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Free Birth Chart Calculator

Your four pillars of destiny — the Korean saju method, known as bazi in Chinese astrology. All eight characters, calculated from the traditional manseryeok calendar and corrected for true solar time. Free, no email, no signup.

Five-element balance

You have the chart. You do not yet have the reading.

Eight characters is what a practitioner starts with, not what they tell you. The free reading takes these same pillars and says what they mean for your work, your relationships and the year in front of you.

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What is a birth chart in the four pillars system?

Four pairs of characters — one pair each for the year, month, day and hour you were born. Eight characters in total, which is why Koreans call it saju palja, "four pillars, eight characters." Each character carries one of the five elements, and the mix of those eight is what actually gets read.

How is this different from a Western birth chart?

A Western chart is usually anchored on your sun sign, which is decided by the month you were born. This system adds the day and the hour, and treats the stem over your day of birth — the day master — as the centre of the chart. Everything else is read against it.

Why does the birth hour matter so much?

The hour is a full quarter of the chart, and it is the part a sun sign never asks for. If you do not know yours, tick the box and the chart is read from three pillars instead of four.

Why does my saju year sometimes differ from my birth year?

The saju year begins at ipchun, the start of spring in early February, not on 1 January. Anyone born in January or early February belongs to the previous saju year. Month boundaries follow solar terms in the same way, which is the most common thing cheaper calculators get wrong.

Is this the same calculation as the paid reading?

Yes. This page runs the same engine, including true solar time and historical time-zone changes.