Hoàn giáp is when the birth stem-branch year returns after 60 years. Born Đinh Mùi 1967: 60 by reckoned age in 2026, hoàn giáp and 60 by Western age in 2027.
The longevity celebration honours grandparents and parents at ages 60, 70, 80, 90 or 100, showing filial piety and respect for old age in Vietnamese culture.
The 18-year-old coming-of-age ceremony marks the move from school years to adult duties, with a gratitude ritual at its heart that expresses filial piety.
Southern Khmer weddings feature the betel palm flower cutting ceremony that formalizes the union and the hand-tying ritual, a sacred moment binding two souls.
Updated 13 Sept 2026Culture and belief
Knowledge › Vietnam › Vietnamese commemorative days
The International Day of Older Persons on October 1 was established in 1990 by UN Resolution 45/106. Learn its origin, meaning, and how Vietnam observes it.
Trần Hưng Đạo, the general who led Đại Việt against the Mongols three times, became Đức Thánh Trần, a worshipped saint honoured at temples such as Kiếp Bạc.
Checking ages for building a house in 2027 Đinh Mùi: how Kim Lâu, Hoang Ốc and Tam Tai are calculated, and why an age can break one and not the others.
Northern Vietnam worship includes ancestor veneration, Thành hoàng, Mother Goddess and folk rites, reflecting uống nước nhớ nguồn and the wish for peace.