Name your child
Name ideas for your baby from the Bát Tự chart, each with a reason, plus scores for your own picks.
Hầu hết tiện ích không cần tài khoản. Hồ sơ để lưu và đọc tiếp.
Chọn ngôn ngữ
Trang này chưa có đủ ba bản ngôn ngữ.
Convert lunar and solar dates both ways, with leap months, stems and branches and solar terms, or count days between dates.
Name ideas for your baby from the Bát Tự chart, each with a reason, plus scores for your own picks.
See the lunar date, stems and branches, auspicious hours and holidays for today or any day.
Find your Western zodiac sign from your birthday, with a short note for today.
Check door, bed and altar sizes on the Lỗ Ban rule and find the nearest good size.
Cast your Bát Tự chart from your birth date and hour, with a quick summary, luck pillars and full working.
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.
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.
The 24 solar terms are seasonal markers tied to Earth's orbit around the Sun, used as a farming guide in the lunar almanac.
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.
Lunar to solar conversion uses no fixed addition table. It relies on the new moon point, major solar terms and legal time zones, so it differs year by year.
Vũ Thủy, second of the 24 solar terms, marks damp rain and warming soil after winter. This explains its dates, meaning, and folk customs.
Đại 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.
Đại Hàn is the last of the 24 solar terms, at solar longitude 300 degrees and lasting about 15 days. Here its calculation, customs, and meaning are explained.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
Cau Ngu festival at Cua Dai lets fishermen honor the Nam Hai whale god and pray for good weather and a bountiful season, with rituals and folk performances.
The Vietnamese ao dai evolved from the 17th century xiem canh sen garment through reforms under Lord Nguyen Phuc Khoat and King Minh Mang.
Giỗ hết đại tường marks the end of two years of mourning. It covers the offering tray, how to arrange it, and the sequence for xả tang in Vietnamese custom.
Dai Bai village in Bac Ninh is the cradle of bronze casting in Northern Vietnam, with about 1000 years of history and refined engraving art.
Cao Dai Founding Day marks the 1926 Hoang khai Dai dao Tam Ky Pho Do, held around the tenth lunar month full moon at Tay Ninh Holy See.
Bronze casting for worship in Long Thuong, Y Yen and Dai Bai: how three villages keep a centuries-old craft alive against industrial pressure.
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.
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.
How Vietnamese Tử Vi books order a chart reading: Mệnh and Thân first, then Cục, the major stars, the palaces in aspect, auxiliary stars and the periods.
Explore Dai Trach Tho (Great Estate Earth) in the Sexagenary Cycle: origins, Five Elements characteristics, compatible colors, directions and applications.
Đại Hải Thủy is the nạp âm for Nhâm Tuất and Quý Hợi years, tied to the Water element and the vast ocean, with its traits and Five Elements meaning.
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.
Đại Khê Thủy is the nạp âm for Giáp Dần and Ất Mão in Lục Thập Hoa Giáp. It covers its five elements nature and meaning in Tử vi and phong thủy.
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.
The Tam Hop Trang Sinh water method reads water by direction: receive water at the Trang Sinh palace, discharge it at the Tuyet palace.
Đại Lâm Mộc is the nạp âm for Mậu Thìn and Kỷ Tỵ years, tied to the Wood element. See its traits and Five Elements meaning in Lục Thập Hoa Giáp.
Đại Hao in Tử Vi is not merely a malefic star. This analysis explains its dissipating nature, how it acts by palace, and when it forms a good configuration.
A Kinh Dịch hexagram stacks several layers of text: name, hexagram text, six line texts, then the Thoán, Great Image, Small Image, and Văn Ngôn.
Tieu han is placed by the trine group of the birth year branch, nguyet han by birth month and hour, with notes on where Tu Vi schools differ.
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.
Yin Male, Yang Male, Yin Female, Yang Female: the Yin Yang of the birth year sets whether Đại Hạn runs forward or backward in a Tử Vi chart.
Film actress, comedian, film producer
Professor, Academician, Major General, Labour Hero, military scientist, the person who laid the foundations of Vietnam's defence industry
The solar date each of the 24 terms begins, for every year from 2020 to 2035, computed from solar longitude in Vietnam time.
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.
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.
Most tools need no account. A profile lets you save and pick up later.
Choose language
This page is not yet available in all three languages.