せいねんがっぴ生年月日seinengappi
1.
The specific date marking the day, month, and year when a person was born.
2.
A formal record indicating the day, month, and year of an individual's entry into the world.
3.
The chronological identifier that signifies a person's age and can be used for legal and administrative purposes.
Example:
生年月日は１９６０年２月１４日です。