Age calculator
Completed years, leftover months and days. Useful for exams, visas, and Aadhaar-style forms.
默认为您所在地区。可切换以比较其他标准。
Western completed-year age. Japan also uses this officially since 2022.
结果
30
Completed years
0 months, 0 days
- Total days10,957
- Next birthday9月12日星期日
公式
Years = completed birthdaysThen leftover months and days on the civil calendar
计算方法
- Enter the birth date and an as-of date (defaults to today).
- Count completed years, then months, then days.
- Next birthday is the next anniversary at or after as-of.
常见问题
Kazoe vs completed years?
This page uses completed (Western) years. Traditional Japanese kazoe-doshi counts 1 at birth and adds a year every New Year — it is no longer the legal default.