A small beginning to understanding yourself

Your birth moment,
in your own words.

From Four Pillars to detailed readings in seven areas.
Explore your chart and the reasons behind each reading.

No account needed Calculated in your browser

二〇二六 2026 Make space to reflect
on the year ahead. Explore your annual Tojeong code and how it is calculated. 2026 Tojeong

Your birth moment

Start with the details you know.

Birth-date calendar

Enter a date in the calendar selected above.

If you do not know the time, select the option below.

This calculator uses Korean Standard Time (KST, UTC+9). For a birth outside Korea, first convert the solar birth date and time to KST, including any date change. Birth locations and world time zones are not converted automatically.

Time calculation options

The optional adjustment subtracts 30 minutes from the KST time entered. Choose “As entered (KST)” to omit it. About this convention

Your details are calculated in your browser.
A birth record is kept only when you choose to save it.

My Saju chartReady when you are

A story in eight characters.
Shall we read it together?

Enter your birth date to reveal your Four Pillars chart.
If the time is unknown, you can still explore the pillars that can be confirmed.

1Four Pillars

Heavenly Stems and
Earthly Branches at birth

2Five Elements

Each character classified as
Wood, Fire, Earth, Metal or Water

3Detailed readings

Seven areas to explore,
with the basis for each reading

New to Saju? Start with the glossary

No account neededStart with your birth date and time

Save only when you chooseOne birth record in this browser

Clear explanationsSee the terms and calculation details

A helpful place to begin

What is a Day Master?

The character at the centre of a Saju reading.
Get to know the vocabulary, one term at a time.

Saju glossary
How Birth Moment reads a chart

Explore without fixed predictions.

The library provides 10,140 base patterns per language, built around the 60 day pillars. Your chart’s Ten Gods, Five Elements and stem or branch combinations and clashes add context. Explore personality, business, money, relationships, career and teamwork, learning and growth, and everyday rhythm as perspectives for reflection.