Knowledge › Eastern › BaZiHow the four Earthly Branches in a Ba Tu chart combine, clash, punish, or harm one another, read by palace position and links to Dai Van and Luu Nien.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › BaZiHidden stems are the heavenly stems concealed inside each earthly branch, layered as main qi, middle qi and residual qi.
Updated 25 Sept 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsĐịa Chi is a system of 12 symbols, from Rat to Pig, used to mark time, direction and relationships in East Asian calendrics and the Stem-Branch cycle.
Updated 11 Sept 2026Calendar and astronomy
Knowledge › Eastern › Vietnamese astrologyThe six clashes of the twelve earthly branches, from Tý Ngọ to Tỵ Hợi, and how Tăng san bốc dịch reads clash as dispersal or as opening a storehouse.
Updated 12 Oct 2026Traditional systems
Knowledge › Eastern › Zodiac animalsThe 12 Vietnamese zodiac animals and their Earthly Branches, what each animal means, how to calculate age, and the folk relationships.
Updated 10 Sept 2026Traditional systems
Knowledge › Eastern › I ChingThe 64 hexagrams divide into eight palaces, from the pure hexagram through the fifth generation to Wandering Soul and Returning Soul.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › Vietnamese astrologyAnnual palaces carry the exact earthly branch of the year, while annual stars are placed by that year's stem and branch.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › Lunar calendarThe Hour of the Rat runs from 11 p.m. to 1 a.m. A table of all 12 watch-hours in clock time, plus the two ways of setting the day boundary at midnight.
Updated 15 Oct 2026Calendar and astronomy
Knowledge › Eastern › BaZiBazi (Four Pillars of Destiny) explained: the Year, Month, Day and Hour pillars, each with a Heavenly Stem and Earthly Branch.
Updated 16 Jul 2026Traditional systems
Knowledge › Vietnam › Folk beliefCouple age matching has three main methods: earthly branch, nạp âm and cung phi, which often disagree. With a worked example and what old books say.
Updated 15 Oct 2026Culture and belief
Knowledge › Eastern › Zodiac animalsThe Four Clashing Signs Ty, Ngo, Mao and Dau form two opposing pairs on the Earthly Branch cycle, shaped by the five elements and yin-yang rules.
Updated 19 Jun 2026Traditional systems
Dictionary › Bát Tự (Four Pillars)BaZi, or Four Pillars, is a traditional destiny analysis system built on the birth year, month, day, and hour, each with a Heavenly Stem and Earthly Branch.
Updated 12 Sept 2026Traditional systems
Knowledge › Eastern › I ChingTuần không in Lục Hào: the two branches missing from a ten-day cycle, how to find them for the six Giáp cycles, and what Tăng san bốc dịch says.
Updated 12 Oct 2026Traditional systems
Knowledge › Eastern › BaZiVan Xuong Quy Nhan is found by day stem to yield one branch, but its weight depends on thap than and position, not a promise of exam success.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › BaZiBa Tu reads marriage through the spouse star and the spouse palace at the day branch, plus how that branch combines or clashes with major and annual luck.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › Vietnamese astrologyThiên Khốc counts backward and Thiên Hư counts forward from the Ngọ palace in a Tý year, so the two stars stay symmetric across the Tý Ngọ axis.
Updated 25 Sept 2026Traditional systems
Dictionary › Feng shui24 Sơn Hướng is a system of 24 positions on the feng shui compass, each spanning 15 degrees, used to determine the orientation of houses and graves.
Updated 12 Sept 2026Traditional systems
Knowledge › Eastern › Vietnamese astrologyTam Phuong Tu Chinh is the four palaces used to read any one palace in Tu Vi: the home palace, its two Tam Hop palaces and the opposite one.
Updated 25 Sept 2026Traditional systems
Knowledge › Vietnam › Date selectionA guide to the 12 two-hour blocks of a traditional Vietnamese day, how the 6 auspicious and 6 inauspicious hours are determined, and notes on timing.
Updated 26 Jun 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsLục Hại is six pairs of Earthly Branches in latent conflict in the 12 zodiac system, such as Rat Goat and Ox Horse, often consulted for marriage and business.
Updated 12 Sept 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsFour conflicting zodiac signs are four Earthly Branches in two opposing pairs: Rat-Horse-Cat-Rooster, Tiger-Monkey-Snake-Pig, and Dragon-Dog-Ox-Goat.
Updated 12 Sept 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsTam Hợp (三合) is a group of three Earthly Branches spaced four positions apart, forming one of four elemental combinations.
Updated 12 Sept 2026Traditional systems
Knowledge › Eastern › Feng shuiThe Tam Hop Trang Sinh water method reads water by direction: receive water at the Trang Sinh palace, discharge it at the Tuyet palace.
