Qi Men Dun Jia Knowledge Base

Systematic tutorials and hands-on charting guides

📖 Glossary: doors, stars, deities and patterns →

• Double Ninth Festival and Frost's Descent 2026: Dates, Customs and Timing a Hike with Qi Men

  The 2026 Double Ninth Festival (Chongyang) falls on October 18, the ninth day of the ninth lunar month, and Frost's Descent begins on October 23. Here is where both come from, how to mark them abroad, and how Qi Men Dun Jia changes its ju at Frost's Descent.

• How Qimena Scores a Chart: Palace Scores, Today's Score and the Color Tints

  Qimena's scoring rules in full: how each palace is scored from seasonal strength, the doors, stars and deities, voids, Punish and Pressed marks; how today's score centers on the focus palace; where the board colors and favorable directions come from; and how scores spread over a year.

• How to Read a Qi Men Chart: A Worked Example for a Real Decision

  A complete worked example of reading a Qi Men Dun Jia chart: choosing focus symbols, reading the door, star and deity in each palace, checking whole-board signals, and turning it all into actions for the day.

• What Is BaZi? A Beginner's Guide to Chinese Four Pillars Astrology

  BaZi, or Four Pillars of Destiny, turns your birth date and time into eight Chinese characters. Learn what the four pillars mean, what your Day Master is, how the five elements and luck pillars work, and how BaZi differs from Qi Men Dun Jia and Western astrology.

• Qi Men Dun Jia Glossary: Doors, Stars, Deities and Patterns

  A Qi Men Dun Jia glossary in five pages: the eight doors, nine stars, eight deities, stem combinations and whole-chart patterns, with names and readings matching Qimena's charting engine.

• Qi Men Chart Patterns: Fu Yin, Fan Yin and the Five Non-Encounters Hour

  A quick reference to whole-chart Qi Men Dun Jia patterns: Fu Yin, Fan Yin and the Five Non-Encounters Hour, plus the three palace-level patterns Flying Bird, Green Dragon Returns Its Head and Soaring Serpent Writhes.

• The Eight Deities of Qi Men Dun Jia: Meanings of Each Deity

  A quick reference to the eight deities of Qi Men Dun Jia (Chief, Soaring Serpent, Great Yin, Six Harmony, White Tiger, Black Tortoise, Nine Earth, Nine Heaven): element, nature and what each suits.

• The Eight Doors of Qi Men Dun Jia: Meanings, Auspicious and Inauspicious

  A quick reference to the eight doors of Qi Men Dun Jia (Rest, Life, Harm, Block, Scenery, Death, Fright, Open): element, home palace, nature and what each suits.

• The Nine Stars of Qi Men Dun Jia: Meanings of Each Star

  A quick reference to the nine stars of Qi Men Dun Jia (Tian Peng to Tian Ying): element, home palace, nature and what each suits.

• Qi Men Stem Combinations: Meanings of 40 Heaven-Earth Plate Patterns

  A quick reference to Qi Men Dun Jia stem combinations: 40 named patterns from Yi, Bing, Ding, Wu, Geng and Gui on each Earth Plate stem, including Flying Bird, Green Dragon and White Tiger Runs Wild.

• How Qimena Casts a Qi Men Chart: Rules, Worked Example and Verification

  Qimena's charting rules in full: a ten-step method, a worked example you can check by hand, and how the results compare with the Hong Kong Observatory's 72 solar terms and an independent day-pillar formula.

• Chinese Zodiac 2027: The Year of the Fire Goat, Sign by Sign

  2027 is the Year of the Fire Goat. Learn when it starts (February 6, 2027), what the Fire Goat means, which zodiac signs clash with the year and which are in harmony with it, and how to use the year's energy for real decisions.

• What Is My Chinese Element? Find It From Your Birth Year and Birthday

  Find your Chinese element in seconds from the last digit of your birth year, then go deeper with your Day Master, the element BaZi astrology treats as your true self. Includes element tables, personality traits, and the generating and controlling cycles.

• 2027 Year of the Fire Goat (Ding Wei): When It Starts, Who Clashes, and What It Means Abroad

  2027 is the Ding Wei (Yin Fire Goat) year. When the year really begins (Li Chun, not Lunar New Year), how to convert the Li Chun moment to your local time zone, which zodiac signs clash with the year, and how to use Qi Men Dun Jia to turn the annual outlook into timing decisions.

