Dark still water before mist-covered wooded hills
YAOFree BaZi / Four Pillars

Find your Day Master and Four Pillars — free.

Understand your Four Pillars, Day Master, and visible Five Elements in plain English.

Explore your Birth Pattern

The language of change.A place to observe, reflect, and choose.

YAO takes its name from yao—a line in the I Ching.
A small mark within a larger pattern.
A place where change becomes visible. A line belongs to a hexagram: its place and the lines around it can open more than one way to read a situation.

A Birth Pattern begins with the recorded time of your birth.
Four Pillars place that moment in the Chinese calendar;
the visible Five Elements offer one way to notice its structure. Your free chart includes Hidden Stems, Ten Gods and Luck Pillars, with separate element occurrence views. It does not assign strength or favorable elements.

The I Ching begins elsewhere: with a question in the present.
Six lines, cast with three coins, open a different perspective
on what may be changing now.

Neither practice determines who you are or what will happen.
YAO offers traditional symbols, clear methods,
and room for your own judgment. These are cultural and interpretive traditions, not scientifically established personality tests or a way to predict specific events. Your lived experience stays central.

Start with a free Birth Pattern or ask the I Ching.
Keep a note in your Journal when a reflection is worth carrying.
The choice of what it means remains yours.

Birth Pattern is a limited Beta reading. Learn the scope and uncertainties in Method.

Journal — Save a reflection

Birth Pattern

Four Pillars and five visible elements
from a recorded moment.

A question in the present

I Ching

Hold a question.
Cast six lines with three coins.
Explore the primary and changing hexagrams
as a way to reflect on your situation.

I CHING
Ask for free→
A ripple and one leaf on dark waterThree unmarked worn bronze coins
A closer look at a Birth Pattern

Personal Reading

Your Day Master, Ten Gods and current cycle
connected in clear English.
Explore your free Birth Pattern, then preview
how a Personal Reading works before deciding.

US$19 · ONE-TIMELimited personal preview · Complete fictional samples

READING
See reading→
Three panels of Alex's fictional YAO Personal Reading with visible facts and interpretationLight and shadow marking time on wood
A living library

The 64 Hexagrams

Explore the King Wen sequence.
Begin with a few places to pause.

LIBRARY
Explore all 64→