Daily Fortune by Zodiac Animal & Star Sign
Composes one day’s reading for a zodiac animal or star sign from the day’s own 일진 and the traditional temperament of the sign. Seeded from the date, so it is the same all day and refreshing does not reroll it.
Every day has its own 간지 — its 일진 — and today’s sun is in a particular sign. Both are calendar facts. This page computes them, works out the exact relation between the day and your 띠 or star sign, and then shows what the tradition says about a day of that shape. The reading is seeded from your sign and the date, so it is the same all day and reloading will not reroll it.
The day’s 일진 and the sun’s position are calendar facts and are exact. Everything written about them here is folk and classical tradition, quoted with its source. It is for fun. It has no predictive basis, and it says nothing about you that was not already in a date.
Who, and when
What is actually computed
오늘의 일진
무자 (戊子)
The day’s own 간지 — a calendar fact, the same for everyone
Your branch
dragon · 진(辰)
Its 본기 stem
무(戊) · 토
The stem hidden in the branch, which is what 십신 is read from
Day stem against yours
비견 · 비겁
Day branch against yours
삼합
The day’s element
토
무(戊)
Colour of the day
황색
yellow
Direction
중앙
Numbers
5 · 10
The 하도 generation-and-completion pair for the element
Every value above is read off a fixed table or computed from the calendar. None of it is drawn at random, and none of it depends on who is reading.
What the tradition says about a day of that shape
The day stem and the reader’s element match. 비겁 days are described in the texts as ones where you are among your own kind, with the ambiguity that implies about whether the work is shared or split.
Traditionally the strongest of the harmonious relations. 『삼명통회』 describes the three branches four apart as pulling toward one element together, and 만세력 practice has always read a 삼합 pair as people who end up wanting the same thing without having to agree to.
A 토 day. Earth sits at the centre of the five rather than at a compass point, and the tradition reads it as what mediates between the other four.
The sign itself
The dragon belongs to 토 and is the one animal of the twelve that is not an animal. Its associations are with rain, with rank, and with visibility.
The arithmetic above put today in the 비겁 register. The three lines written for that register are in one file; the date and your sign choose which of the three you see, and that is the only place chance enters this page.
This reading is a function of your sign and today’s date, and nothing else. Reloading will not change it; it changes at midnight. A fortune that rerolls when you press F5 is a random-text generator with a date printed on it.
Where the readings come from
- 『삼명통회(三命通會)』, 만민영, 1578 — the 십이지 associations and the 합·충 tables.
- 『자평진전(子平眞詮)』, 심효첨, 1776 — the 십신 categories the day’s register is named from.
- 『오행대의(五行大義)』, 소길, Sui (c. 600) — 상생·상극, and the 오방색 / 오방위 assignments.
- The 하도(河圖) generation-and-completion number pairs — 1·6 water, 2·7 fire, 3·8 wood, 4·9 metal, 5·10 earth — which is where “lucky number” tables come from.
- 『동국세시기(東國歲時記)』, 홍석모, 1849 — the Korean 십이지일 customs the animal associations are carried in.
- Ptolemy, *Tetrabiblos* (2nd c.) — the triplicities, the qualities, and the five aspects. Note that precession has moved the constellations off the signs named after them by about a sign since it was written; the signs here are tropical, measured from the equinox, which is what the text itself uses.
- 『삼명통회(三命通會)』, 만민영, 1578 — the 합·충·형·해·파 tables as every 만세력 prints them.
- 『연해자평(淵海子平)』, 서승 편, Ming — 천간합 and the reading of 충.
- 『오행대의(五行大義)』, 소길, Sui (c. 600) — 상생 and 상극.
- 원진 as a 띠-pair table is Korean 만세력 practice and folk transmission; the classical term is older than the table people know.
The 일진 and the 절기 behind it are the same ones the 사주팔자 page uses, and two people’s branches are compared the same way on the 궁합 page.
How to use it
Pick your 띠 or your star sign
The 띠 can be picked from a birth year, but note that the animal a 만세력 gives turns at 입춘 rather than at New Year — the 띠·별자리 page shows all three boundaries if a January birthday is in question.
Read the computed panel first
The day’s 일진, your branch’s hidden stem, the 십신 between them and the 지지 relation are all printed. That panel is arithmetic — no part of it is drawn at random — and it is what decides which register the sentence below comes from.
Move the date and watch it follow
Yesterday and tomorrow are one button away. That is the quickest way to see that the reading tracks the 일진 rather than a die: the register changes when the day’s stem changes, not when you reload.
Common questions
Why does it not change when I refresh?
Because it is not supposed to. The reading is a function of your sign and the date and nothing else. A fortune that changes on reload is a random-text generator with a date printed on it, and everyone who reloads twice finds that out.
Where does the text come from?
A bank written for this page, one register per 십신 group and one per Ptolemaic aspect, three lines each, with the classical sources named at the bottom of the reading. No model is involved anywhere in this suite (docs/office-all-boundary.md), and nothing is fetched.
Why does the star-sign mode not use 오행?
Because grafting Chinese five-element relations onto tropical signs would be a system nobody wrote. The Western tradition has its own exact machinery — the sun’s position today, and the Ptolemaic aspect between that sign and yours — so the star-sign mode uses that instead.
Does any of it predict anything?
No. The 일진 and the sun’s position are facts; everything written about them is folk and classical tradition. There is no evidence that the day’s 간지 bears on anyone’s day, and this page does not claim there is.
Feed it from
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Next
These accept what this tool produces, so the result can go straight in.
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Encodes and decodes Base64 and Base64URL for text or files, handling UTF-8 correctly.