Knowledge › Vietnam › Folk taboosVietnamese taboo names of ancestors: why giỗ prayers whisper the dead's name, whether children could share a grandparent's name, and where the custom endures.
Updated 20 Oct 2026Culture and belief
Knowledge › Vietnam › Folk taboosFolk belief holds that a funeral brings cold air affecting the living, so the sick stay away. Eastern medicine links this to yin-yang imbalance.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Traditional foodDuck, squid, banana, shrimp, snail and fertilized duck eggs are avoided at new year in Vietnamese folk belief, which links them to bad luck.
Updated 13 Aug 2026Culture and belief
Knowledge › Vietnam › Life-cycle ritesWhen to burn the mourning scarf in Vietnamese custom: the 49-day, 100-day and death anniversaries, plus the rites of removing mourning.
Updated 23 Sept 2026Culture and belief
Knowledge › Vietnam › Folk taboosVietnamese wedding taboos include age compatibility and the bride not looking back. Experts say happiness depends on mutual understanding.
Updated 26 Jun 2026Culture and belief
Knowledge › Vietnam › Folk taboosGhost Month in the 7th lunar month: its origins, common folk taboos, and the Buddhist view of Vu Lan as a season of gratitude and filial piety.
Updated 23 Jun 2026Culture and belief
Knowledge › Vietnam › Date selectionWang Chong of the Eastern Han refuted day taboos, Tai Sui avoidance and fear of spirit harm in the Lunheng chapters Jiri, Biansui and Nansui, with quotes.
Updated 17 Oct 2026Traditional systems
Knowledge › Vietnam › Folk taboosAmong the Pu Peo, a father stays home until his newborn is named, three days for girls and five for boys, to guard against evil spirits.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Folk taboosWhat age-borrowing means before building a house in Vietnam, how the stand-in is chosen, the five customary steps, and why the symbolic sale is ritual only.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Date selectionCửu Độc: nine days of the fifth lunar month (5-7, 15-17, 25-27). What the Kinh Sở tuế thời ký says, what is avoided, and solar dates for 2026 to 2030.
Updated 17 Oct 2026Traditional systems
Knowledge › Vietnam › Traditional foodThe five-fruit tray for Tet carries wishes through bananas, pomelos, papayas and mangoes, with regional differences between North and South Vietnam.
Updated 3 Sept 2026Culture and belief
Knowledge › Vietnam › Life-cycle ritesThe Cap Sac ceremony of the Dao Dau Bang people in Lai Chau marks a man's coming of age, with strict trials and the conferring of a secret am name.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Ancestor worshipA clan genealogy lists taboo and courtesy names, birth and death dates, burial sites and children; it was kept in an altar cabinet or box at the clan hall.
Updated 20 Oct 2026Culture and belief
Knowledge › Vietnam › Tet customsTết in northern Vietnam: the feast tray, Nhật Tân peach blossom, the Hàng Lược flower market and three days of family reunion, with origins and meaning.
Updated 12 Oct 2026Culture and belief
Knowledge › Vietnam › Date selectionHiệp Kỷ Biện Phương Thư records Nguyệt Kỵ and rejects Dương Công kỵ nhật. An analysis of the original Chinese text, separating old rules from folk beliefs.
Updated 14 Oct 2026Traditional systems
Dictionary › Folk taboosKim Lâu is a Vietnamese folk taboo checked before building a house or marrying, found by dividing lunar age by nine, with remainders of 1, 3, 6 or 8.
Updated 12 Sept 2026Traditional systems
Knowledge › Vietnam › Tet customsXông đất, xông nhà and đạp đất are one new-year custom. Books on the North, Huế and the South differ on its name, lộc-picking and the vào khem wait.
Updated 12 Oct 2026Culture and belief
Knowledge › Vietnam › Folk taboosIn the Mekong Delta, bananas are avoided on Tet because 'chuoi' sounds like 'chui', or to plunge. The five-fruit tray instead follows 'Cau Vua Du Xai'.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Date selectionNhị thập bát tú trực nhật assigns 28 stars to rule days in a cycle, tied to diễn cầm and date selection. This article analyses its origins and calculation.
Updated 17 Oct 2026Traditional systems
Dictionary › Folk taboosHoang Ốc is a Vietnamese folk taboo checked before building a house, sorting lunar age into six positions, three of which are considered unfavourable.
Updated 12 Sept 2026Traditional systems
Knowledge › Vietnam › Vietnam's ethnic communitiesThe Lao in Vietnam call themselves Thay and Thay Duon, speak a Tay-Thai language, live in Dien Bien, Lai Chau and Son La, and keep ancestor altars.
Updated 19 Sept 2026Culture and belief
Knowledge › Vietnam › Tet and seasonal ritesFirst-day Tet travel for 2027: how to choose the hour and direction, prepare offerings, and follow the route, plus why sources disagree on the calculations.
