April 9-20, 200015.3.3 How old are you?

One-year-old 14-year-old algorithm: every birthday is one year longer.

The nominal age 16 years old nominal age algorithm: one year old at birth, and one year old every Spring Festival thereafter.

Zodiac dragon

Aries

Gregorian calendar date of birth: April 9, 2000 (birthday password/birthday book)

The date of birth in the lunar calendar is March 5, 2000 (Chen Geng year, Chen Geng month, Ding You day).