About the lunar calendar and the solar calendar, how to calculate the birthday?

If you were born on February 22nd of Gregorian calendar 1996, it is the fourth day of the first lunar month. Gregorian birthday is February 22nd every year, and Lunar birthday is the fourth day of the first lunar month every year.

You want to be born on February 22nd of the lunar calendar 1996, which means April 9th of the solar calendar, and April 9th of the solar calendar means February 22nd of the lunar calendar.