Does the calculator handle leap years?

Yes. It accounts for leap years when computing the exact difference in years, months, and days.

Are results affected by my timezone?

The tool is timezone-safe. Calculations are performed consistently to avoid date-shift issues across timezones.

Yes. You can view fine-grained totals such as days, weeks, months, hours, and minutes.

Yes. Use compare mode to calculate the difference between any two dates, not just DOB and today.

No. Everything runs locally in your browser. We do not upload, log, or store your inputs.

Find exact age in years, months, days — plus next birthday and fun milestones.

Your Birth Details

Enter date (and optionally time) of birth. We use your device zone: UTC.

Date of Birth

Time of Birth (optional)

Include time

Results

Live as the seconds tick by. Copy a summary to share.

Enter your birth date to see results here.

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