Check current age from a birth date and measure the time span between any two dates on the same page.
Current age
31y 7m 12d
Days lived
11.547 days
Until next birthday
141 days
Age is determined by whether the birthday has already occurred in the selected year, while date difference measures the full span between two calendar dates.
Yes. It uses the standard full-age approach based on whether the birthday has passed.
It measures the real elapsed difference between the start and end date. The same date returns zero days.