ORBIT · development test page
Calculation lab
A plain page for checking that ORBIT calculates real charts correctly, before any design is built on top. Enter birth details, or load a published example.
Birth details
Reference checks
Compares ORBIT’s results with published charts from Astrotheme and Astro-Charts, plus tricky time-zone cases. A result passes if it is within a few arcminutes (1° = 60′).