Birthday (lunar calendar): August 20th, Wu Jianian.
Eight characters: Wu Jia Gui You Ding Hai Ding Wei
Five elements: wood fire, water, gold fire, water, fire and earth.
Yin Na: the land, sky and river of the Golden House of the Golden Sword in the sand.
Five elements analysis:
Summary: Eight characters are strong, and eight characters like "earth", so it is best to use the word "earth" as the name.