Luck Pillars (Da Yun) Calculator
Calculates the 10-year life cycles (Luck Pillars) that interact with the natal chart over a lifetime.
Select your birth year
Select your birth month
Select your birth day
Select your gender
What are Luck Pillars (Da Yun)?
Luck Pillars (大运 Da Yun) are 10-year cycles in BaZi astrology that show how your destiny unfolds throughout your lifetime. Think of them as chapters in your life story, each lasting 10 years, that interact with your natal chart (your birth chart) to create different opportunities, challenges, and themes at different stages of your life.
Unlike your natal chart which never changes, your Luck Pillars move forward or backward in cycles, starting from your Month Pillar. Each Luck Pillar influences how the energies in your natal chart express themselves, bringing certain aspects of your personality and destiny into focus during that 10-year period.
10-Year Cycles
Each Luck Pillar lasts exactly 10 years, creating a continuous flow of changing energies throughout your lifetime. These cycles show when certain opportunities or challenges are most likely to appear.
Direction Matters
Luck Pillars move forward or backward depending on your gender and whether you were born in a Yang or Yin year. This direction determines how your life cycles progress through the 60-year GanZhi cycle.
Fun Fact
The first Luck Pillar doesn't start at birth - it begins at a calculated age based on how many days are between your birth date and the nearest Solar Term (Jie Qi). This start age is calculated by dividing those days by 3, giving you the exact age when your first 10-year cycle begins.
Understanding Your Luck Pillars
Your Luck Pillars work together with your natal chart to shape your life experiences. Here's how they function:
Starting Point
Luck Pillars begin from your Month Pillar in your natal chart. The sequence then moves forward or backward through the 60-year GanZhi cycle, with each pillar incrementing or decrementing by one position.
Direction Logic
If you're Male and born in a Yang year, or Female and born in a Yin year, your Luck Pillars move forward. Otherwise, they move backward. This creates different life patterns for different people.
Life Themes
Each 10-year Luck Pillar brings specific themes and energies. Some periods might favor career growth, while others focus on relationships, health, or personal development. The interaction with your natal chart determines what manifests.
Timing is Everything
The start age of your first Luck Pillar is precisely calculated from your birth date and the nearest Solar Term. This means your life cycles begin at a specific, meaningful moment in your development.
How Can You Use This?
- Understand the timing of major life events and transitions
- Plan important decisions based on favorable or challenging periods
- See how your personal energies evolve throughout your lifetime
- Gain insight into career, relationship, and health cycles