Lunar calendar: December 12th, Wuyin year (1998).
Spring Festival: February 16
Before the Festival: Wuyin Year
After the festival: the first year of the year.
Eight characters: Wu Chou Bingzi
Five elements: civil wood, earth, gold, earth, fire and water.
Orientation: Middle East, East, Middle East, West, North and South.
Zodiac: Tiger
As for vital signs, 1998 and 1999 are the same vital signs. Chengtou was born in Wuyin (1938, 1998) and Chengtou (1939, 1999).