China Naming Network - Fortune telling knowledge - In the year Jiawu, in the month Yihai, in the day Bingwu, in the hour Dingyou, what is missing from the five elements?

In the year Jiawu, in the month Yihai, in the day Bingwu, in the hour Dingyou, what is missing from the five elements?

Gregorian calendar: 18:00 on December 1, 2014 (Monday)

Lunar calendar: Unity hour on the tenth day of October in the year Jiawu

Eight characters: Jiawu, Yihai, and Bingwu Ding You

Five Elements: Wood, Fire, Wood, Water, Fire, Fire, Metal

What is missing from the Five Elements: Earth

Zodiac: Horse