BaZi Luck Terms: Luck Pillars, Annual Pillars, Monthly Pillars and Tai Sui

The natal chart is the ground; luck is the weather along the way. This group holds the terms for reading change over time, from luck pillars that turn every ten years to each year’s annual pillar and Tai Sui.

Index of this group

19 terms

Luck pillars 大運
Luck pillars (da yun) are a sequence of stem-branch pairs counted forward or backward from the month pillar, by sex and the yin or yang of the year stem; each governs ten years of life. Read more →
Luck pillar start age 起運
The luck pillar start age (qi yun) is when the first luck pillar begins: count forward to the next solar term or back to the previous one, then convert at three days to one year. Read more →
Ten God luck pillar 十神大運
A Ten God luck pillar names a decade by the Ten God its stem and branch are to the Day Master, such as a Wealth, Officer or Resource pillar; whether it helps still depends on strength and favorable elements. Read more →
Sui yun bing lin 歲運並臨
Sui yun bing lin is a year whose stem and branch exactly match the current luck pillar, so that set of elements is doubled that year: a tailwind if favorable, a time for caution if unfavorable. Read more →
Minor luck 小運
Minor luck (小運, xiao yun) is the yearly pillar that stands in for luck pillars before they begin. It counts from the hour pillar, forward for a boy born in a yang year or a girl in a yin year, backward otherwise. Read more →
Annual pillar 流年
The annual pillar (liu nian) is the stem-branch pair of each year, changing at Li Chun; reading it means asking which Ten God it is to the Day Master, whether it is favorable, and what it clashes or combines with. Read more →
Ten God year 流年十神
A Ten God year names a year by the Ten God its stem and branch are to the Day Master, such as a Wealth, Officer or Resource year; whether it helps you still depends on strength and favorable elements. Read more →
Annual clashes and combinations 流年沖合
Annual clashes and combinations are the relations, such as clash, combination, punishment, harm and break, between a year's stem and branch and the four natal pillars; the pillar touched shows which area of life is stirred. Read more →
Monthly pillar 流月
The monthly pillar (liu yue) is the stem-branch pair of each month within a year, bounded by the twelve jie solar terms from Li Chun; its stem follows from the year stem by the Five Tigers rule. Read more →
Offending Tai Sui 犯太歲
Offending Tai Sui (fan tai sui) means your zodiac branch, the branch of your birth year, is the same as, clashes, punishes, breaks or harms the branch of the current year; it signals movement and friction, not misfortune. Read more →
Sharing the branch of Tai Sui 值太歲
Sharing the branch of Tai Sui (zhi tai sui) means your zodiac branch is the same as the year's branch, your zodiac year; the year overlays your own branch, so the themes connected to it are amplified. Read more →
Clashing Tai Sui 沖太歲
Clashing Tai Sui (chong tai sui) means your zodiac branch forms one of the Six Clashes with the year's branch, six places apart and directly opposite; it points to movement and structural change in the areas involved. Read more →
Punishing Tai Sui 刑太歲
Punishing Tai Sui (xing tai sui) means your zodiac branch forms a punishment with the year's branch: Zi-Mao, Yin-Si, Si-Shen, Chou-Xu, Xu-Wei, or Chen, Wu, You or Hai meeting itself; it often reads as friction, rules and responsibility. Read more →
Breaking Tai Sui 破太歲
Breaking Tai Sui (po tai sui) means your zodiac branch forms one of the Six Breaks with the year's branch: Zi-You, Wu-Mao, Si-Shen, Yin-Hai, Chen-Chou or Xu-Wei; it often reads as existing arrangements being taken apart and reorganized. Read more →
Harming Tai Sui 害太歲
Harming Tai Sui (hai tai sui) means your zodiac branch forms one of the Six Harms, also called chuan, with the year's branch: Zi-Wei, Chou-Wu, Yin-Si, Mao-Chen, Shen-Hai or You-Xu; it often reads as hidden wear and misunderstanding. Read more →
An Tai Sui 安太歲
An Tai Sui is a folk religious ritual in which people, often those offending Tai Sui, register at a temple early in the year to pray to that year's Tai Sui, giving thanks at year end; it is religious practice, not a BaZi conclusion. Read more →
San Yuan Jiu Yun 三元九運
San Yuan Jiu Yun is a system that divides time into a repeating 180-year cycle of nine twenty-year periods, each carrying one Luoshu star and trigram, used to describe the character of an era. Read more →
Date selection 擇日
Date selection (ze ri) is the traditional practice of choosing dates and hours for weddings, moves, openings and other key events, using the Chinese almanac's favorable activities, day officers, Yellow Path days and zodiac clashes. Read more →
Twelve Day Officers 建除十二神
The Twelve Day Officers (jian chu) are the almanac's daily duty stars counted from the month branch: Establish, Remove, Full, Balance, Stable, Hold, Destruction, Danger, Success, Receive, Open and Close, cycling every twelve days. Read more →

Other groups

BasicsBaZi, Four Pillars, stems and branches, yin-yang, Five Elements, Day Master Chart Casting & CalendarHow the pillars are cast, solar terms, true solar time, the Zi hour, Conception Pillar Ten Gods & CombinationsFriend to Direct Resource, plus seven classic pairings Strength & Favorable ElementsStrong or weak, favorable elements, climate, twelve life stages Chart StructuresThe eight regular structures, Jian Lu, follow, transformation, dominant Stem & Branch RelationsCombine, meet, clash, punish, harm, break, arch; stem combinations Symbolic StarsNobleman, Academic Star, Peach Blossom, Traveling Horse, the Void… Life AreasWealth, family, study, marriage, career, partnerships

About this glossary

Every definition is taken from the one-line definition on the matching page of this site, so when a page is updated, the glossary follows; only terms without their own page are written here. Usage varies a little between schools; this site follows the Zi Ping BaZi usage common in Taiwan. Everything here is for reference and entertainment only.

Find these terms on your own chart

A free chart lists your Four Pillars, Ten Gods, hidden stems and Five Elements; the in-depth reading then turns them into twelve areas of life.

BaZi luck pillars & annual luck terms FAQ

What does “Luck pillars” mean in BaZi?

Luck pillars (da yun) are a sequence of stem-branch pairs counted forward or backward from the month pillar, by sex and the yin or yang of the year stem; each governs ten years of life.

What does “Luck pillar start age” mean in BaZi?

The luck pillar start age (qi yun) is when the first luck pillar begins: count forward to the next solar term or back to the previous one, then convert at three days to one year.

What does “Ten God luck pillar” mean in BaZi?

A Ten God luck pillar names a decade by the Ten God its stem and branch are to the Day Master, such as a Wealth, Officer or Resource pillar; whether it helps still depends on strength and favorable elements.

What does “Sui yun bing lin” mean in BaZi?

Sui yun bing lin is a year whose stem and branch exactly match the current luck pillar, so that set of elements is doubled that year: a tailwind if favorable, a time for caution if unfavorable.