Age calculator
Birth date → years, months, days (and total days). Optional “as of” date.
Ready
How it works
Age is computed in the local timezone using calendar dates (Y-M-D), not a fixed 365.25-day year alone. Total days uses UTC midnight differences to avoid DST hour glitches.
Examples
Born 1990-06-15 as of 2026-06-15 → 36 years 0 months 0 days
FAQ
Leap years? Calendar month/day borrow handles Feb 29 paths where possible.
Future DOB? Flagged as invalid if birth is after “as of”.
Time of day? Date-only; not hours/minutes old.
Legal age? Informational only — not legal advice.
Uploaded? No.