Transparent, browser-based tools

Calculators for traditional Chinese systems

Each calculator serves a different task and explains the method behind its result. Your birth details stay in the browser and are not sent to our server for calculation.

01

Calculate & learn

BaZi Chart Calculator & Interpretation Guide

Generate your birth chart and follow a step-by-step reading order for the Day Master, seasonal elements, Ten Gods, and Luck Pillars.

Full calculator with a chart-reading guide

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02

Four Pillars

BaZi Calculator

Build a complete Four Pillars chart with Day Master, Five Elements, Ten Gods, hidden stems, interactions, and Luck Pillars.

Birth date, time, gender, and place

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03

Feng Shui · Ba Zhai

Kua Number Calculator

Find a Life Gua, trigram, element, East or West group, and eight traditional compass directions with Li Chun boundary handling.

Birth date and traditional formula category

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04

Chinese zodiac · Lunar year

Chinese Zodiac Sign Calculator

Find your animal and Heavenly Stem year element, with exact Lunar New Year boundaries for January and February birthdays.

Gregorian birth date

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Chinese zodiac references

Year charts and calendar dates

Compare lunar-year date ranges or check the 2027 Fire Goat calendar before exploring your full chart.