Yin-Yang and Five Elements: Yin belongs to yang wood (藏甲木主气), containing Bing fire (丙火) and Wu earth (戊土), representing the place of growth and transformation for fire and earth.
Monthly Order and Position: Corresponds to the first lunar month (Li Chun month), position northeast, Five Elements number 3/8.
Zodiac Correspondence: Represents the tiger in the twelve zodiac signs.
Hidden Stem Characteristics: Contains Jia wood (甲木), Bing fire (丙火), Wu earth (戊土), with energy for growth and transformation.
Special Relationships:
Six Conflicts: Yin and Shen (寅申) conflict
Six Harmonies: Yin and Hai (寅亥) harmonize
Three Harmonies: Yin, Wu, and Xu (寅午戌) form the fire frame
Three Meetings: Yin, Mao, and Chen (寅卯辰) meet in the eastern wood