
The journal · How it works, and what it cannot do
Systems compared
Sidereal, tropical, Vedic, Chinese, Korean, Thai. What each one measures, and why they disagree about your sign.
6 articles.
Sidereal vs Western astrology: why your sign changes
Western astrology uses the tropical zodiac, which starts at the March equinox and is tied to Earth's seasons.
5 min read
Which is more accurate: Vedic or Western astrology?
Neither has been shown to be more accurate, because neither makes predictions specific enough to be scored against outcomes at scale.
4 min read
Is Chinese or Western astrology more accurate?
Neither is more accurate, and they are less comparable than people assume. You are usually comparing a whole chart with a twelfth of one.
4 min read
Korean astrology: what saju is
Korean four-pillars astrology: the same eight characters as BaZi, a different tradition built on top, and different questions asked of it.
4 min read
Thai astrology: the day you were born matters most
Indian roots, Buddhist framing, and a system where the weekday you were born on follows you for life.
9 min read
Qi Zheng Si Yu (七政四余): the Chinese astrology that uses real planets
BaZi and Zi Wei never look at the sky. Qi Zheng Si Yu does: the Sun, Moon and five planets in the 28 lunar mansions, plus four calculated points. The Chinese cousin of the horoscope, and where it came from.
6 min read
More in how it works, and what it cannot do
How astrology works · 9What a chart cannot do · 15Finding good astrology · 24All sections

