Cultural age systems use different rules
International age increases on birthdays, but some traditional systems count age differently. A cultural age calculator helps compare those conventions without mixing them up.
Calculator category
Cultural Age Calculators
Compare international age with traditional cultural age systems such as Chinese lunar age and Korean age.
Tools
Traditional and cultural age tools
These calculators compare birthday-based international age with systems that increase age by lunar year, calendar year, or traditional counting rules.
Chinese lunar age and Korean age
Chinese lunar age, or virtual age, starts at 1 and changes with the Chinese lunar year. Traditional Korean age starts at 1 and changes on January 1, while official South Korean age now uses the international system.
Use the result in the right context
Traditional age systems can be useful for cultural, family, or historical context. For legal, medical, school, and administrative use, international or official age rules usually apply.
Key topics
What This Category Covers
lunar agetraditional ageKorean ageinternational ageJanuary 1 age changeofficial age rules
Choose by age-counting system
For Chinese virtual age based on the lunar year, use the Lunar Age Calculator.
For traditional Korean age, year age, and international age comparison, use the Korean Age Calculator.
For official forms that require ordinary calendar age, use the main Age Difference Calculator or chronological age calculator instead.
Categories for official calendar age
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