Almanac & sky · NUMORA
Natal Houses Calculator
Equal vs whole sign.
Open interactive calculatorHow to use
Equal, whole, Porphyry, Placidus, Koch, Campanus.
Formula
Placidus: semi-arc iteration; high latitude → Porphyry
FAQ
Is this Natal Houses 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?
Equal, whole, Porphyry, Placidus, Koch, Campanus.
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