Free BaZi calculator

Calculate your Four Pillars with the correct local birth time

Choose the city where you were born and enter the local time shown on the birth record. Historical time-zone and daylight-saving rules are checked before the full Korean-style free result opens in English.

Enter birth details See what is included

Hongsimdang paper artwork of a burgundy tree on layered gold hills

The free result includes the Four Pillars, Day Master, Five Element and role-balance visuals, 10-year luck cycles, and selectable annual and monthly flow. Unknown-time sections are omitted or marked as limited rather than guessed.

Birth details

Enter the local date and time shown on the birth record. We apply the city's historical time zone and daylight saving rules.

CountryState / region

City searchCity

Location data: Countries States Cities Database (ODbL 1.0).

Date of birth

MonthDayYear

Month / Day / Year

Time of birth

I don't know my birth timeYou can continue, but hour-based Saju and house-based astrology details will be limited.

If clocks changed at that time, we will ask which occurrence matches the birth record.

Chart settings

Use the Gregorian date on the birth record. This free calculator does not save your birth details.