House Cusps
housesRead-onlyIdempotent
Calculate house cusps, ascendant, and MC for any date, time, and location using Placidus, Koch, Whole Sign, Equal, and other systems. Automatically handles high-latitude quadrant systems.
Instructions
Standalone house calculation — 12 cusps + ascendant + MC + ARMC + vertex + co-asc + polar-asc. Supports Placidus, Koch, Regiomontanus, Campanus, Topocentric, Whole Sign, Equal, Porphyry, Morinus etc. Auto-fallback warning on |lat|>66.5° quadrant systems.
[Group: Calendar & Cycles] [Cost: 10 credits (Tier 1)]
Example request body: {"date":"1926-06-01","time":"09:30:00","timezoneOffset":-8,"latitude":34.0522,"longitude":-118.2437,"houseSystem":"P"}
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| date | Yes | Birth date YYYY-MM-DD | |
| time | Yes | Birth time HH:mm:ss (local) | |
| timezoneOffset | No | UTC offset in hours (e.g. 3 for UTC+3, -5 for EST) | |
| latitude | No | Birth latitude in decimal degrees | |
| longitude | No | Birth longitude in decimal degrees | |
| houseSystem | No | House system: P=Placidus (default), K=Koch, W=Whole Sign, E=Equal | |
| city | No | City name (display only) |