Is birthday according to the lunar calendar or the solar calendar?

According to the traditional customs and culture of China, birthdays should be celebrated according to the lunar calendar.

1. Lunar calendar is a unique calendar in China. It is actually a calendar that combines yin and yang, based on full and short moons and solar years in the form of leap months. 2. People in China pay great attention to birthdays, and birthdays can only be calculated in the lunar calendar, so it is impossible to celebrate birthdays in the solar calendar without paying attention to birthdays. Traditional festivals in China are based on the lunar calendar, taboos in China are based on the lunar calendar, and auspicious days are also based on the lunar calendar. The animal sign is very important in China people's mind, and people's animal sign is based on the lunar calendar. Most old people celebrate their birthdays in the lunar calendar, and remember that their children celebrate their birthdays in the lunar calendar. People celebrate their birthdays partly to celebrate and bless themselves, and partly to commemorate the hardships of their mothers' pregnancy in October and their parents' upbringing. In fact, the lunar calendar can be used, and happiness is the most important.