libTheSky is a LIBrary to compute the positions of Sun, Moon, planets and more in The Sky. libTheSky is available for free under the conditions of the EUPL v.1.2.

Copyright © 2002-2025 Marc van der Sluys - Nikhef/Utrecht University marc.vandersluys.nl

See also

These pages contain the documentation for libTheSky, created by Doxygen.
For the libTheSky home page, see: https://libthesky.sf.net