How it works
Calendar years and months are subtracted first; the remaining period gives the day count.
Enter a birth date and a reference date to get years, months, days and total days.
Exact calendar age on the selected date.
Calendar years and months are subtracted first; the remaining period gives the day count.
The main result counts complete calendar years and months, followed by the remaining days. Total days expresses the same interval as one continuous duration and includes leap years.
Last verified:
It counts complete calendar years, then complete months, then remaining days.