Bio Rhythm Chart for each individual will have three cycles from date of birth. (1) 23 days physical cycle about physical strength, energy, body resistance and stamina; (2) 28 days emotional cycle about mood, feelings, sensitivity, creativity and adaptability; (3) 33 days intellectual cycle about intelligence, analysis, mental alertness, thinking and memory. When it is low, intuition is high.
Values are presented in {-5 to 5} scale. -5 refers to very very low and +5 very very high. zero vaue corresponds to average.
Each of these cycles varies between high and low extremes sinusoidally, with days where the cycle crosses the zero line described as "critical days" .