What exactly do I belong to? Is it a special case after all? Is there a professional teacher to answer it?

Lunar year 87 12, it should be the year of the rabbit! It was June that year, so there were two June. It's not surprising that the Chinese New Year is a month late! Birthday should be according to the lunar calendar, because according to the lunar calendar, it is a nominal age, and theoretically it should be one year old! So congratulations, you and I belong to the same genus, hehe!