Use the traditional Chinese lunar calendar to calculate a constellation of heavenly stems and earthly branches on a particular day and time.
An additional calculation establishes a correlation between "birth hexagram" and related potent acupuncture points. The I Ching texts provide further insight into the calculated hexagrams.
As an extra you may use the I Ching oracle if you seek advice.
Just so happens happens that I am studying open points for acupuncture and here's an app for it. Makes it easy!