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Your Four Pillars, computed in the open

True solar time, worldwide birth places, and an explicit unknown-hour mode. Every convention behind your chart is declared publicly — nothing is computed in secret.

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Mainland China 1986–1991 DST is handled automatically — leave unchecked for China births.

Your chart

You left the birth hour unknown, so this is an explicit three-pillar chart. We never guess a missing hour — the hour pillar is simply absent, and everything else is exact. What still computes without it →

Browse the reference library

Every enumerable component of ba zi has its own page here — each one computed by the same engine and checkable item by item, none of it a personality table.

Calendar pages: 2026, the year's structure · 2027, the year's structure. Every lichun instant on them comes from the engine's lichun table and can be checked against any almanac.