I Gua (Trigrams)

The formation of I Gua (Trigrams) is the resulted from the combination of Yin yao (阴爻) and Yang yao (阳爻), each I Gua is represented by 3 yao. There are total of 8 combinations which is named qian, dui, li, zhen, xuan, kan, gen, and kun. They are further divided into Yin Gua and Yang Gua. The Yin Gua are xuan, li, kun and dui. The Yang Gua are qian, kan, gen, and zhen.

Table below show the sequence of I Gua with its symbol of trigrams and represents：

Gua Name	Symbol	Nature	Five Element	Season	Family	Direction	Meaning
Qian(乾)		Heaven	Metal		Father	Northwest	Expansive energy. The sky. Creative
Dui(兌)		Lake	Metal	Autumn	Youngest Daughter	West	Joy. Satisfaction. Stagnation.
Zhen(震)		Thunder	Wood	Spring	Eldest Son	East	Excitation. Revolution. Division. Arousing
Li (離)		Fire	Fire	Summer	Middle Daughter	South	Rapid movement. Radiance. The sun. Clinging
Xuan(巽)		Wind	Wood		Eldest Daughter	Southeast	Gentle penetration. Flexibility.
Kan(坎)		Water	Water	Winter	Middle Son	North	Danger. Rivers. The abyss. The moon.
Gen(艮)		Mountain	Earth		Youngest Son	Northeast	Stillness. Immovability. The mountain
Kun(坤)		Earth	Earth		Mother	Southwest	Receptive energy, that which yields. Receptive.