I Ching Astrology calculates your Energy Cycle Charts based on I Ching Astrology. This system believes that all happening are affected by stars and elements. Once you know the effects of the different energy cycles, you can understand the importance of the different circumstances. The I Ching system of divination has been known for its truth and philosophy. I Ching is advocates the idea of change. It also makes one understand the relationship between opposites. This is represented by Yang and Yin. Yang corresponds to creative, active, expansive force. Yin corresponds to receptive, mutable, contracting form. Both need to be balanced for a relationship to be harmonious.