The Five Elements (五行) — Five Kinds of Energy

The five elements are the five fundamental energies that form all things in East Asian philosophy. Wood (木), fire (火), earth (土), metal (金), and water (水) are not merely material substances but rather represent the flow of qi (life force) with unique properties and movements. In Saju, the five elements form the foundation of personality, constitution, aptitude, and relationships. Interpretation depends on which elements appear most or least frequently in the eight characters, and how they interact. While a well-balanced distribution of elements is ideal, most charts are skewed, and this skewing itself becomes individuality and talent.

Wood is the energy of spring, symbolizing the force of upward growth. Its direction is east, color is blue (blue-green), and season is spring (months of tiger and rabbit). People with strong wood are enterprising, creative, compassionate, and justice-oriented. They excel at initiating new ventures but can be stubborn or rash if wood is excessive. Deficient wood can lead to indecision or weak initiative. Wood is associated with the liver and gallbladder, eyes, muscles, and fingernails.

Fire is the energy of summer, symbolizing the radiating, dispersive force. Its direction is south, color is red, and season is summer (months of snake and horse). People with strong fire are proactive, expressive, emotionally intense, and courteous. They possess charm and leadership but can be emotionally volatile if fire is excessive. Deficient fire can result in passivity or poor self-expression. Fire is associated with the heart and small intestine, tongue, and blood.

Earth is the energy of seasonal transitions, symbolizing the centering, receptive force of containment. Its direction is center, color is yellow (yellow-brown), and it corresponds to the four seasonal transitions. People with strong earth are trustworthy and practical, excel at mediation, and are patient. They are pursued for trust but can be conservative if earth is excessive. Deficient earth can lead to instability or difficulty keeping promises. Earth is associated with the spleen and stomach, mouth, and flesh.

Metal is the energy of autumn, symbolizing the force of convergence and hardening. Its direction is west, color is white, and season is autumn (months of monkey and rooster). People with strong metal are decisive and principled, with strong loyalty and quick judgment. They excel at organization and have sharp analytical ability but can be cold if metal is excessive. Deficient metal can result in indecision or difficulty making choices. Metal is associated with the lungs and large intestine, nose, and skin.

Water is the energy of winter, symbolizing the force of downward flow and penetrating wisdom. Its direction is north, color is black, and season is winter (months of rat and pig). People with strong water are intelligent with excellent observational ability, adaptable, and thoughtful. They have talent for study and research but can become melancholic if water is excessive. Deficient water can lead to rigidity or weak endurance. Water is associated with the kidneys and bladder, ears, bones, and reproductive organs.

The five elements support each other and also restrain each other. Generation (generative cycle) occurs when one element nurtures another: wood generates fire → fire generates earth → earth generates metal → metal generates water → water generates wood in a continuous cycle. Destruction (destructive cycle) occurs when one element overcomes another: wood overcomes earth → earth overcomes water → water overcomes fire → fire overcomes metal → metal overcomes wood in a continuous cycle. Generation is not always favorable and destruction is not always unfavorable. When excessive elements in a chart are restrained through destruction, balance is achieved, creating better harmony. When already weak elements are further restrained, imbalance worsens. The element that creates balance is the yongsin.