What Is Daeun (大運), Your 10-Year Luck Cycle?
Your birth chart is fixed, but your fortune is not static. Saju maps how it flows over time in ten-year periods called Daeun (대운). This is what lets Saju answer not just who you are, but when things are likely to open up or tighten — the dimension Western sun-sign astrology has no clean equivalent for.
How Daeun works
Daeun unfolds in ten-year pillars derived from your Month Pillar, moving forward or backward depending on your sex and the polarity of your birth year. Each pillar colors an entire decade of your life with a particular elemental flavor.
Finding your golden era
Some decades align beautifully with your chart, supplying an element you need; others bring friction. Your golden era is the stretch where your natural strengths and the incoming energy line up — the time to make bold moves.
Why timing beats the chart alone
A strong chart in a poor Daeun can underperform, while a modest chart in a supportive Daeun can flourish. This is why two people with similar charts live very different lives: they are on different timelines.
Annual fortune on top
Inside each ten-year Daeun, the yearly energy (세운, Sewun) adds finer texture — good years and caution years within the larger cycle.
How to use this page
Enter your birth details above to see your Daeun timeline, your peak years highlighted, and exactly where you stand in the cycle right now.