TERMS
Terms of service
Last updated: April 27, 2026
Acceptance
By using ilju.app you agree to these terms. If you don't agree, please don't use the site.
What ilju.app is
ilju.app is a free Korean four pillars (saju) calculator. It runs entirely in your browser — no account, no payment, no data collected. You provide your birth date, time, and location; the site calculates your chart and generates a prompt you can use with AI assistants for interpretation.
Not professional advice
Saju is a traditional Korean reading system. Calculations and interpretations on this site are for personal reflection and cultural interest. They are not medical, legal, financial, psychological, or any other form of professional advice. For decisions of consequence, consult appropriate qualified professionals.
Intellectual property
The ilju.app code is created by Patryk. The saju tradition itself is centuries-old cultural heritage and is not owned by anyone. Specific phrasings, archetype descriptions, and interpretations on this site are original work by Patryk.
Third-party data
Geographic data (city names, coordinates, timezones) is provided by GeoNames under the CC BY 4.0 license.
Limitation of liability
The site is provided "as is" without warranties of any kind. Patryk and ilju.app are not liable for any decisions made based on calculations or interpretations from this site.
Changes
These terms may be updated occasionally. The "Last updated" date will reflect changes.
Contact
Questions about these terms: [email protected]