Age Difference Calculator
Difference
0 years, 0 days
0 total days
Calculations
We calculate the absolute difference between the two birth dates.
$$ \Delta t = | \text{Date}_1 - \text{Date}_2 | $$
FAQ
Does time of birth matter?
For most age comparisons, just the date is sufficient. If two people are born on the same day, time of birth is needed to determine the exact order, but this calculator focuses on calendar date difference.
Reference: Civil Time Standards