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Calculate the Ages of a Parent and Child

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Calculates the ages of a parent and child.
How old will the parent be the year the child enters high school?
How old will the parent be the year the child becomes an adult?
You can perform calculations such as these.
Year of birth of child 1
Years
Year of birth of child 2
Years
Father’s Year of Birth
Years
Mother’s Year of Birth
Years
AD
From year
years to display
・Ages are calculated assuming that a person turns a year older in the following year.
・If you enter -1 for the birth year, the calculation will not be performed.
・The Japanese calendar input option is available for dates starting from January 1, Meiji 6 (1873), following the adoption of the Gregorian calendar.

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