When is Nezha's birthday?

Nezha's eight characters are recorded in The Phantom of Life as follows: the year of Yihai, the month of Chen Geng, and the ugliness of Bing Xu. Jinke, the fire of life, was born in a lotus, was born in a thunderstorm, stepped on the steam wheel and rushed to the dragon on his birthday. Chen Geng Dragon is made of grey gold, and it is doomed to be killed by him ... Anyway, it's a myth, and it's made up by fortune tellers. To make people look better, it's a bit like numerology.