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Your birth details

Three fields, then your blueprint. Nothing is uploaded — the whole calculation happens on this device, and you can clear it any time by reloading the page.

Date of birth

Gregorian calendar. WuWay converts it internally — you don't need to know the lunar date.

Time of birth I don't know my birth time
We'll use 12:00 local time and mark the result as approximate.

Local clock time as it was recorded where you were born — including any daylight saving that applied that day. We handle the correction.

City of birth

Used to determine your timezone and exact longitude. Birth city matters — it can shift your Hour pillar.

Free. No account. Nothing leaves your browser.

Why we ask for the exact time. Two hours of the day map to one of twelve two-hour periods, and your birth time decides which. If your birth time sits within 20 minutes of a boundary, we'll tell you on the result page so you know to hold it loosely.