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Results for "Thu Phân solar term"
Calendar and astronomy
StartLunar-solar converter
Convert lunar and solar dates both ways, with leap months, stems and branches and solar terms, or count days between dates.
Vietnamese lunar calendar
See the lunar date, stems and branches, auspicious hours and holidays for today or any day.
Western zodiac (Sun sign)
Find your Western zodiac sign from your birthday, with a short note for today.
Ask the coins
Choose what you are asking about, cast, and see whether it leans favourable or not.
Vietnamese festival calendar
Look up the year's holidays and festivals, with where each is held and a map.
When Does Xuân Phân (Spring Equinox) Begin and What Customs Mark It?
Xuân Phân, the fourth of the 24 solar terms, starts on 20 or 21 March in Vietnam time. Exact dates to 2030, its three pentads and the customs around it.
When Does Thu Phân Begin and What Customs Mark It? A View from Sui Shi Guang Ji and Calendrical Science
Thu Phân, the 16th of the 24 solar terms, begins on 22 to 24 September as the Sun enters the Thọ Tinh station. Its calendar roots and customs, explained.
Tam nguyên and the 18 Ju of Qimen: How to Derive the Ju Number from Solar Terms According to the Source Texts
Tam nguyên splits each solar term into three five-day spans, each with one Kỳ Môn cục. The 24-term table follows the Hiệp kỷ biện phương thư.
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.
What is Tiết khí?
Solar terms are 24 markers dividing the year by the Sun's position on the ecliptic, used in East Asian calendrics to determine seasons and festivals.
What Is Vũ Thủy, the Rain Water Solar Term, When Does It Start, and What Customs Does It Have?
Vũ Thủy, second of the 24 solar terms, marks damp rain and warming soil after winter. This explains its dates, meaning, and folk customs.
What Is Đại Thử (Major Heat), When Does It Begin, and What Customs Come With It?
Đại Thử, the 12th solar term and mid-term of the sixth lunar month, begins when the Sun reaches 120 degrees, on 22 or 23 July. Start times 2025 to 2030.
What Is Lập Thu, When Does It Begin, and What Customs Come With It?
Lập Thu, tiết khí thứ 13, đánh dấu chuyển hạ sang thu. Bài giải thích cách tính ngày, ba hậu, gốc tích trong Tuế thời quảng ký và tục lệ.
What Is Tiểu Thử (Minor Heat)? When Does It Begin and What Customs Are Associated With It?
Tiểu Thử usually begins on July 7 and opens the Mùi month. Start times for 2025 to 2030, the meaning of its name and what classical books record.
What Is Mang Chủng Solar Term, When Does It Begin, and What Customs Are Observed?
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.
What Is Hàn Lộ Solar Term, When Does It Begin, and What Customs Does It Have?
Hàn Lộ is the 17th of the 24 solar terms, beginning around October 8 when the Sun reaches 195 degrees. Learn its meaning and customs.
What Are the Twelve Trực Kiến Trừ Mãn Bình Định Chấp Phá Nguy Thành Thu Khai Bế?
The twelve trực, from Kiến and Trừ to Khai and Bế, form a twelve-day cycle for judging each day, rooted in old calendars and the Hiệp kỷ biện phương thư.
Building the Four Pillars of BaZi from birth date and time: the year pillar changes at Lap Xuan, the month pillar changes at the solar term, the day pillar follows the 60-cycle, and the hour stem is derived from the day stem
BaZi's Four Pillars from birth date and time: the year pillar turns at Lap Xuan, the month at solar terms, the day runs the 60-cycle.
What Is Sương Giáng (Frost's Descent), When Does It Begin, and What Customs Are Observed?
Sương Giáng 2026 begins at 16:39 on 23 October, Vietnam time. The 18th solar term, mid-term of the ninth lunar month: dates, three pentads, customs.
How Ba Tu Major Cycles Are Set: Why They Run Forward or Backward by Gender and the Yin Yang of the Year Stem, How the Starting Age Is Counted from Days to the Nearest Solar Term (Three Days to One Year), and How to Read a Ten Year Major Cycle Together with the Annual Cycle Against the Useful God
Ba Tu major cycles are set by gender and the yin yang of the year stem, with starting age counted from days to the nearest solar term at three days per year.
What Is Bạch Lộ (White Dew), When Does It Begin, and What Customs Come With It?
Bạch 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.
Why two calendars give different lunar dates for the same solar day, and where time zones come in
Two calendars can give different lunar dates for the same solar day because they use different legal time zones, such as Vietnam at UTC+7 and China at UTC+8.
What Are the Origins and Meanings of the Mid-Autumn Festival in Vietnam?
Vietnam's Mid-Autumn Festival, the 8th lunar month full moon, is Children's Festival with ancestor offerings, moon-viewing trays and paper toys.
Is the Lunar Calendar Science or Superstition? Two Layers of One Calendar, the Computable Astronomy and the Day-Selection Layer Added Later
Lunar dates, leap months and solar terms are verifiable astronomy, while auspicious days and lucky stars are a later day-selection layer.
What the Táng Thư Says About Qi, Wind, Water, and the Origin of the Term Feng Shui
The Táng Thư says qi scatters in wind and stops at water, hence phong thủy; water comes first, storing wind second. Read against the Chinese text.
