What is missing from the five elements before 7pm on the 8th day of February in the lunar calendar of 1984?

Birthday (Gregorian calendar):

19:00, March 10, 1984

Birthday (lunar calendar): Eighth hour of the second lunar month of the Jiazi year

< p>Eight characters: Jiazi, Dingmao, Guimao, Renxu

Five elements: wood, water, fire, wood, water, wood, water and earth

Nayin: sea, gold, furnace, fire, gold foil, gold, sea water

Five elements Lack of gold