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Divination System Comparisons
Structured side-by-side comparisons of major divination systems. Each page answers a clear question: how do these two differ, where do they overlap, and when should you reach for one vs the other?
Saju vs BaZi — same math, different tradition
Saju (Korean) and BaZi (Chinese) are the same divination system mathematically — both derive four pillars of stem-branch characters from a birth moment and interpret them through Five Element theory. The differences are cultural, sub-systemic, and terminological rather than computational.
SajuvsBaZiZi Wei Dou Shu vs BaZi — palace-centric vs element-centric
BaZi and Zi Wei Dou Shu are two major Chinese natal astrology systems that a single practitioner often uses together. BaZi answers "what is this person made of?" through Five Element composition. Dou Shu answers "where does their energy concentrate?" through fourteen stars placed in twelve life palaces.
Zi Wei Dou ShuvsBaZiWestern vs Vedic Astrology — tropical vs sidereal, the 24° question
The core difference between Western and Vedic astrology is the zodiac frame. Western astrology uses the tropical zodiac, anchored to the vernal equinox. Vedic astrology (Jyotish) uses the sidereal zodiac, anchored to the actual fixed stars. The two frames now differ by about 24°, which means a person commonly has two different Sun signs depending on which system is used.
Western AstrologyvsVedic Astrology