The Hồng Bàng Lineage and Kinh Dương Vương: What the Đại Việt sử ký toàn thư Records at Its Opening
Đại Việt sử ký toàn thư opens with the Hồng Bàng era: Kinh Dương Vương, named Lộc Tục, and the realm of Xích Quỷ. The Hán text set beside later histories.
What is Tấu Thư in Vietnamese astrology, and does it relate to study and exams?
Tấu Thư is a minor tử vi star for papers and eloquence; it analyses its place, links with Thiên Lương and Xương Khúc, and its limits.
What Is Cửu Cung: The Nine Squares of Lạc Thư and How Divination Arts Use It
The nine palaces are the nine cells of the Luo Shu, a 3x3 square whose every line totals 15, and the grid used by Huyền Không and Kỳ Môn.
Nguyệt Kỵ and Dương Công kỵ nhật: What Hiệp Kỷ Biện Phương Thư Records and What It Rejects
Hiệp 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.
How early 20th century Vietnamese consulted fortune tellers, picked auspicious days, and practiced mediumship: rereading Phan Ke Binh, Diguet, and Nguyen Van Huyen
Three early 20th century recorders found fortune telling, day selection and mediumship widespread in northern Vietnam, each seeing them differently.
What Are Ha Do and Lac Thu: Number Arrangement, Links to the Tien Thien and Hau Thien Bagua, and the Nine Stars
Ha Do arranges birth and completion numbers by direction and element, while Lac Thu is a 3x3 square where every row, column and diagonal sums to 15.
Lục Nhâm Course Types: What Are Nguyên Thủ, Trùng Thẩm, Tri Nhất, and Thiệp Hại, and How Is a Lục Nhâm Divination Named?
A Lục Nhâm course type names a chart by the overcoming relations among its four courses. The four base types are Nguyên Thủ, Trùng Thẩm, Tri Nhất, Thiệp Hại.
What Is the Tử Vi Đẩu Số Toàn Thư, Who Compiled It, and Why Nearly Every Tử Vi School in Vietnam Cites It
The Tử Vi Đẩu Số Toàn Thư circulated in the Ming era, its preface crediting La Hồng Tiên with compiling it from works attributed to Hi Di Trần Đoàn.
Mid-Autumn Festival for Children in Vietnam's Three Regions: How Lantern Parades, Lion Dances, and Moon-Viewing Feasts Unfold
How children celebrate Mid-Autumn in northern, central and southern Vietnam: lantern parades, lion dances and the moon-viewing feast.
Five Elements Generating, Controlling, Checking and Transforming: Why Does Excessive Generation Harm, and What Are Counter-Generation and Counter-Control?
Why too much generation harms in the Five Elements, what counter-generation and counter-control mean, and how Uyên Hải Tử Bình states the rule.
Dinh Thầy Thím Festival (Tế Thu Ceremony, Thầy Thím Death Anniversary) from the 14th to the 16th of the Ninth Lunar Month: Rituals and the Legend of Thầy Thím
Dinh Thầy Thím Festival runs from the 14th to the 16th of the Ninth Lunar Month with spirit welcoming, cộ bánh offerings, Thỉnh sanh, and Tiền hiền rites.
What Is Tam Long and the Sequence a Feng Shui Master Uses to Trace a Dragon Vein: From Thai To Son and Thieu To Son, Through the Narrowing Points to Long Nhap Thu
Tam Long traces a dragon vein from its distant source peak through to tong son, thieu to son and phu mau son to where it settles.
What Are the He Tu and Luo Shu? Why Every Li Qi Calculation Comes Back to the Nine Cells of the Luo Shu
The He Tu and Luo Shu are ancient diagrams behind feng shui li qi, explaining the 4-9-2 magic square and the nine palaces of the Later Heaven ba gua.
How to Read a Moving Line Transforming into a Changed Line in Liu Yao: Hoi Dau Sinh, Hoi Dau Khac, Hoa Tien Than, Hoa Thoai Than, Hoa Khong, Hoa Pha, Hoa Mo, Hoa Tuyet, Phuc Ngam and Phan Ngam
In Liu Yao, a moving line and the changed line it turns into are read as a pair, producing hoi dau sinh, hoi dau khac, hoa tien than, hoa thoai than and more.
Phan Châu Trinh
Patriot, initiator and leader of the Duy Tân (Modernisation) Movement in the early twentieth century
Phan Mạnh Quỳnh
Singer-songwriter, famous for the song 'Vợ người ta' and for compositions about the countryside and community
Phan Bội Châu
Patriotic scholar, founder of the Duy Tân hội, initiator of the Đông Du movement
Thu Trang
Film actress, comedian, film producer
Phan Thị Mỹ Tâm
Singer and songwriter known as the "Queen of V-pop"
The 24 solar terms
The solar date each of the 24 terms begins, for every year from 2020 to 2035, computed from solar longitude in Vietnam time.
Daily hexagram by the Gua Qi method, 1900 to 2100
Every solar day from 1900 to 2100 with its ruling hexagram under the Gua Qi method (six days seven parts), the line ruling the day, the position in the sixty-hexagram cycle, the winter solstice anchor and the minutes elapsed since it, the solar term and the cardinal hexagram line for that term. Enough to recompute every row independently.
Order of the sixty Gua Qi hexagrams
The sixty hexagrams that take turns ruling the days under the Gua Qi method, in order from Inner Truth at the winter solstice, with their solar month, their rank (duke, sovereign, marquis, grand master, minister) and when each takes over counted from the solstice. The lookup table for the que-ngay-quai-khi-1900-2100 dataset.
