Almanac & sky · NUMORA

Liuyao Calculator

Taian / Butsumetsu. Japanese rokuyo.

How to use

Julian day mod 6.

Formula

FAQ

Is this Liuyao calculator accurate?

The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.

Do I need an account?

No. Calculations run in your browser. Recents can stay on this device.

What inputs do I need?

Julian day mod 6.

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