Si-Hai Clash
The nature of the Si-Hai clash
Both Si and Hai belong to the Traveling Horse stars. Si carries the image of roads, movement, and walking, while Hai carries the image of rivers, waterways, and flowing water. Both branches are already highly mobile, so once they clash, they can create stronger turbulence and movement. The core of the Si-Hai clash is the water-fire clash between Bing Fire hidden in Si and Ren Water hidden in Hai.
Si is located at the southeast Earthly Gate, while Hai is located at the northwest Heavenly Gate. The Heavenly Gate belongs to the Qian trigram, representing the father and firm, forceful energy. The Earthly Gate belongs to the Xun trigram, representing the mother and gentle, yielding energy. A clash between the Heavenly Gate and the Earthly Gate is seen as a strong collision of yin and yang energy, so this clash is considered more intense than many other branch clashes.
Main signs
The Si-Hai clash can bring many changes, such as frequent travel, changes in work or residence, and an unstable lifestyle. It may also show situations where something is close to success but is suddenly lost.
Si Fire can represent the heart, internal heat, and verbal disputes. Hai Water can represent the kidneys, reproductive and urinary systems, as well as thoughts and the mind. Because Si and Hai contain mixed hidden stems, their clash can lead to many thoughts, intense inner struggle, and arguments or gossip. In health readings, it may involve the heart, cardiovascular or cerebrovascular system, liver, kidneys, reproductive and urinary systems, and may also point to vomiting, diarrhea, or diabetes.
Effects in different pillars
When the Si-Hai clash appears in the year branch, it mainly affects ancestors, parents, leaders, or elders, and may also bring changes involving superiors. If the year branch clashes with the month branch in the original chart, the early environment may be unstable, and the person may leave the ancestral home early. If the year branch clashes with the day branch, the person may have difficulty getting along with elders.
When the Si-Hai clash appears in the month branch, it can affect parents, siblings, friends, and the work environment. If it is favorable, environmental change may bring a suitable job. If it is unfavorable, the result of the change may not benefit the person. If the month branch clashes with the day branch in the original chart, the person may have difficulty getting along with parents or siblings.
The day branch is the spouse palace. When Si and Hai clash there, the spouse’s work environment may change, and the relationship may become unstable or involve long-term separation. If the clash is unfavorable, it may also point to weaker health or relationship difficulties.
The hour branch relates to the children palace and the household gate. When the Si-Hai clash appears there, it can point to changes in residence or long-distance travel. If the day branch clashes with the hour branch in the original chart, the relationship between spouses may be weaker, the bond with children may be thinner, or the children may leave home and travel far earlier in life.
Sources and Classical References
This page references the following classical text; the excerpt retains its original Chinese wording.
San Ming Tong Hui, Volume 2, “Discussion of Clashes”; Yi Si Zhan, Volume 10 · Source: Wikisource
Original text
地支取七位为冲，犹天干取七位为煞之义。
Zeng Shan Bu Yi, Volume 20, “Six Clashes” · Source: Wikisource
Original text
子午相冲、丑未相冲、寅申相冲、卯酉相冲、辰戌相冲、巳亥相冲。
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