Updated 21 Sept 2026Culture and belief
Knowledge › Vietnam › Vietnam's ethnic communitiesVietnam's Cong people live mainly in Lai Chau, speak a Tibeto-Burman language and keep ancestor worship and their own festivals.
Updated 19 Sept 2026Culture and belief
Knowledge › Vietnam › Festival customsApartment and rented-home nhập trạch rites still announce the move to ancestors and thổ công but skip động thổ and structural changes, with simpler offerings.
Updated 17 Oct 2026Culture and belief
Knowledge › Eastern › Lunar calendarĐại Tuyết, the 21st solar term, begins at solar longitude 255 degrees, usually on 7 December, opening the Tý month. Start times 2025 to 2030, Vietnam time.
Updated 16 Oct 2026Calendar and astronomy
Knowledge › Vietnam › Folk taboosThe Hoang Ốc count used before building a house in Vietnam: the six positions and why the digit-sum shortcut gives the same answer.
Updated 12 Sept 2026Culture and belief
Knowledge › Vietnam › Vietnam's ethnic communitiesThe Hre live in western Quang Ngai and An Lao in Binh Dinh, speak a Mon-Khmer language and hold the buffalo sacrifice as their largest rite.
Updated 19 Sept 2026Culture and belief
Knowledge › Vietnam › Tet customsCúng cơm ba ngày Tết covers the first, second and third day rites: Nguyên đán, Chiêu điện, Tịch điện and the Tạ ceremony, with regional differences.
Updated 11 Oct 2026Culture and belief
Knowledge › Vietnam › Folk beliefExplore the Tra Hat rain-praying festival of the Khmer Mu people in Dien Bien: origins, rituals, offerings, and profound agricultural cultural significance.
Updated 24 Jul 2026Culture and belief
Knowledge › Vietnam › Date selectionAuspicious and inauspicious days classify a whole day by the twelve deities, while auspicious hours classify each two-hour block by that same set.
Updated 14 Oct 2026Traditional systems
Knowledge › Vietnam › Vietnam's ethnic communitiesThe La Ha people live in Yen Bai and Son La, with a 2019 population of 10,157. Their housing, marriage and worship customs are covered here.
Updated 19 Sept 2026Culture and belief
Knowledge › Vietnam › Date selectionZodiac year taboos on building, marrying, or having a child, how Kim Lâu, Hoang Ốc, and Tam Tai are calculated by lunar age, and why methods differ.
Updated 17 Oct 2026Traditional systems
Knowledge › Eastern › Lunar calendarIs offering the First Full Moon on the 13th or 14th lunar day acceptable, where does the early custom come from, and what should the tray include?
Updated 17 Oct 2026Calendar and astronomy
Knowledge › Eastern › Lunar calendarBạch Lộ (White Dew), the 15th solar term, starts around 7 or 8 September as night vapour condenses into white dew, marking mid-autumn in the calendar.
Updated 16 Oct 2026Calendar and astronomy
Knowledge › Vietnam › Tet and seasonal ritesA guide to the Thang Long Tu Tran spring pilgrimage: the order of the four temples, what to pray at each, and mistakes first-timers often make.
Updated 22 Sept 2026Culture and belief
Knowledge › Vietnam › Folk taboosKim Lau, Hoang Oc and Tam Tai restrictions shape the Vietnamese custom of borrowing age to pick a year for building a house.
Updated 29 Jun 2026Culture and belief
Knowledge › Vietnam › Folk beliefThe Hungry Ghost Festival on the 15th day of the 7th lunar month blends Buddhist and Taoist roots, with offerings for wandering spirits.
Updated 13 Jun 2026Culture and belief
Knowledge › Vietnam › Ethnic minority customsNào Pê Chầu, the Mông New Year, falls a month before Tết Nguyên Đán: sweeping the soot, the Xử Ka offering, the year-end meal and fetching new water.
Updated 12 Oct 2026Culture and belief
Knowledge › Vietnam › Ancestor worshipThe Thánh sư altar honours a craft's patron. Learn the three names, altar placement, ritual objects, and offering days per custom books.
Updated 20 Oct 2026Culture and belief
Knowledge › Vietnam › Vietnam's ethnic communitiesThe Lo Lo live in Ha Giang, Cao Bang and Lao Cai, speak a Tibeto-Burman language, and are split into the Flowery Lo Lo and Black Lo Lo.
Updated 19 Sept 2026Culture and belief
Knowledge › Eastern › Feng shuiDiscover kitchen feng shui principles: location, stove direction, colors, and remedies to attract wealth and health for your family.
Updated 30 Jun 2026Traditional systems
Knowledge › Vietnam › Ethnic minority beliefThe Ê Đê of Đắk Lắk follow a matrilineal system and worship the Yang spirits. Their grave-abandonment rite sends the dead to the ancestors.
Updated 1 Sept 2026Culture and belief