Why is Chen Jia a Qinglong?

A&B wood belongs to the East, and the first day in Liu Jia was on geomantic omen. According to Liu Jia's theory, A&B Oriental Wood began to become a green dragon. According to the theory of geomantic omen, the genus belongs to Qinglong in the east, while Chen belongs to twelve branches of dragons. In 2024, it was the year of Qinglong. These statements are based on the theory of Zhouyi and Feng Shui. It used to be based on heavenly stems and earthly branches Sixty-one Flowers, starting with Jia.