Trùng Tang and the Hour of Coffining: The Short Answer
In folk understanding, trùng tang is the belief that several people in the same clan die one after another within a short span, and that the newly deceased can "pull" relatives along if no protective rite is performed or the right hour, day and land for burial are not chosen. 知识类别: 民间观念民间观念. 人们相信、禁忌或口耳相传之事，作为信仰记录，而非已核实的事实。 五类标签This understanding is tied to the custom of choosing the hour of coffining, avoiding certain burial days and choosing an auspicious grave site, practices described in some detail in books on Bắc Kỳ customs from the late 19th and early 20th centuries12.
Anthropology and religious studies today do not read these taboos as objective laws, but as ways people ease unease before death while re-establishing order within the family and clan. In other words, the question is not "is trùng tang real", but "why do people believe it and what does that belief do for the bereaved".
How Did Dumoutier 1904 and Phan Kế Bính 1915 Describe Bắc Kỳ Funerals?
These two texts are the most important surviving descriptive sources on Vietnamese funerals in Bắc Kỳ in the early modern period. The two authors observed from different positions: one a French civil servant working in Bắc Kỳ, the other a Confucian scholar writing a customs book for Vietnamese readers, yet both recorded a dense system of taboos around choosing dates, hours and land.
知识类别: 史料历史文献. 有文献、年代与出处；旁边的注释编号指向该出处。 五类标签Gustave Dumoutier, in Le rituel funéraire des Annamites published in Hà Nội in 1904, reconstructed the funeral rite system of the Annamites with sections on choosing dates and hours, choosing land and the taboos to be observed1. The book belongs to colonial-era religious ethnography, so it proves what contemporaries observed and recorded, not that what was recorded is objectively true.
Phan Kế Bính, in Việt Nam phong tục, printed as a book in 1915 after serialisation in Đông Dương tạp chí in 1913-1914, devoted the family section to describing funerals and taboos2. The digitised version used here is the Khai Trí edition reprinted in Sài Gòn in 1973. Phan Kế Bính's description leans toward explaining to readers why ancestors did so, making it both a record of custom and a text interpreting filial piety in the Confucian spirit.
Comparing the two texts reveals a notable point: neither Dumoutier nor Phan Kế Bính presents the funeral as a fixed rite, but as a series of decisions depending on the age, status of the deceased and family circumstances. That is why the taboos had room to flex, and why it is hard to speak of a single "standard version" of the Bắc Kỳ funeral.
Đỗ Lan Hiền 2013: What Notions Underlie the Hour of Coffining and Trùng Tang?
Đỗ Lan Hiền, in the article "Một số vấn đề trao đổi về tang lễ của người Việt hiện nay" published in Tạp chí Nghiên cứu Tôn giáo no. 8 in 2013, examined Confucian, Buddhist and Catholic philosophies along with medical, feng shui and astrology notions to clarify the meaning of certain Vietnamese funeral rites. The author shows that practices such as consulting dates and hours, choosing an auspicious grave site or reburial do not belong neatly to any one religion, but result from layers of different traditions over centuries.
According to Đỗ Lan Hiền, campaigns for a civilised lifestyle in weddings, funerals and festivals launched by the State, though concretised into regulations and village conventions, achieved little. The author calls this phenomenon old practices persisting and seeping through daily life, ready to flare up when opportunity arises. The reason given is not that people lack information, but that funeral rites carry psychological and social functions that administrative rules can hardly replace: they help the living believe they have fulfilled filial duty to the deceased.
Why Have Campaigns for a New Lifestyle Changed Funerals So Little?
The short answer: because a funeral is not just procedure, but a place where the living process emotion and confirm their position in the clan. A regulation can shorten mourning, limit drums and trumpets or ban scattering real money on the funeral route, but it can hardly replace the feeling that "if I do not do enough, I wrong the deceased".
Đỗ Lan Hiền notes that alongside the trend of reviving costly practices in feasting, drums and trumpets and offerings, there has been a return of consulting dates and hours, amulets, votive paper burning and scattering real money, together with the phenomenon of village cemetery land being occupied for large tombs. This describes the situation in the early 2010s, not nationwide measurement data.
知识类别: 证据不足证据不足. 有人提出，但尚无足够的出处或研究可以确认。 五类标签No quantitative survey in this article's source list measures the current practice of funeral taboos in Vietnam, nor has any study verified trùng tang as a demographic phenomenon. What we have are descriptions of custom and interpretive analyses.
