conversion-routines
There are 2 repositories under conversion-routines topic.
Jvinniec/CppEphem
CppEphem is a self-contained ephemeris package written in C++. It allows computation of celestial coordinate and date conversions and planet ephemerides by leveraging the Standards of Fundamental Astronomy (SOFA) software (included in the repo). It is C++11 compatible.
Louis-Aime/Milesian-calendar
Master the seasons with the Milesian calendar. Conversion and display JS routines.