Primary Biorhythm
Physical (23 days) The physical cycle is said to be the dominant cycle in men. It regulates hand-eye coordination, strength, endurance, sex drive, stamina, initiative, metabolic rate, resistance to, and recovery from illness. Surgery should be avoided on physical transition days and during negative physical cycles.

Emotional (28 days) The emotional cycle is considered the dominant cycle in women. It regulates emotions, feelings, mood, sensitivity, sensation, sexuality, fantasy, temperament, nerves, reactions, affections and creativity.

Intellectual (33 days) The intellectual cycle regulates intelligence, logic, mental reaction, alertness, sense of direction, decision-making, judgment, power of deduction, memory, and ambition.

Secondary Biorhythm
Spirituality (53 days), in a narrow sense, concerns itself with matters of the spirit, a concept closely tied to religious belief and faith, a transcendent reality, or one or more deities. Spiritual matters are thus those matters regarding humankind's ultimate nature and purpose, not only as material biological organisms, but as beings with a unique relationship to that which is perceived to be beyond both time and the material world.

Awareness (48 days) In biological psychology, awareness comprises a human's or an animal's perception and cognitive reaction to a condition or event. Awareness does not necessarily imply understanding, just an ability to be conscious of, feel or perceive.

Aesthetics (43 days) is commonly known as the study of sensory or sensori-emotional values, sometimes called judgments of sentiment and taste More broadly, scholars in the field define aesthetics as "critical reflection on art, culture and nature." Aesthetics is a subdiscipline of axiology, a branch of philosophy, and is closely associated with the philosophy of art Aesthetics studies new ways of seeing and of perceiving the world.

Intuition (38 days) has many related meanings, usually connected to the meaning "ability to sense or know immediately without reasoning."

Reference : http://www.life-cycles-destiny.com/for/astrology-biorhythm-lunar-calendar-compatability.htm