Your sun pillar is Wuchen, Wu is earth, so you are born with earth. The destiny of each person determines the attributes of the Five Elements in his Rising Stem. If the sun pillar has not yet reached its end, it is also the earth destiny. The ancients gave a Nayin to each combination of stems and branches. There must be a saying, but Nayin, such as big forest trees, gold in the sand, etc., are not a person's Five Elements attributes.