Glossary · 14 stars × 12 rooms × 10 advanced concepts

Every term we use, defined the same way every time.

Zi Wei Dou Shu has fourteen main stars, twelve minor stars, and twelve palaces. We've written one canonical English page for each — built for the reader who has never seen the system before. All fourteen main stars, all twelve minor stars, and all twelve palaces are live below. The advanced-concept section is also live: ten pages covering the Four Activations, the Triangle and Axis framework, the Slayer-Breaker-Wolf Triad, and the four Time Cycles.

Advanced concepts

Beyond the 14 stars × 12 palaces, Zi Wei layers in higher-order patterns. Ten pages live: the Four Activations (四化), the Triangle and Axis aspect framework (三方四正), the Slayer-Breaker-Wolf Triad (殺破狼), and the four Time Cycles — Decade Cycle (大限), Annual Cycle (小限), Year Stream (流年), and Month Stream (流月).

Earthly Branches (Bazi)

The twelve Earthly Branches (地支) of Bazi — calendrical units that mark the hours, months, and seasons, each carrying hidden stems (藏干). The branch is the name; the zodiac animal (Rat, Ox…) is only its popular label.

24 Solar Terms (Bazi)

The twenty-four solar terms (二十四節氣) — astronomical instants, not fixed calendar days, that the BaZi month pillar actually runs on. Twelve 節 open a new month pillar; the twelve 氣 between them mark the season's midpoint but move nothing in the chart.

Beginning of Spring立春

The instant the sun reaches 315° of ecliptic longitude — the moment the BaZi year turns, and the only solar term that changes two pillars at once.

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Rain Water雨水

The instant the sun reaches 330° of ecliptic longitude — the midpoint of the 寅 month Beginning of Spring opened, moving no pillar.

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Awakening of Insects驚蟄

The instant the sun reaches 345° of ecliptic longitude — the moment the month pillar's branch turns to 卯, opening spring's second month.

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Spring Equinox春分

The instant the sun reaches 0° of ecliptic longitude — near-equal day and night worldwide, and a term that moves no pillar.

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Pure Brightness清明

The instant the sun reaches 15° of ecliptic longitude — the moment the month pillar turns to 辰, distinct from the festival sharing its name.

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Grain Rain穀雨

The instant the sun reaches 30° of ecliptic longitude — the last mid-point term of spring, just before the calendar turns to summer.

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Beginning of Summer立夏

The instant the sun reaches 45° of ecliptic longitude — the moment the month pillar's branch turns to 巳, and the calendar's turn to summer.

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Grain Buds小滿

The instant the sun reaches 60° of ecliptic longitude — the midpoint of the 巳 month Beginning of Summer opened, moving no pillar.

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Grain in Ear芒種

The instant the sun reaches 75° of ecliptic longitude — the 節 that opens 午 in the month pillar at the height of summer.

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Summer Solstice夏至

The instant the sun reaches 90° of ecliptic longitude — the year's longest day, but a 氣 that moves nothing in a BaZi chart.

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Minor Heat小暑

The instant the sun reaches 105° of ecliptic longitude — the 節 that opens 未 in the month pillar, at the start of the year's hottest stretch.

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Major Heat大暑

The instant the sun reaches 120° of ecliptic longitude — the year's hottest stretch by name, and a 氣 that changes no pillar.

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Beginning of Autumn立秋

The instant the sun reaches 135° of ecliptic longitude — the 節 that opens 申 in the month pillar and declares autumn.

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End of Heat處暑

The instant the sun reaches 150° of ecliptic longitude — the calendar's marker for the heat's retreat, and a 氣 that changes no pillar.

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White Dew白露

The instant the sun reaches 165° of ecliptic longitude — the 節 that opens 酉 in the month pillar as nights turn cool enough for dew.

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Autumn Equinox秋分

The instant the sun reaches 180° of ecliptic longitude — day and night split evenly, but a 氣 that moves nothing in a BaZi chart.

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Cold Dew寒露

The instant the sun reaches 195° of ecliptic longitude — the month-opening term that turns the pillar's branch to 戌.

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Frost's Descent霜降

The instant the sun reaches 210° of ecliptic longitude — the last mid-month term of autumn, and it moves no pillar.

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Beginning of Winter立冬

The instant the sun reaches 225° of ecliptic longitude — the cross-quarter term that opens the 亥 month, well before the cold sets in.

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Minor Snow小雪

The instant the sun reaches 240° — the 亥 month's midpoint, named for the north's first light snow, and it moves no pillar.

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Major Snow大雪

The instant the sun reaches 255° of ecliptic longitude — the term that actually opens the 子 month, two weeks before the winter solstice.

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Winter Solstice冬至

The instant the sun reaches 270° — the year's shortest day, and just the midpoint of a 子 month that opened two weeks earlier at Major Snow.

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Minor Cold小寒

The instant the sun reaches 285° of ecliptic longitude — the term that opens the 丑 month, second-to-last stop before the year turns over.

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Major Cold大寒

The instant the sun reaches 300° — the last of the twenty-four terms, sitting at the 丑 month's midpoint, and it moves no pillar.

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Chinese Zodiac (12)

The twelve zodiac animals — the popular entry point into Chinese astrology. Each animal is the everyday face of an Earthly Branch; the pages link back to the technical branch and to your full chart.

Rat ( · )

The Rat (鼠) — the popular zodiac label for the Earthly Branch Zǐ (子), Water in element.

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Ox (Chǒu · )

The Ox (牛) — the popular zodiac label for the Earthly Branch Chǒu (丑), Earth in element.

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Tiger (Yín · )

The Tiger (虎) — the popular zodiac label for the Earthly Branch Yín (寅), Wood in element.

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Rabbit (Mǎo · )

The Rabbit (兔) — the popular zodiac label for the Earthly Branch Mǎo (卯), Wood in element.

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Dragon (Chén · )

The Dragon (龍) — the popular zodiac label for the Earthly Branch Chén (辰), Earth in element.

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Snake ( · )

The Snake (蛇) — the popular zodiac label for the Earthly Branch Sì (巳), Fire in element.

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Horse ( · )

The Horse (馬) — the popular zodiac label for the Earthly Branch Wǔ (午), Fire in element.

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Goat (Wèi · )

The Goat (羊) — the popular zodiac label for the Earthly Branch Wèi (未), Earth in element.

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Monkey (Shēn · )

The Monkey (猴) — the popular zodiac label for the Earthly Branch Shēn (申), Metal in element.

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Rooster (Yǒu · )

The Rooster (雞) — the popular zodiac label for the Earthly Branch Yǒu (酉), Metal in element.

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Dog ( · )

The Dog (狗) — the popular zodiac label for the Earthly Branch Xū (戌), Earth in element.

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Pig (Hài · )

The Pig (豬) — the popular zodiac label for the Earthly Branch Hài (亥), Water in element.

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Ten Gods (Bazi)

The ten role-categories of Bazi (八字 / Four Pillars) — each describes the Day Master's relationship to another element. Standard term first, our archetype label alongside.

Symbolic Stars (Bazi)

The named markers (神煞) Bazi readers layer onto a chart by fixed lookup rules — Nobleman, Peach Blossom, Travelling Horse, and others. They are not computed anywhere in our chart engine; each page describes the tradition, including where schools disagree.

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