Updated 25 Sept 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsThe zodiac animal system is the twelve Earthly Branches, from Rat to Pig, used to reckon years, months, hours and ages in East Asian culture.
Updated 11 Sept 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsThe Heavenly Stems are ten symbols in the Stem-Branch system, used to record days, months, years and hours in East Asian calendrics.
Updated 12 Sept 2026Calendar and astronomy
Knowledge › Eastern › Zodiac animalsThe Shen, Zi and Chen triple harmony forms the Water Group in Chinese astrology. It covers its origins, traits and uses in daily life.
Updated 7 Sept 2026Traditional systems
Knowledge › Eastern › BaZiThiên Ất Quý Nhân in Bát Tự is looked up by day stem or year stem, with two noble branches per stem, no Thìn or Tuất, and schools split on the stem Canh.
Updated 25 Sept 2026Traditional systems
Dictionary › Choosing dates and hoursGiờ hoàng đạo are six two-hour slots a day, based on the twelve Earthly Branches and seen in folk practice as favorable for starting important work.
Updated 12 Sept 2026Traditional systems
Knowledge › Eastern › Zodiac animalsThe Snake, Rooster and Ox form the Metal group in Chinese astrology. This guide covers its origins, each sign's traits, and how the trio works together.
Updated 6 Jul 2026Traditional systems
Knowledge › Eastern › Feng shuiSi Mountain sits in the Xun trigram, belongs to Fire, and spans 112.5 to 127.5 degrees. See how it guides house orientation and five-element interactions.
Updated 31 Aug 2026Traditional systems
Knowledge › Eastern › BaZiThe Hour Pillar is one of the four pillars in BaZi, representing the birth hour and reflecting late-life fortune, children and later relationships.
Updated 10 Jul 2026Traditional systems
Knowledge › Eastern › Vietnamese astrologyThe twelve palaces of a Tử Vi chart get their heavenly stems through the Ngũ Hổ Độn method, counted forward from the Dần palace.
Updated 25 Sept 2026Traditional systems
Knowledge › Eastern › Zodiac animalsExplore the meaning of Liuhe Mao - Tuat in Eastern culture: origin, characteristics, applications in love, career, and feng shui.
Updated 10 Aug 2026Traditional systems
Knowledge › Eastern › Zodiac animalsThe Rat and Goat harm pair in the Six Harms of the 12 zodiac animals: its Earthly Branches origins, how the conflict shows up, and guidance for work and life.
Updated 19 Jun 2026Traditional systems
Dictionary › Stems, branches & zodiac animalsCan Chi pairs the Ten Heavenly Stems with the Twelve Earthly Branches to record years, months, days and hours in the traditional East Asian calendar.
Updated 12 Sept 2026Calendar and astronomy
Knowledge › Eastern › Zodiac animalsThe Horse and Goat Six Harmony pair in Eastern belief: Fire generating Earth, Yin-Yang balance, and harmony in marriage and business cooperation.
Updated 21 Jul 2026Traditional systems
Knowledge › Eastern › Tam ThứcLục Nhâm derives its Three Transmissions through nine gates: tặc khắc, tỷ dụng, thiệp hại, dao khắc, mão tinh, biệt trách, bát chuyên, phục ngâm, phản ngâm.
Updated 14 Oct 2026Traditional systems
Knowledge › Eastern › Feng shuiChen direction in the 24 feng shui directions: its Earth element, Zhen trigram link, and what this direction means for career and wealth.
Updated 22 Aug 2026Traditional systems
Knowledge › Eastern › BaZiKhông vong in Bát Tự marks the two earthly branches missing from each ten-day can chi cycle. How to look it up, and where the old books disagree on it.
Updated 14 Oct 2026Traditional systems
Knowledge › Eastern › BaZiLearn about the Day Pillar in BaZi: how to determine it, the role of the Day Stem and Day Branch, and its significance in destiny analysis.
Updated 5 Jul 2026Traditional systems
Knowledge › Eastern › BaZiThe five Heavenly Stem combinations are Giáp Kỷ, Ất Canh, Bính Tân, Đinh Nhâm and Mậu Quý, plus each pair's transformed element.
Updated 25 Sept 2026Traditional systems
Open dataThe relation between every pair of the 12 earthly branches, 144 rows, in long form with one pair per row.
144 rowsVersion 1.1.1
Open dataThe twelve earthly branches with their zodiac animal, five-element attribution and two-hour window.
12 rowsVersion 1.1.1
Open dataAll 60 stem-branch pairs with their Na Yin five-element attribution and the lunar years they cover between 1924 and 2043.
60 rowsVersion 1.1.1
Open dataThe twelve double-hours of each day across the sixty-day stem-branch cycle, marking which are auspicious. Sixty times twelve is seven hundred and twenty rows, one full cycle.
720 rowsVersion 1.1.1