Lunar calendar: the first day of May in Ding Hai.
Spring Festival: February 18
Before the festival: Xu Bingnian
After the festival: Ding Hainian
Eight characters: Ding Hai, Wu Bing, Chen Geng, Xin Si
Five elements: fire, water, fire, gold, earth and gold.
Orientation: North, South, South, West, Central and Southwest.
What are the five elements missing: wood
Zodiac: pig