| Sagittarius | SwissEphemeris.Internal, SwissEphemeris |
| Saturn | SwissEphemeris.Internal, SwissEphemeris |
| saturn | Foreign.SwissEphemeris |
| Scorpio | SwissEphemeris.Internal, SwissEphemeris |
| setEphemeridesPath | SwissEphemeris |
| setNoEphemeridesPath | SwissEphemeris |
| Shatabhisha | SwissEphemeris.Internal, SwissEphemeris |
| SiderealTime | |
| 1 (Type/Class) | SwissEphemeris.Internal, SwissEphemeris |
| 2 (Data Constructor) | SwissEphemeris.Internal, SwissEphemeris |
| specialEclNut | Foreign.SwissEphemeris |
| speed | Foreign.SwissEphemeris |
| SplitDegFlag | |
| 1 (Type/Class) | Foreign.SwissEphemeris |
| 2 (Data Constructor) | Foreign.SwissEphemeris |
| splitDegrees | SwissEphemeris |
| SplitDegreesOption | SwissEphemeris.Internal, SwissEphemeris |
| splitDegreesZodiac | SwissEphemeris |
| splitKeepDeg | Foreign.SwissEphemeris |
| splitKeepSign | Foreign.SwissEphemeris |
| SplitNakshatra | SwissEphemeris.Internal, SwissEphemeris |
| splitNakshatra | Foreign.SwissEphemeris |
| splitOptionToFlag | SwissEphemeris.Internal |
| splitRoundDeg | Foreign.SwissEphemeris |
| splitRoundMin | Foreign.SwissEphemeris |
| splitRoundSec | Foreign.SwissEphemeris |
| SplitZodiacal | SwissEphemeris.Internal, SwissEphemeris |
| splitZodiacal | Foreign.SwissEphemeris |
| Sravana | SwissEphemeris.Internal, SwissEphemeris |
| Sun | SwissEphemeris.Internal, SwissEphemeris |
| sun | Foreign.SwissEphemeris |
| Swati | SwissEphemeris.Internal, SwissEphemeris |
| swissEph | Foreign.SwissEphemeris |
| systemUsed | SwissEphemeris.Internal, SwissEphemeris |