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Learn Korean Saju: Four Pillars (BaZi) Explained in Plain English
Saju (四柱, "four pillars") reads the year, month, day and hour of your birth as eight characters. These guides explain each idea our reports use — from the five elements to luck pillars and compatibility — with the same tables our engine calculates with.
Latest articles
Lucky colors for 2027 by your useful element
Which colors to lean on in the Fire Goat year, the 2027 months that bring each element, and a checker
Travelling Horse star: moves, travel and change
Lookup table, the years and months it arrives in 2027, and a checker
The most common birth months, and the most common BaZi months
Official US and Korean birth counts turned into BaZi months by 1,461 days of calendar
No Wealth star in your BaZi chart? What it means
14.7% of 30,240 charts have none, and when a Wealth luck pillar arrives
Signs of wealth in your BaZi chart for 2027
Five signs counted across 30,240 charts, and who gets a Wealth star in 2027
Why BaZi calculators disagree
Three settings change the chart for up to 55.1% of births. Check yours
Korean saju vs. Chinese BaZi vs. Western astrology
Same chart or different? A Korean–pinyin lookup and 2026 dates side by side
How to read a BaZi chart
Seven steps on one worked example, plus a chart reader for your birthday
Do Dragon years really bring baby booms?
Birth data from Korea and Taiwan, plus 4,368 charts counted per year
Peach Blossom star: find yours
Lookup table by zodiac animal, the years it arrives, and a checker
Day Master compatibility chart
All 100 Day Master pairings in one grid, plus a pair checker
Born during daylight saving time?
How often the BaZi hour pillar changes, year by year, and a clock-to-hour table
The building blocks
The five elements
Wood, Fire, Earth, Metal, Water and their cycles
The ten heavenly stems
Jia to Gui and the Day Master personalities
The twelve earthly branches
Signs, hidden stems and the three groups
The ten Day Masters
Your core character in saju
The 60 day pillars
Your Day Master and the branch it sits on
Reading a chart
The ten gods
What every character in your chart is to you
Strong or weak chart
How much support your Day Master receives
The useful element
The element your chart needs most
Chart structure
Your month branch and where you are put to use
The twelve life stages
Your Day Master's strength as a life cycle
Symbolic stars
Peach Blossom, Travelling Horse, Heavenly Noble