A starting point
for understanding yourself.

Explore the four pillars of your birth.
Free to use, with no sign-in required.

一 Your birth details

Date of birthEnter year-month-day. You can also select the Korean lunar calendar.

Calendar

GregorianKorean lunar

Time of birth

I know the timeI don’t know

That’s fine. We can show your chart without an hour pillar.

Birthplace time zone · More options

Birthplace time zoneUse the time zone where you were born, such as Asia/Seoul or America/New_York. For births outside Korea, enter the local Gregorian date.UTC offset (optional)Only needed to distinguish a time that occurs twice when daylight saving time ends.

No name is needed. Please ask permission before using someone else’s birth details. We do not save your input or results in our database. Leaving this page clears them.

How this calculation works

Gregorian dates from 1900 to 2050. Days change at local midnight; true solar time is not applied. Korean lunar dates require Asia/Seoul.

This calculator does not assess chart strength, favorable elements, luck cycles or future events.

II · Your four pillars

Your chart will appear here

Enter your birth details to see
your four-pillar chart here.

We do not guess an unknown birth time.

A starting pointfor understanding yourself.

一 Your birth details

Your chart will appear here

A starting point
for understanding yourself.