Why do many people celebrate New Year's birthdays?

Lunar calendar, namely lunar calendar, old calendar, yellow calendar and China traditional calendar.

Gregorian calendar, namely solar calendar, new calendar, national calendar and international calendar.

In real life, a large number of social activities use the Gregorian calendar (solar calendar);

Because it has a strong connection with social activities,

Therefore, many people in China began to choose the solar calendar birthday (the same every year, easy to remember);

This can not be evaluated as "an absurd practice", it is a pragmatic approach;