Thủy Hỏa Ký Tế (No. 63) is the only hexagram with all six lines in correct position and paired. It teaches small success and a good start but chaotic end.
A clear reference guide to all eight trigrams of the I Ching: their meaning, element, family member, and direction according to the Later Heaven arrangement.
Hexagram 56 Hỏa Sơn Lữ concerns the way of the wanderer in a strange land: small success, staying upright, humility brings peace, arrogance invites disaster.
Read love and marriage on a Tử Vi chart starting from the Phu Thê palace, then Quan Lộc, Thiên Di, Phúc Đức and Tài Bạch, with the love stars read in context.
Fu Yin, Fan Yin, He Shi, Lian Zhu San Ban Gua and Qi Xing Da Jie: how each forms on the Xuan Kong Flying Star chart and why it is auspicious or inauspicious.
Lục Nhâm lesson types (khóa thể) name each chart, set by the four lessons, three transmissions and stem-branch ties; a chart is named by combining several.
Shan Ze Sun, hexagram 41 of the I Ching, holds that what is below decreases so what is above gains. Its Judgment, Image and six line texts are covered here.
The story of Lạc Long Quân and Âu Cơ, the sack of one hundred eggs, as recorded in Đại Việt sử ký toàn thư and Đại Nam quốc sử diễn ca, and what is myth.
Bát Trạch derives a personal trigram from birth year and gender, then matches it to eight directions to choose a desk orientation, with measuring tips.
Hexagram 58, Dui (The Joyous), teaches the way of harmonious joy: joy that is sincere brings success, while joy that only pleases others soon turns crooked.
In the I Ching the Li trigram stands for the sun and Kan for the moon. Where the classic texts say so, how commentators explain it, and how schools differ.
Hexagram 52 Thuần Cấn in the I Ching teaches the way of knowing when to stop: the judgment on 'stopping at the back' and the six line texts from toe to cheek.
A Western Mekong Delta đám giỗ spans tiên thường, chánh giỗ and hậu thường. Hosting guests and giving take-home portions show a compassionate way of life.
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.