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At Zi hour (23:00–01:00), the Shen of Man (Spirit of Man, a concept in acupuncture timing suggesting a vital energy point moves through the body) is located at the ankle. At Chou hour (01:00–03:00), it is at the head. At Yin hour (03:00–05:00), it is at the ear. At Mao hour (05:00–07:00), it is at the face. At Chen hour (07:00–09:00), it is at the neck. At Si hour (09:00–11:00), it is at the breast. At Wu hour (11:00–13:00), it is at the chest. At Wei hour (13:00–15:00), it is at the abdomen. At Shen hour (15:00–17:00), it is at the heart. At You hour (17:00–19:00), it is at the back. At Xu hour (19:00–21:00), it is at the waist. At Hai hour (21:00–23:00), it is at the thigh.

In the first lunar month, avoid the day of Chou. In the second month, avoid the day of Wei. In the third month, avoid the day of Yin. In the fourth month, avoid the day of Shen. In the fifth month, avoid the day of Mao. In the sixth month, avoid the day of You. In the seventh month, avoid the day of Chen. In the eighth month, avoid the day of Xu. In the ninth month, avoid the day of Si. In the tenth month, avoid the day of Hai. In the eleventh month, avoid the day of Wu. In the twelfth month, avoid the day of Zi.

At one year old, thirteen years old, twenty-five years old, thirty-seven years old, forty-nine years old, sixty-one years old, seventy-three years old, and eighty-five years old, the Shen of Man is located at the heart (another theory states it is at the head).
At two years old, fourteen years old, twenty-six years old, thirty-eight years old, fifty years old, sixty-two years old, seventy-four years old, and eighty-six years old, the Shen of Man is located at the throat.
At three years old, fifteen years old, twenty-seven years old, thirty-nine years old, fifty-one years old, sixty-three years old, seventy-five years old, and eighty-seven years old, the Shen of Man is located at the head.
At four years old, sixteen years old, twenty-eight years old, forty years old, fifty-two years old, sixty-four years old, seventy-six years old, and eighty-eight years old, the Shen of Man is located at the shoulder.
At five years old, seventeen years old, twenty-nine years old, forty-one years old, fifty-three years old, sixty-five years old, seventy-seven years old, and eighty-nine years old, the Shen of Man is located at the back.
At six years old, eighteen years old, thirty years old, forty-two years old, fifty-four years old, sixty-six years old, seventy-eight years old, and ninety years old, the Shen of Man is located at the waist.
At seven years old, nineteen years old, thirty-one years old, forty-three years old, fifty-five years old, sixty-seven years old, seventy-nine years old, and ninety-one years old, the Shen of Man is located at the abdomen.
At eight years old, twenty years old, thirty-two years old, forty-four years old, fifty-six years old, sixty-eight years old, eighty years old, and ninety-two years old, the Shen of Man is located at the neck.
At nine years old, twenty-one years old, thirty-three years old, forty-five years old, fifty-seven years old, sixty-nine years old, eighty-one years old, and ninety-three years old, the Shen of Man is located at the foot.
At ten years old, twenty-two years old, thirty-four years old, forty-six years old, fifty-eight years old, seventy years old, eighty-two years old, and ninety-four years old, the Shen of Man is located at the knee.
At eleven years old, twenty-three years old, thirty-five years old, forty-seven years old, fifty-nine years old, seventy-one years old, eighty-three years old, and ninety-five years old, the Shen of Man is located at the yin region (genitals).
At twelve years old, twenty-four years old, thirty-six years old, forty-eight years old, sixty years old, seventy-two years old, eighty-four years old, and ninety-six years old, the Shen of Man is located at the thigh.