day and the twelve months of a year.

Zi, Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, Hai

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○ Reverse Order of the Twelve Earthly Branches

Hai, Xu, You, Shen, Wei, Wu, Si, Chen, Mao, Yin, Chou, Zi

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○ Combinations of the Twelve Earthly Branches

original: 十二支合 (shí èr zhī hé). This refers to the "Six Harmonies," where specific branches have a natural affinity for one another, often used to determine compatibility in marriage or timing for important events.

Zi combines with Chou
Yin combines with Hai
Mao combines with Xu
Chen combines with You
Si combines with Shen
The source text omits the final pair: Wu and Wei.