What is a 37-in-1 birth chart, and how is it different from a single system?

It is an online calculator that runs 37 wisdom systems on the same birth data at once: BaZi (Four Pillars, known in Korea as Saju), Zi Wei Dou Shu, Western astrology, Human Design, numerology, Vedic astrology, the Maya calendar, Qi Men Dun Jia, Kabbalah, Plum Blossom I Ching and more. You enter your details once and every chart is calculated together. A single system shows one dimension and carries its own blind spots; cross-reading 37 lets you see where they agree, which is a far stronger signal than any one of them alone.

Is the 37-in-1 chart free? Do I need an account?

The chart calculation is free and unlimited, and you can log in to save it. Enter your date of birth, time of birth and birthplace, and all 37 systems are calculated at once. Written readings are purchased individually when you want one: the Full AI Reading is NT$1,200 (≈US$37), written in English from your complete chart. There is no subscription and no membership plan on the English site — every item is a one-off purchase.

Do I need to know my exact birth time?

It varies by system. Exact time matters for Zi Wei Dou Shu (which starts from the life palace), Western astrology (the ascendant), Human Design (precise gates) and Vedic astrology (the Lagna). Time is not needed for BaZi year, month and day pillars, numerology or several others. Without a birth time you still get roughly 60-70% of the picture. If you can, ask family or check your birth certificate.

What do I actually get from a paid reading?

The Full AI Reading (NT$1,200) cross-reads all 37 systems into one long piece written for you, covering your nature, how you relate, how you work and where the year is heading. It is written in English, delivered by email and kept permanently in your library. Each reading is a one-off purchase.

Is this fortune telling?

We treat these systems as coordinates, not verdicts. Nothing here predicts a fixed fate or tells you what you must do. The point is to show you the patterns, where they come from, and to leave the decision entirely with you. It is for self-understanding, and it is not medical, psychological, legal or financial advice.

Hour Light is a self-understanding platform founded in Taiwan by Ruby Wang, who spent 35 years in the beauty industry before going back to university for a master's degree in health industry management. It brings together 37 chart systems, the 130 original Hour Light Time Cards and a large set of self-awareness quizzes, organised around a four-stage framework called H.O.U.R. The tools run in your browser with nothing to download.

How is this different from ordinary fortune telling?

We use these systems as a set of coordinates and cross-check 37 of them against each other; when several independent traditions point at the same thing, that is the signal worth reading. We do not hand out verdicts about your fate. We show you the pattern, where it comes from, and leave the choice with you.

Which systems does the 37-in-1 engine include?

BaZi (Four Pillars / Saju), Zi Wei Dou Shu, Western astrology, Human Design, Qi Zheng Si Yu, the Maya calendar, numerology, the Hour Light numbers system, Kabbalah, the I Ching, Qi Men Dun Jia, Vedic astrology, the 28 mansions, Plum Blossom numerology, gene keys and more — 37 in total, all calculated from a single form.

Calculating your chart is free and unlimited. Written readings are one-off purchases: the Full AI Reading is NT$1,200, synastry from NT$249, and full manuals from NT$2,600. The English site does not sell any membership or subscription — you only ever pay per item.

37-in-1 Multidimensional Analysis Engine

MULTI-DIMENSIONAL SELF-COGNITION ASSESSMENT

Free 37-in-1 Birth Chart｜Bazi, Zi Wei, Astrology & Human Design in One
Hour Light Coordinate Philosophy · Automatic Chart Engine

The 37-in-1 engine integrates Bazi, Zi Wei Dou Shu, Western astrology and 37 wisdom systems at once,
helping you see your present traits, rhythm and next step from many coordinates of yourself.

37 wisdom systems, all in one gotap to view +

① Four Pillars (Bazi) ② Zi Wei Dou Shu ③ Western Astrology ④ Human Design ⑤ Seven Luminaries ⑥ Maya Calendar ⑦ Numerology ⑧ Hour Light Code ⑨ Life Code ⑩ Da Liu Ren ⑪ Nine Star Ki ⑫ Birthday Colour ⑬ Chiron & Lilith ⑭ Vedic Astrology ⑮ Name Decoding ⑯ Kabbalah ⑰ Xiu Yao Astrology ⑱ Plum Blossom I Ching ⑲ Gene Keys ⑳ Rainbow Numbers ㉑ Cardology ㉒ Celtic Tree Calendar ㉓ Tie Ban Shen Shu ㉔ Tai Yi Shen Shu ㉕ Five Movements & Six Qi ㉖ Korean Saju ㉗ He Luo Li Shu ㉘ I Ching ㉙ Qi Men Dun Jia ㉚ Past Lives ㉛ Nakshatra (Moon Mansion) ㉜ BG5 Business ㉝ Five Tones & Flavours ㉞ Pancha Pakshi (Five Birds) ㉟ Draconic Chart ㊱ Zodiac Energy ㊲ Tojeong Secret

Why 37, and not one

They are not a random stack. They fall into two families that measure different things: Eastern time-series structures — Bazi, Zi Wei Dou Shu, Nine Star Ki and others, which encode where you sit in time — and Western trait instruments — astrology, Human Design, personality scales, which encode disposition.

Reading one family against the other is the whole point. The value is in the heterogeneity: where two unlike methods disagree is usually where something worth looking at sits. A thirty-eighth system that only repeated what we already measure would add length, not information.

Each system is a closed frame: one fixed input — your birth time — returns a coordinate, not a verdict about what will happen. That is what makes the output comparable across systems, and what makes it checkable. We run validity and reliability checks on our own instruments, and we are open to designing and running those checks with academic and industry partners — write to info@hourlightkey.com.

Enter your birth details

Date of birth *

/ /

Time of birth (skip if unsure)

24-hour clock — e.g. 5:45 am is "Hour 5, Min 45"; noon is 12, 9 pm is 21. Leave blank if unsure.

Don't know your birth time — certificate never had one, records gone, family can't recall? Birth time rectification can recover it from your dated life events →

Gender *

Place of birth (affects astrology / Human Design)

Name (for ⑮ Name Decoding & ⑯ Kabbalah Tree of Life — optional)

Latin spelling (edit to match your passport)

The Kabbalah Tree of Life is calculated from your name in Latin letters — please match your passport spelling. A Chinese name is optional.

☆ Calculate for someone else (saved to my chart library · up to 10)

Before reading for someone else, please make sure you have their consent. Hour Light does not collect their name or contact details · only birth data, stored for your own use.
We suggest a nickname (Mum / Partner / bestie Amy).

Vedic school (affects ⑭ Vedic Astrology + ㉛ Nakshatra · the other 35 systems are unaffected)

All calculations run locally on your own device. No data is stored or sent to any server.

Open my Convergence Chart

Free 37-in-1 Birth Chart｜Bazi, Zi Wei, Astrology & Human Design in OneHour Light Coordinate Philosophy · Automatic Chart Engine

Why 37, and not one

Enter your birth details

Free 37-in-1 Birth Chart｜Bazi, Zi Wei, Astrology & Human Design in One
Hour Light Coordinate Philosophy · Automatic Chart Engine