Compared with birthdays, birthdays are based on yin and yang and five elements. The sun represents yang and the moon represents yin. On the earth, the sun is the source of energy and the moon is harmonious. The sun and the moon determine the ecological environment of the earth and have the greatest influence on the earth. Birth is based on the yin and yang and the five elements at birth, that is, the relationship between the sun and the moon at that time and place. The twelve constellations are based on the influence of the twelve fields they represent on people.
The earth is mainly influenced by the sun and the moon, while other spheres have little influence on the earth. Birthday is fundamentally analyzed from a person's essence, which can be said to be holistic, fundamental, decisive and inclusive. Its characteristic is that it can clearly reflect the overall state and trajectory of life, with the big seeing the small, the bigger the clearer, the smaller the more complicated. On the contrary, the constellation is based on the influence of the zodiac, which is a form of seeing the big from the small. It is clearer and more accurate in the performance of people's personality, but it is not easy to distinguish between people's fortune and life. Therefore, it is best to understand people's fate from the date of birth and personality characteristics from the constellation.