The Twenty-Four Solar Terms: Why the Solar Calendar Lives Inside the Lunar Almanac, and Why It Ties to Farming
The 24 solar terms are seasonal markers tied to Earth's orbit around the Sun, used as a farming guide in the lunar almanac.
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The 24 solar terms are seasonal markers tied to Earth's orbit around the Sun, used as a farming guide in the lunar almanac.
The Xơ Đăng include the Xơ Teng, Tơ Đrá, Mnam, Ca Dong, Ha Lăng, Tà Trĩ and Chau subgroups in Kon Tum, Quảng Nam and Quảng Ngãi, with worship of Kiak spirits.
Lồng Tồng of the Tày, highland first-furrow festivals, and the Kinh tịch điền rite compared: who organizes each and how the core rite differs.
Xử Thử is the 14th of the 24 solar terms, usually beginning around August 23, marking the retreat of heat and the arrival of autumn.
Tắc Xình is the Sán Chay (Cao Lan) people's dance for the Harvest Prayer Festival, mimicking the whole swidden farming cycle from clearing fields to harvest.
Wild sunflowers bloom on Chư Đang Ya volcano in Gia Lai from mid-October to November, tied to a festival week and the culture of the local Jrai people.
Dế Khù Chà, the rainy-season Tết of the Hà Nhì: soul-calling rites, glutinous rice cakes, swings and prayers for rain; each village picks its own day.
The Ma live in Lâm Đồng and Đồng Nai, speak a Mon-Khmer language with no script, worship Yang spirits and hold a buffalo sacrifice after harvest.
The Tria Lua seed planting festival of the Bru-Van Kieu people in Quảng Bình thanks the rice god and prays for a bountiful harvest before the planting season.
Pặt Oong is the Pu Péo people's key agricultural ritual, held at the new year to ward off evil spirits and pray for a bountiful harvest.
The Cau Mua ceremony of the Sán Chay people in Ba Chẽ, Quảng Ninh, prays for good weather and harvests and reflects animist belief and community ties.
The Kinh (Viet) are 86.83% of Vietnam's population and speak Vietnamese of the Việt Mường group. Their villages and ancestor worship are covered here.
Nào 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.
The Brau are one of Vietnam's 54 ethnic groups, living mainly in Kon Tum. This article covers their language, worship customs, festivals and cultural life.
The Chu Ru are one of Vietnam's 54 ethnic groups, living in Lâm Đồng and Ninh Thuận and speaking a Malayo-Polynesian language.
The Tà Ôi live in western Quảng Trị and Thừa Thiên Huế, speak a Mon-Khmer language, and worship spirits with festivals tied to the swidden farming cycle.
The Co live in northwestern Quảng Ngãi and southwestern Quảng Nam, speak a Mon-Khmer language, and hold a buffalo sacrifice as their largest festival.
Explore the Tra Hat rain-praying festival of the Khmer Mu people in Điện Biên: origins, rituals, offerings, and profound agricultural cultural significance.
Mang Chủng is the 9th of the 24 solar terms, usually starting around June 5 or 6 as Tiểu Mãn ends. Its meaning, calendar role, and customs explained.
The Cha Chaih (An Than) ritual of the Giẻ Triêng people sends 7 young men into the forest for chaih charcoal, with vows to spirits and tool forging.
The Rơ Măm people belong to the Mon-Khmer language group and live mainly in Kon Tum. Learn about their language, worship customs and main festivals.
The legend of bánh chưng and bánh giầy: Lang Liêu, son of a Hùng king, offers cakes of glutinous rice. Where the tale is recorded and what it explains.
The Vietnamese lunar calendar is actually a lunisolar calendar combining the moon's phases and Earth's orbit around the Sun.
The Ha Nhi live along Vietnam's Chinese and Lao borders in Lai Châu and Lào Cai, speak a Tibeto-Burman language and worship ancestors by household.
Tiểu Mãn, the 8th solar term, begins on 20 or 21 May when the Sun reaches 60 degrees longitude. In 2026 it starts at 07:28 on 21 May, Vietnam time.
Lập Đông is the 19th of the 24 solar terms, marking the start of winter and usually falling on 7 or 8 November each year.
The Dao are one of Vietnam's 54 ethnic groups. Where they live, their Hmong-Dao language, ancestor and Bàn Vương worship, and cap sac rites.
Kinh Trập, the third of the 24 solar terms at solar longitude 345 degrees, usually begins March 5 or 6. Origin of the name and start times for 2025 to 2030.
Cốc Vũ, the sixth solar term beginning 19 or 20 April, marks the rains that feed the rice. Its calculation, meaning and folk customs are explained.
The Tày and Nùng buffalo celebration on 6/6 lunar honors the buffalo after transplanting and prays for healthy herds and a bountiful harvest.
Explore the Lùng Tùng Festival of the Thai people in the Northwest: origins, the Nàng Han ritual, agricultural significance, and festive activities.
Village communal houses differ across the Northern Delta, the South, and the Mekong Delta waterways in architecture, deities, and festivals.
The Pà Thẻn live in Hà Giang and Tuyên Quang and speak a Hmông-Dao language. Their customs include ancestor worship and the new rice ceremony.
Northwest Vietnam culture covers ethnic communities, harvest rituals, seasonal festivals and crafts like weaving, embroidery, forging and silver carving.
The rain-praying festival of the Cham people in Bình Thuận is an ancient agricultural ritual held after Cham New Year, seeking blessings for good weather.
Lồng Tồng, the Tay people's first plowing festival of spring, features rites to the Agriculture God and folk games wishing for a good year.
The Ra Glai live in south-central Vietnam, speak a Malayo-Polynesian language, and hold farming rituals and worship customs.
The Nho Dong rain praying ceremony of the Cơ Ho Cil people near Lang Biang Mountain asks Yang for favorable weather and abundant harvests.
The Co Tu live in the Trường Sơn mountains of Quảng Nam and Thừa Thiên Huế, speak a Mon-Khmer language, and hold buffalo sacrifice and reburial rites.
The Hre live in western Quảng Ngãi and An Lão in Bình Định, speak a Mon-Khmer language and hold the buffalo sacrifice as their largest rite.
The Ê Đê live mainly in Đắk Lắk, southern Gia Lai, western Phú Yên and Khánh Hòa, speak a Malayo-Polynesian language and follow matrilineal customs.
155 types of Vietnamese offering rites in 15 groups, from ancestor and death-anniversary rites, Tết and the festivals of the year to funerals, communal houses and temples, and the rites of ethnic communities; each with alternative names, timing, recipients, a short description, classification axes (cycle, social setting, beings worshipped, tradition, ethnic group, cultural region), a structured date and sourced passages on its customs. It is the key table for Nhật Nguyệt's datasets on offering prayers and rite customs.