Contact the website operator
For a correction or site question, use the contact route at 8Examples.com. Include the AgeUse page address and explain what you expected to happen. A made-up example using the same calendar pattern is enough; do not send someone's private birth date.
Make a calculation reproducible
Include the two example dates, the selected tool and whether inclusive counting was enabled. For a month-end or leap-day question, note the counting convention you intended. Those details help separate a bug from a different interpretation of the question.