Nhị thập bát tú trực nhật pairs the 28 mansions with days across seven Giáp Tý cycles of 420 days. Hiệp kỷ biện phương thư records it and criticises it.
The 8th house rules transformation, shared resources, crisis, and rebirth in the astrological chart, showing how loss and change shape spiritual growth.
The Hanoi Autumn Festival 2026 runs 16-18 October at Thống Nhất Park, with 9 spaces covering heritage, craft villages, cuisine and international exchange.
Hexagram 28 Da Quo in the I Ching: its structure, meaning, and guidance for handling extraordinary pressure when a heavy burden overwhelms a weak foundation.
Mường Lò Cultural and Tourism Festival 2026 runs 1 to 7 October in Lào Cai, opening 20:00 on 2 October and marking five years of UNESCO-listed Thai Xoe.
Lập Xuân, the first solar term of the year, falls on 3 or 4 February (4 February in 2026). How it is calculated, why it changes the year, and its customs.
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.
Nhị 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.
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.
Amitābha Buddha's Day, 17th of the 11th lunar month (25 Dec 2026): why this date was chosen, what the sutra says, and how Vietnamese pagodas observe it.
Sene Dolta (Sen Đôn Ta, Pchum Ben) in 2026 runs three days, 10 to 12 October. Temple and home rituals and meaning of the Southern Khmer ancestor festival.
Cổ Lễ Pagoda (Ong) Festival, Ninh Bình: 13th to 16th of the 9th lunar month, main day the 14th. In 2026 that is 22 to 25 October; in 2027, 12 to 15 October.
Hóa Khoa in the Four Transformations of Zi Wei Dou Shu governs reputation, education and the power to resolve calamities, softening malefic stars in a chart.
Kim Lâu: divide tuổi mụ (lunar age) by 9; remainders 1, 3, 6, 8 are affected. Birth years affected for weddings in 2026 and 2027, and where the books differ.
Nguyễn Công Trứ's death anniversary, 14th day of the Eleventh Lunar Month in Nghi Xuân, Hà Tĩnh: 22 Dec 2026, rites, his life and the founding of Tiền Hải.
Cau Ngu festival at Cửa Đại lets fishermen honor the Nam Hải whale god and pray for good weather and a bountiful season, with rituals and folk performances.
Tử Vi dates the birth year from the first day of Tết, Bát Tự from the Lập Xuân solar term. How each fixes age and why some births shift stem-branch year.