• Which School of Qi Men Dun Jia Does Qimena Use? Chai-Bu and Zhuan-Pan Explained

  Different Qi Men tools can produce different charts for the same moment — usually because they disagree on two specific method choices. This article explains the Chai-Bu (term-locked) method Qimena uses to fix the Ju number, the Zhuan-Pan (rotating-disk) method it uses to lay out the Nine Stars and Eight Gates, and why those choices matter.

• Is AI Fortune-Telling Reliable? How LLMs + Qi Men Dun Jia Actually Work

  How does AI divination actually work? This article breaks down the 'traditional charting algorithm + large language model interpretation' architecture — which steps are deterministic computation, which are probabilistic generation, and how to use AI divination tools rationally.

• Casting Qi Men Charts in the US & Canada: How to Enter a Western Longitude

  Charting Qi Men Dun Jia or BaZi from North America — what longitude do you enter? Why western longitudes are negative, how to find your longitude on Google Maps, plus a quick-reference table for New York, Los Angeles, San Francisco, Vancouver, Toronto and more.

• Choosing an Auspicious Moving Date Abroad: A Qi Men Dun Jia Walkthrough

  No Chinese almanac at the overseas bookstore? A four-step Qi Men Dun Jia date-selection method for moving house: fix the moving direction, screen for auspicious days, lock the auspicious hour, and the move-in customs that matter — all timed by local True Solar Time.

• Born Overseas: How to Find Your Correct BaZi Hour (Time Zones & True Solar Time)

  Born in the US, Canada or Australia — should your BaZi and Qi Men hour use local time or Beijing time? A three-step method: local standard time → daylight-saving correction → longitude and Equation-of-Time adjustment, with a worked Los Angeles example and the full twelve double-hour table.

• How to Cast a Qi Men Dun Jia Chart: The Nine Palaces Step by Step

  A hands-on walkthrough of the full Hour-based Qi Men casting process: setting the Four Pillars, determining the solar term and Ju number, arranging the Earth Plate, Heaven Plate stars, Human Plate gates and Deity Plate — plus what to look at first once the chart is cast.

• Qi Men Dun Jia in the Southern Hemisphere: Solar Terms and Directions for Australia & NZ

  Casting Qi Men charts from Sydney, Melbourne or Auckland — should the solar terms be flipped? How are directions read? The mainstream position: solar terms are global astronomical events, directions follow the absolute compass, True Solar Time applies as usual — plus the Australian DST trap.

• What Is Qi Men Dun Jia? A Complete Beginner's Guide

  What is Qi Men Dun Jia? This guide covers the Heaven-Earth-Human-Deity four-plate structure, the Nine Palaces grid, how an Hour-based chart is cast, and how AI tools make this ancient Chinese space-time divination accessible to beginners.

• Qi Men Focus Symbols (Yong Shen): What to Read for Career, Wealth and Love

  The focus symbol is the key that unlocks a Qi Men chart. This reference maps common questions to their symbols — Open Gate for career, Life Gate and Wu for wealth, Harmony/Yi/Geng for relationships, Star Rui for health — and explains how to judge a symbol's strength and palace.

• How Daylight Saving Time Affects Your Chart: Getting the Hour Right Under DST

  DST moves the clock forward an hour — the sun doesn't move with it. How to correctly determine the BaZi and Qi Men double-hour during daylight saving, a quick reference of DST rules (US/Europe/Australia), China's 1986–1991 DST trap, and when your charting tool handles it automatically.

• Divining From Abroad About Matters Back Home: Whose Time Zone Sets the Chart?

  You're in New York asking about a business in Shenzhen, or consulting for your parents in China — does the Qi Men chart use US time or Beijing time? The mainstream rule: the diviner's present place and moment set the chart. Plus how proxy divination works and three cross-time-zone mistakes.

• What Is True Solar Time? Why Qi Men Charts Must Use It

  True Solar Time can differ from standard clock time by up to two hours, directly changing the double-hour used in Qi Men Dun Jia and BaZi charts. Learn how it is calculated, how longitude correction works, and the common charting errors it prevents.