What Is Four Pillars?
Four Pillars reads the year, month, day, and hour of birth through heavenly stems, earthly branches, yin-yang, and the five phases.
The four pillars are called the year pillar, month pillar, day pillar, and hour pillar. Each pillar combines a heavenly stem and an earthly branch. The day stem, often called the day master, is used as the center of the reading.
The Four Pillars
Heavenly Stems and Earthly Branches
The ten heavenly stems are connected with the five phases in yin and yang form: wood, fire, earth, metal, and water. The twelve earthly branches are the familiar Rat through Pig sequence, but in Four Pillars they also carry season, hidden stems, and timing.
The Day Master
The day master is not a single personality label. It is the reference point from which the rest of the chart is read. Jia wood is often compared with a large tree, Yi wood with grasses or flowers, Bing fire with the sun, Ding fire with a lamp, Wu earth with a mountain, Ji earth with a field, Geng metal with steel, Xin metal with a jewel, Ren water with the ocean, and Gui water with rain.
Hidden Stems and Ten Gods
Each earthly branch contains hidden stems. These show what is not immediately visible on the surface. The ten gods, or relationship stars, describe how other elements relate to the day master: expression, wealth, authority, resource, companion, and their yin-yang variations.
Twelve Stages and Void
The twelve stages describe the strength or life phase of an element, using images such as birth, growth, maturity, decline, and rest. Void, often called empty branches or kuubo, is read as an area that may feel less settled, more unusual, or harder to grasp directly. It should not be treated as a simple bad omen.
Five-Element Balance
Four Pillars looks at whether wood, fire, earth, metal, and water are strong, weak, supported by the season, or in need of adjustment. A chart is not better just because every element appears equally. Balance means understanding what the chart can use well and what kind of environment helps it function.
How to Receive a Reading
Four Pillars can become technical, but the useful question is simple: what kind of rhythm makes this person move well? Use the result as a map of tendencies, strengths, and points of care, not as a fixed verdict about fate.