Lunar calendar: the seventh day of October in Jiazi year.
Zodiac killer: rats
Eight characters: Jia Haiding, Mao Renyin
Five elements: Shui Mu, Shui Mu, Homer, Shui Mu.
You are a "fire in the furnace", and your five elements are really short of gold and soil, but you were born in Jiazi, and you don't need compensation for missing five elements!