BaZi · Blog
Understanding Major and Minor Six Clashes
Deep Oracle Practitioner Desk · 2026-09-19 · 7 min read
大六冲小六冲 is a folk classification layered on top of the standard six clashes among the twelve earthly branches. The six clashes themselves are fixed pairings, but the division into greater and lesser clashes has no uniform definition and varies from one practitioner or tradition to another. The term therefore does not add a stable technical layer to the basic framework of 六冲.
这两个名目在讲什么
六冲 refers to the six oppositional pairs formed by earthly branches separated by six positions in the twelve-branch cycle. These six pairs are fixed and do not change across schools. They are: 子午,丑未,寅申,卯酉,辰戌, and 巳亥.
大六冲 and 小六冲 are popular labels applied on top of this fixed structure. They are not part of the core content of 六冲 itself. In common use, the labels suggest that some clashes are more severe or more consequential than others, but the basis for assigning a given pair to the greater or lesser category is not standardized. Different sources give different groupings. Some take certain branch pairings as inherently large and others as small; some use the terms to distinguish clashes involving the day branch from clashes involving other branches; still others use them to mark clashes that engage the year, month, or hour pillars in different ways. Because the criteria shift from one account to another, the two labels cannot be treated as a reliable technical distinction.
六冲本身是确定的六组
The six clash pairs are fixed by the structure of the twelve earthly branches. Each branch stands opposite another at a distance of six positions in the sequence. This opposition is not a matter of interpretation and does not vary by lineage. The six pairs are exact: 子 opposes 午,丑 opposes 未,寅 opposes 申,卯 opposes 酉,辰 opposes 戌, and 巳 opposes 亥.
These pairings are often read as conflict or repulsion, but the clash itself is only one relation among several that can obtain between two branches. The other standard relations include the six combinations, the six harms, the six destructions, and self-punishment. A clash is a structural fact within the branch system. What it means in a given chart or pairing depends on placement, the elements involved, and the needs of the chart as a whole. The fixed character of the six pairs does not by itself establish a fixed outcome for any relationship or event.
为什么会分出大小两种说法
The division into 大六冲 and 小六冲 arises because folk practice often wants a quick ranking: which clash is worse, which is milder, which matters more in a given pairing. But the sources do not agree on the ranking. There is no single classical definition that assigns the six pairs to two stable grades. The terms appear in popular manuals, oral transmission, and informal commentary, where they serve as a shorthand rather than as a formal rule.
Some accounts treat clashes involving the day branch as the greater ones because the day branch is taken to represent the self or the marriage palace. Others treat clashes between certain elements as greater, such as those involving stronger elemental opposition, and label others lesser. Some traditions use 大六冲 for all six standard clashes when they appear in prominent positions, and 小六冲 for secondary or partial conflict patterns that resemble clashes but do not meet the full condition. Because these usages do not converge, the distinction cannot be presented as part of the fixed technical vocabulary of 六冲. When a text or practitioner uses the terms, the only reliable way to read them is to ask what that particular source counts as large and small, and on what grounds.
冲在合婚里怎么读才站得住
In relationship matching, a clash cannot simply be equated with bad, just as a combination cannot simply be equated with good. A reading that reduces 六冲 to a warning sign ignores the fact that the same clash can function differently depending on where it occurs and what each chart needs. The decisive factor is not the presence of a clash by itself, but the position of the clash and the direction of each chart’s needs.
A clear example appears when one side has a concentration of 申 and 酉 metal branches while the other side has a concentration of 寅 and 卯 wood branches. At the level of the branches, this produces confrontation between metal and wood. If the useful direction of the two charts is opposite, this confrontation can become complementary rather than destructive. One chart may need metal to restrain wood, while the other needs wood to manage metal. In that situation, the opposition supplies a missing control or outlet. If, however, both charts need the same direction, the pressure is not distributed but concentrated. Then the clash tends to show itself more directly as strain.
The same principle applies to the day branch clash. In matching, the day branch is often treated as the marriage palace, so a clash between the two day branches is commonly flagged. But the reading still depends on the element and the placement involved. A 子午 day-branch clash between two charts with different needs is not the same as a 子午 day-branch clash between two charts with identical needs. The structural fact is the same; the functional meaning is not.
「日支相冲不宜」这类断语怎么读
The saying that a day-branch clash is unsuitable for marriage is an example of a stock judgment that lacks a checkable derivation. Such sayings are repeated widely, but they do not come with a traceable chain of reasoning from first principles to the specific conclusion, and they are not supported by a comparable body of records. Within the same day-branch clash pairing, one can find both long-lasting unions and separations. The presence of the clash does not correlate cleanly with the outcome.
This does not mean the clash should be ignored. It means that a one-line rule such as 日支相冲不宜 cannot carry the weight often placed on it. A responsible reading would note the clash, identify where it occurs, and then examine the elements and needs of both charts before drawing any conclusion. The clash is a condition to be read, not a verdict to be applied.
When a combined-chart report is produced, it typically marks whether the two day branches stand in one of the standard relations: the same branch, self-punishment, six clash, six combination, six harm, or six destruction. That marking is checkable. The conclusion drawn from the marking is not. The report may state that the day branches are in 六冲, and that statement can be verified against the branch positions. Whether that 六冲 means the relationship is unsuitable is a further layer of interpretation, and that layer is not supplied by the fixed structure of the branches.
这组名目的实际分量
The practical weight of 大六冲 and 小六冲 is limited. The fixed six clashes are part of the standard branch system and can be identified unambiguously. The greater-and-lesser division is not part of that fixed system, and no single definition governs it. When the terms appear, they should be treated as a folk gloss rather than as a technical category with stable content.
For any actual reading, the useful information lies in which branches clash, where the clash occurs, and what the charts require. Those factors can be examined without resorting to a ranking of greater and lesser clashes. The ranking adds a sense of severity, but because its basis is inconsistent, it does not improve the reading. In matching, especially, the safer procedure is to keep the fixed relation in view, note its position, and leave the judgment to the wider structure of the two charts.