Chinese astrology uses the principles of Yin and Yang which says that the year which ends with an even number are yang and those which ends with an odd number are yin. There are 10 zodiac signs in Chinese astrology :
>> If the year ends in 0 it is Yang Metal.
>> If the year ends in 1 it is Yin Metal.
>> If the year ends in 2 it is Yang Water.
>> If the year ends in 3 it is Yin Water.
>> If the year ends in 4 it is Yang Wood.
>> If the year ends in 5 it is Yin Wood.
>> If the year ends in 6 it is Yang Fire.
>> If the year ends in 7 it is Yin Fire.
>> If the year ends in 8 it is Yang Earth.
>> If the year ends in 9 it is Yin Earth.