Calculate exact age in years, months and days from a date of birth.
| Input | Result |
|---|---|
| Born 1990-05-10 | about 36 years |
| Born 2000-01-01 | about 26 years |
| Born 2015-12-31 | about 10 years |
By counting full years first, then remaining months, then remaining days between the birth date and today.
Yes, leap-day birthdays are handled by standard date arithmetic.
Yes — any birth date works, not just people.