✦ Hand-picked tools
Best Calculators
The best free and affordable calculators and natal chart software for BaZi, Feng Shui, Qi Men Dun Jia, Vedic and Western astrology.
Our own calculator
Marinapolis® Art Universal Calculator
Best dates, Luo Pan directions and Flying Star combinations in one place.
Open the calculator →Calculators by System
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BaZi · Four Pillars
Western & Vedic Astrology
Feng Shui & Qi Men Dun Jia
These are independent sites. Some offer free charts; others are paid software.
Calculate Your Four Pillars Here
Use the Marinapolis® Four Pillars calculator below for a BaZi chart with true solar time.

