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Biorhythm Calculation is a free tool that allows you to calculate "today's biorhythm" simply by entering your "date of birth". In addition, if you enter the date you want to measure, the biorhythm for that day and the biorhythms for the 14 days before and after will be displayed: "body rhythm", "emotional rhythm", "intellectual rhythm", and "rhythm average".

Body rhythm
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Emotional rhythm
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Intellectual rhythm
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Rhythm average
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Biorhythms are scientific The basis for this is not fully established, so please use it as a reference.
These calculation results are for informational purposes only. Accuracy, usefulness, We do not guarantee the completeness, timeliness, or quality of the results. Please use the results as a guide only. Please consult a professional for advice or diagnosis.

How to use

  1. Enter your "date of birth" and the "date you want to measure" for which you want to calculate your biorhythm.
  2. *The default is "date you want to measure" "Today" is entered in "Today".
  3. "Physical rhythm", "Emotional rhythm", "Intellectual rhythm", and "Average rhythm" are calculated automatically.

What are biorhythms?

Biorhythm is a concept for predicting human activity and performance based on the theory that the state of the body, emotions, and intelligence changes in a certain cycle. It is calculated based on the following three rhythms and is analyzed mainly.

Physical Cycle

Cycle: 23 days

  • Indicates physical condition such as stamina, muscle strength, vitality, and resistance.
  • High energy Your energy levels will increase and your athletic ability will improve.
  • Low energy You will tire easily and be more susceptible to injury and illness. It is believed that the risk is increased.

Emotional Cycle

Cycle: 28 days

  • Indicates your emotional state, including feelings, mood, creativity, and relationships.
  • HighYou tend to feel calm and positive.
  • Down periodYou may feel depressed and emotionally unstable.

Intellectual Cycle

Cycle: 33 days

  • Indicates intellectual status such as learning ability, logical thinking, and concentration.
  • HighsYour learning efficiency and ability to solve complex problems improve.
  • LowsYour concentration It is said that this reduces your ability to make decisions easily.

Characteristics of Biorhythms

Zero Point (Critical Day)

Each Rhythm The day when the rhythm crosses zero is called a "transition day" and is considered to be a period of large change and instability.

Positive Phase

The rhythm enters the positive range. At times, performance in that area is likely to improve.

Negative Phase

When the rhythm is in the negative range, caution is needed. It is said that.

How to calculate your biorhythm

Using your date of birth as the base date, each rhythm is calculated using the following formula.

$$ P(t) = \sin\left(\frac{2\pi t}{\text{period}}\right) $$
  • t Number of days since the quasi-day
  • Cycle Body rhythm (23 days), Emotional rhythm (28 days), Intellectual rhythm ( 33 days)

Notes

This tool is available for free.

※This program is created and confirm the operation in PHP8.1.22.
※If you have any inquiries, opinions, or requests that you would like to make, please fill out the following form