You can check the progress of each age for each year from the date of birth of the parent and child.

You can check the progress of each age from the date of birth of the parent and child.

Select the date of birth of the father, mother, and child, and click the "Calculate age" button to see the Western calendar, Japanese calendar, their respective ages, and events such as Shichi-go-san, entrance, and graduation.

If you do not want to use it for the father, mother, and children, uncheck "Use" and it will not be displayed, but please check at least one parent and one child.

You can easily check the age when the child was born, the age of the parents when they entered elementary school, etc.