Biorhythm Calculator

Biorhythm theory suggests that our physical, emotional, and intellectual states fluctuate in regular cycles starting from our birth date:

Each rhythm fluctuates between +100% and -100%, with higher values indicating better conditions.

Use this calculator to check your biorhythm for specific dates
and plan your activities accordingly.

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"Biorhythm theory suggests that our physical, emotional, and intellectual states follow predictable cycles. While more research is needed, many users report improved self-awareness and better planning of their activities." — Journal of Chronobiology International
Format: YYYY-MM-DD (International Standard)

Physical

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Emotional

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Intellectual

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The following dates show critical low points in all three biorhythms.
Your physical and mental conditions may be particularly vulnerable.
On these dates, try to avoid important schedules
and pay special attention to your health and safety.
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