CHINESE METAPHYSICS TOOLKIT
HeavenStem is a free, English-native online toolkit for Chinese metaphysics. It offers a precise BaZi (Four Pillars of Destiny) calculator with true solar time correction, I Ching casting, and zodiac compatibility — all computed in your browser on verified calendar astronomy.
Users may optionally purchase a personalized Deep Life Report. Signing in with Google lets a user view their order history and access links to their purchased reports in a personal account center.