Comparison Table: Taboos, Recorders, Explanations and Readings
| Taboo or practice | Recorder, year | Explanation of practitioners | How researchers read it |
|---|---|---|---|
| Choosing the hour of coffining | Dumoutier, 19041; Phan Kế Bính, 19152 | The hour of coffining affects the wellbeing of the living and the dead | A rite marking a transition, giving the family a point to act on |
| Avoiding certain burial days | Dumoutier, 19041; Phan Kế Bính, 19152 | An unlucky day may bring misfortune to the clan | A way to ease unease by following an existing order |
| Choosing an auspicious grave site | Đỗ Lan Hiền, 2013; Dumoutier, 19041 | Good land benefits descendants, bad land brings lasting trouble | Feng shui notions layered over Confucian filial piety |
| Trùng tang | Đỗ Lan Hiền, 2013 | The newly deceased may pull relatives along if not protected | A belief tied to fear of further loss, with no independent verification |
| Reburial | Đỗ Lan Hiền, 2013 | After some time the bones are cleaned so the deceased may rest | A rite reaffirming the relation between the living and the dead |
| Funeral taboos in general (before 1975) | Toan Ánh, 19693 | Many taboos varying by region and clan | A record of custom by a folk culture collector3 |
Note that the table above is not a lookup table to follow, but a comparison between practitioners' words and researchers' readings. The "how researchers read it" column reflects only what the sources in the list say, not a general conclusion for all of anthropology.
Is Trùng Tang a Correct Calculation?
No source in this list verifies trùng tang as an objective phenomenon. What we have is: (a) descriptions of custom showing that Vietnamese in some regions believe in trùng tang and have ways to ward it off; (b) Đỗ Lan Hiền analysing the religious and feng shui notions behind those practices; (c) no quantitative survey or epidemiological study in the list measuring the phenomenon.
知识类别: 证据不足证据不足. 有人提出，但尚无足够的出处或研究可以确认。 五类标签So when someone says "this family is suffering trùng tang", that is an interpretation of events, not a verified calculation result. This article does not calculate trùng tang hours, does not confirm and does not deny that calculation; it only notes that the calculation exists in daily life and has been described by researchers.
Why Can Belief Still Change Behaviour?
One point needs clarity, because it is often misunderstood from both sides. Belief in trùng tang or in the hour of coffining can produce real effects, but those effects come from the behaviour the belief drives, not from the belief correctly reading a law. A family that believes a protective rite is needed will hold a more careful funeral, call all relatives home, spend more time caring for one another. Such behaviour can ease grief and strengthen family ties. That is a social effect, not evidence for a trùng tang law.
In other words, we can note that the belief is useful to the bereaved without asserting it is demographically true. This reading matches Đỗ Lan Hiền's line of analysis when the author stresses the function of ritual in keeping order and meaning for the family.
Where the Sources Disagree
The sources in the list disagree on a few points. First, Dumoutier describes the funeral as an ordered system of rites, while Phan Kế Bính stresses filial piety and the responsibility of descendants12. The two descriptions do not contradict, but they lead to two different readings of the role of taboos: one sees taboos as part of ritual, the other sees taboos as part of family ethics.
Second, Toan Ánh describes many funeral taboos before 1975, but the book survives only as a catalogue entry in the library, without full text, so the article only repeats what the summary says and adds no detail3. That means we know the book describes taboos, but cannot cite each taboo specifically.
Third, Đỗ Lan Hiền notes that reform campaigns achieved little, but the article gives no measurement data. This is a qualitative judgement based on the author's observation, not a wide-scale survey result.
What This Article Does Not Say and Where to Continue
This article does not calculate trùng tang hours, does not give a formula for choosing the hour of coffining, and does not advise doing or dropping any taboo. Its purpose is to answer "where do these taboos come from", not "what should be done".
If you need a list of specific taboos when there is a death in the family, the article Folk Notions on Taboos When There Is a Death in the Family lists them. If you want the overall picture of Vietnamese funerals, the article Traditional Vietnamese Funerals: Cultural Meaning and Common Forms presents the forms and cultural meanings. The article you are reading answers "where from", the other two answer "what they include".
Conclusion
Funeral taboos are folk notions with a long recorded history, at least from the late 19th century through the descriptions of Dumoutier and Phan Kế Bính12. Anthropology and religious studies today read them through their function of comforting the living and keeping order in the family and clan, not through the question of true or false. No source in the list verifies trùng tang as a phenomenon, and there is still no quantitative survey of how widely these taboos are practised in Vietnam today.
