What is missing from the five elements if you were born on the unitary hour of Dingchou month, Jiawu year, Jiachen day?

Gregorian calendar: January 28, 2015 (Wednesday) 18:00

Lunar calendar:

Jiawu Year

Nineteenth day of December

Youshi

Eight characters: Jiawu, Dingchou

Jiachen

Guiyou

Five elements: wood, fire, fire Earth, Wood, Water, and Metal

What is lacking in the five elements: Nothing is lacking

Zodiac: Horse