Zi Wei Dou Shu Knowledge Base
Original, editorially reviewed practical guides explaining methods, worked examples, checks, and limitations.
What Is Zi Wei Dou Shu?
Zi Wei Dou Shu is a traditional cultural system that arranges a chart using birth date, birth time, gender, and related information. A chart normally conta
FoundationsHow to Read the Twelve Palaces
The twelve palaces form the structural framework of Zi Wei Dou Shu. Common palace names cover identity, siblings, partnership, children, resources, health,
StarsMajor, Supporting, and Minor Stars
Stars are the principal descriptive vocabulary of Zi Wei Dou Shu, but they are not physical astronomical causes. They belong to the symbolic system of the
TransformationsUnderstanding Lu, Quan, Ke, and Ji
The Four Transformations describe how themes change and move in Zi Wei Dou Shu. They are commonly named Lu, Quan, Ke, and Ji. Introductory explanations oft
Time CyclesDecadal and Annual Cycles
The natal chart provides a relatively stable structural view, while decadal and annual cycles introduce time layers. A decadal cycle normally covers a long
CalendarsSolar, Lunar, and Leap-Month Dates
Date input is one of the most common sources of chart errors. Solar normally refers to the Gregorian calendar, while the lunar calendar is the traditional
Time CorrectionWhat Is True Solar Time?
Civil clocks use one standard time across a time zone, but the moment when the Sun reaches its highest local position varies with longitude and date. True
AI LiteracyHow to Read an AI Chart Responsibly
AI can quickly turn structured chart data into natural language, but fluent writing is not proof of truth. A language model generates text from input and l
Worked ExamplesTrue Solar Time Examples: Beijing, Chengdu, and Urumqi
Compare longitude correction, equation of time, and hour-boundary effects for Beijing, Chengdu, and Urumqi.
Boundary ReviewHow to Review a Chart Near an Hour Boundary
Preserve evidence, compare adjacent charts, and avoid false precision near traditional hour boundaries.
Historical TimeWhat If a Birth Certificate Uses Daylight Saving Time?
Verify historical daylight saving and legal UTC offset without subtracting an hour twice.
School RulesHow Zi Wei Dou Shu Schools Handle Leap Months
Understand common leap-month methods, document the chosen rule, and compare results responsibly.
Palace FoundationsLife Palace, Body Palace, and Origin Palace
Distinguish the calculation layers, reading uses, and common misconceptions of three palace concepts.
Chart VerificationHow to Verify a Zi Wei Dou Shu Chart
Audit source records, calendars, time zones, solar correction, and school parameters layer by layer.