The Korean name for the Four Pillars of Destiny. A traditional fortune-telling system based on the year, month, day, and hour of birth, using the East Asian calendrical system.

The complete birth chart consisting of four pillars (Year, Month, Day, Hour), each with two characters (Stem and Branch), totaling eight characters. These reveal your destiny and life path.

The pillar representing your birth day, considered the most important pillar. The Day Stem represents yourself (日干) and is the reference point for analyzing Ten Stars and relationships.

The Heavenly Stem of your Day Pillar, representing your core self and personality. All Ten Stars are determined by the relationship between your Day Stem and other stems in your chart.

The fundamental duality of the universe. Yin (陰) represents passive, dark, feminine energy; Yang (陽) represents active, bright, masculine energy. Each stem and branch has yin or yang polarity.

The ten celestial stems (甲乙丙丁戊己庚辛壬癸) representing heavenly energy. Each corresponds to one of the Five Elements with yin or yang polarity. They form the upper character of each pillar.

The twelve terrestrial branches (子丑寅卯辰巳午未申酉戌亥) representing earthly energy and the twelve zodiac animals. They form the lower character of each pillar and correspond to months and hours.

Heavenly Stems hidden within each Earthly Branch. Each branch contains 1-3 hidden stems that influence the overall energy of that pillar and can affect Ten Stars analysis.

The five fundamental energies: Wood (木), Fire (火), Earth (土), Metal (金), and Water (水). They interact through productive and destructive cycles, determining compatibility and balance in your chart.

Element representing growth, expansion, creativity, and spring. Associated with the color green, the east direction, and qualities of flexibility and development.

Element representing passion, energy, transformation, and summer. Associated with the color red, the south direction, and qualities of warmth and illumination.

Element representing stability, nourishment, centeredness, and seasonal transitions. Associated with the color yellow, the center direction, and qualities of support and grounding.

Element representing strength, justice, refinement, and autumn. Associated with the color white, the west direction, and qualities of precision and structure.

Element representing wisdom, fluidity, depth, and winter. Associated with the color black/blue, the north direction, and qualities of adaptability and introspection.

Your 'Favorable God' or supporting element - the element that best balances your chart. Strengthening this element through lifestyle, colors, and directions can improve your fortune.

The ten gods or stars representing different aspects of life - personality, wealth, career, and wisdom. Determined by the relationship between your Day Stem and all other stems in your chart.

Star of self and equality. Represents siblings, friends, competitors, and your independent spirit. Same element and polarity as your Day Stem.

Star of aggression and competition. Represents challengers, rivals, and bold action. Same element but opposite polarity as your Day Stem.

Star of expression and enjoyment. Represents creativity, performance, food, and leisurely pursuits. The element you produce with same polarity.

Star of rebellion and brilliance. Represents innovation, criticism, and unconventional thinking. The element you produce with opposite polarity.

Star of stable income. Represents salary, steady work, and managed resources. The element you control with opposite polarity.

Star of windfall money. Represents business, investment, and unexpected gains. The element you control with same polarity.

Star of authority and structure. Represents official positions, rules, and social responsibility. The element that controls you with opposite polarity.

Star of power and challenge. Represents competition, pressure, and decisive action. The element that controls you with same polarity.

Star of knowledge and support. Represents education, mother, traditional learning, and legitimate credentials. The element that produces you with opposite polarity.

Star of alternative wisdom. Represents unconventional knowledge, step-parent, and specialized skills. The element that produces you with same polarity.

The 10-year luck cycles that influence your fortune throughout life. Each cycle has its own Stem and Branch, bringing different energies and opportunities. Direction (forward/backward) determined by gender and year pillar polarity.

The annual influence based on the Heavenly Stem and Earthly Branch of each year. Interacts with your birth chart and current Daeun to determine yearly fortune.

The monthly influence based on the Earthly Branches of each lunar month. Provides more detailed timing for events and opportunities within each year.

Special auspicious and inauspicious stars that appear in the birth chart. Formed through combinations of Heavenly Stems and Earthly Branches, they reveal unique fortune patterns and personality traits.

The Post Horse Star representing movement and change. Those with Yeokma often experience international relocation, frequent moves, travel, and career changes. Indicates an active and dynamic life.

The Canopy Star representing art, religion, and scholarship. Strong artistic talent, philosophical thinking, and religious inclinations. Simultaneously indicates creativity and solitude.

The Heavenly Noble Star, the most auspicious star. Attracts helpful people during difficulties and possesses the ability to turn crises into opportunities.

The Literary Star representing academics, wisdom, and documents. Excellent academic achievement, good fortune in examinations, and talent in writing and documentation.

The Peach Blossom Star representing popularity and romance. Charming and popular, receives favor from the opposite sex. Advantageous for careers in arts, entertainment, and interpersonal relations.

The Red Charm Star representing strong attraction and romance. Possesses more intense romantic charm than Dohwa, indicating glamorous appearance and sociability.

The Void Star representing emptiness and vacancy. Efforts may yield no results or end in vain. Conversely, can lead to spiritual growth by detaching from material obsessions.

The Sheep Blade Star representing sharp blade-like strong energy. Strong drive and decisiveness, but also hasty and impulsive tendencies. Connection to martial arts or surgical fields.

The Star of Authority representing strong character and leadership. Stubborn and independent, dislikes authority. Upright and just character, but can be inflexible.

The analysis of compatibility between two people by comparing their birth charts. Evaluates harmony and compatibility by comprehensively considering Five Elements, Ten Stars, and Sinsal.

The cycle where Five Elements support and generate each other. Follows the sequence: Wood produces Fire, Fire produces Earth, Earth produces Metal, Metal produces Water, Water produces Wood. People in productive relationships help each other grow and develop.

The cycle where Five Elements control and restrict each other. Follows: Wood controls Earth, Earth controls Water, Water controls Fire, Fire controls Metal, Metal controls Wood. Appropriate control brings balance, but excess can cause conflict.

Compatibility analysis examining the distribution and productive/destructive relationships between two people's Five Elements. Evaluates whether the elements complement or conflict with each other to measure energy harmony.

Compatibility analysis comparing the distribution and balance of Ten Stars between two people. Evaluates whether one person's strong stars complement the other's weak areas and whether they form a balanced distribution.

A relationship where one person's strengths fill the other's weaknesses in their birth charts. Such relationships make each other complete and form harmonious connections.

An indicator showing how evenly Five Elements or Ten Stars are distributed within a birth chart. Higher balance indicates stable and harmonious tendencies, serving as an important factor in compatibility analysis.

The degree to which energies from two people's birth charts blend well and harmonize together. Comprehensively evaluates productive/destructive cycles of Five Elements, complementary relationships of Ten Stars, and yin-yang balance.