According to Feng Shui expert Pham Cuong, in his research and practice of Feng Shui in construction, he has found that only two limitations truly need to be avoided when building a house: Kim Lau and Hoang Oc.
Sharing on the Pham Cuong Feng Shui channel, he notes that Tam Tai is also a limitation, but it relates to hardship, and building a house is inherently not a difficult task. Therefore, in many cases, homeowners can proactively accept Tam Tai, considering it as “embracing hardship in advance,” rather than being overly superstitious and missing the right time to build.
Conversely, Kim Lau and Hoang Oc are the two primary limitations to avoid, as they directly affect both the people and the house after construction.
Kim Lau – A Critical Limitation When Building a House
Expert Pham Cuong explains that Kim Lau, according to ancient beliefs, is the “golden house,” traditionally reserved for royalty. If commoners violate Kim Lau by building a house, it is considered disrespectful and may lead to misfortune.
In Feng Shui, the Kim Lau age is understood as an inauspicious time to start major endeavors, especially building a home.
Kim Lau is calculated by dividing the homeowner’s lunar age by 9. If the remainder is 1, 3, 6, or 8, it indicates a Kim Lau violation:
Specifically: Remainder 1: Kim Lau Than – harms oneself. Remainder 3: Kim Lau The – harms the spouse. Remainder 6: Kim Lau Tu – harms children. Remainder 8: Kim Lau Luc Suc – harms pets and livestock.
For example, a 37-year-old (lunar age) divided by 9 leaves a remainder of 1, indicating Kim Lau Than; 42 divided by 9 leaves a remainder of 6, indicating Kim Lau Tu; 44 divided by 9 leaves a remainder of 8, indicating Kim Lau Luc Suc. Those involved in farming or livestock should pay special attention to Kim Lau Luc Suc.
Hoang Oc – A Limitation Directly Related to the House
The second limitation emphasized by the expert is Hoang Oc, which translates to “abandoned house.” According to Feng Shui, building a house in a Hoang Oc year can result in a cold, uncomfortable home, and the homeowner may face health or financial issues, or fail to complete the house.
Hoang Oc is divided into 6 alternating cycles: First Cat – good, brings blessings; Second Nghi – good, brings wealth; Third Dia Sat – bad, prone to illness; Fourth Tan Tai – good, increases wealth; Fifth Tho Tu – bad, prone to separation and decline; Sixth Hoang Oc – very bad, the house may become abandoned.
Among these, First Cat, Second Nghi, and Fourth Tan Tai are favorable cycles for building a house. The others should be avoided.
Hoang Oc is calculated based on a fixed 6-cycle loop. For example, 26 (lunar age) falls into Second Nghi – a good cycle for building; but 27 falls into Third Dia Sat, which is not suitable for construction.
No Need to Overly Worry About Thai Tue or Star Limitations When Building a House
According to expert Pham Cuong, factors like Thai Tue, star Thai Bach, La Hau, or negative Cuu Trach primarily relate to astrology and spiritual rituals, not as decisive factors for building a house.
He believes concepts like Trach Tu or Trach Hu lack a solid foundation and should not be overly trusted. Rituals to resolve star limitations are more psychological than decisive in Feng Shui.
From authoritative Feng Shui texts, expert Pham Cuong confirms:
When choosing an age to build a house, only avoid the two limitations of Kim Lau and Hoang Oc. Do not let overlapping criteria lead to “no suitable age to build a house in ten years.”
List of Auspicious Ages for Building a House in 2026 (Binh Ngo)
Based on Kim Lau and Hoang Oc analysis, the auspicious ages for groundbreaking and building in 2026 include: 1941 (Tan Ty), 1948 (Mau Ty), 1950 (Canh Dan), 1951 (Tan Mao), 1957 (Dinh Dau), 1959 (Ky Hoi), 1960 (Canh Ty), 1966 (Binh Ngo), 1968 (Mau Than), 1969 (Ky Dau), 1975 (At Mao), 1978 (Mau Ngo), 1984 (Giap Ty), 1987 (Dinh Mao), 1993 (Quy Dau), 1996 (Binh Ty), 2002 (Nham Ngo).
For homeowners whose ages are not compatible in 2026, the practice of borrowing an age for construction should be understood and executed correctly.
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