How to calculate the five elements? What's missing?

After careful inquiry, the results are as follows:

Gregorian calendar: 10 o'clock on September 21, 1992 (Monday)

Lunar calendar: August 20, Renshen year Sishi on the 5th

Spring Festival: February 4

Before the festival: Xinwei year

After the festival: Renshen year

Bazi characters : Ren Shen Ji You Geng Zi Xin Si

Five Elements: Water, Metal, Earth, Metal, Water, Metal, Fire

Orientation: North, West, Central, West, Northwest, Southwest

Defect: Wood

Zodiac: Monkey

Conclusion: The five elements lack wood.