ChronoacupunctureBody ClockClassical TCMCircadian RhythmPoint Selection
Your Body Has a Schedule: Horary Acupuncture and the Chinese Body Clock
Medically Reviewed by Derek Doran, BHSc (Acupuncture) · AHPRA Registered · AACMA Member · Updated April 3, 2026
March 20, 20269 min readBy MediChi Editorial
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Frequently Asked Questions
What is the Chinese body clock in acupuncture?
The Chinese body clock (Zi Wu Liu Zhu) maps each of the twelve organ-meridians to a two-hour window when its Qi is at peak strength. Treating during a meridian's horary window — or its opposite — amplifies clinical effect, especially for chronic patterns.
How does horary acupuncture differ from standard point selection?
Standard point selection is based on syndrome differentiation alone. Horary acupuncture adds a temporal dimension, choosing points and meridians according to the time of day, lunar phase, or stem-branch calendar to align treatment with peak Qi flow.
Is horary acupuncture supported by modern research?
Chronobiology confirms circadian rhythms in cortisol, melatonin, and organ function that align with several Chinese body-clock windows. While more research is needed, the underlying premise — that physiology varies by time of day — is well established.
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Derek Doran, BHSc (Acupuncture)
AHPRA Registered (CMR0002211465) · AACMA Member
Derek is the founder of MediChi and a registered acupuncturist with clinical expertise in integrating Western diagnoses with Traditional Chinese Medicine treatment protocols.
Clinically reviewed: April 3, 2026
