| Gemini | SwissEphemeris.Internal, SwissEphemeris |
| GeographicPosition | |
| 1 (Type/Class) | SwissEphemeris.Internal, SwissEphemeris |
| 2 (Data Constructor) | SwissEphemeris.Internal, SwissEphemeris |
| geoLat | SwissEphemeris.Internal, SwissEphemeris |
| geoLng | SwissEphemeris.Internal, SwissEphemeris |
| getConversionResult | SwissEphemeris.Time, SwissEphemeris |
| getEclipticLongitude | SwissEphemeris.Internal, SwissEphemeris |
| getJulianDay | SwissEphemeris.Time, SwissEphemeris |
| getSiderealTime | SwissEphemeris.Time, SwissEphemeris |
| GlyphInfo | |
| 1 (Type/Class) | SwissEphemeris.ChartUtils |
| 2 (Data Constructor) | SwissEphemeris.ChartUtils |
| glyphPlanet | SwissEphemeris.ChartUtils |
| glyphScale | SwissEphemeris.ChartUtils |
| glyphSize | SwissEphemeris.ChartUtils |
| gravGroup | SwissEphemeris.ChartUtils |
| gravGroup2 | SwissEphemeris.ChartUtils |
| gravGroup2Easy | SwissEphemeris.ChartUtils |
| gravGroupEasy | SwissEphemeris.ChartUtils |
| GravityObject | |
| 1 (Type/Class) | Foreign.SwissEphemerisExtras |
| 2 (Data Constructor) | Foreign.SwissEphemerisExtras |
| GregFlag | |
| 1 (Type/Class) | Foreign.SwissEphemeris |
| 2 (Data Constructor) | Foreign.SwissEphemeris |
| gregorian | Foreign.SwissEphemeris |
| GregorianCal | SwissEphemeris.Internal |
| gregorianFromFakeJulianDayTT | SwissEphemeris.Time, SwissEphemeris |
| gregorianFromJulianDayUT | SwissEphemeris.Time, SwissEphemeris |
| gregorianToFakeJulianDayTT | SwissEphemeris.Time, SwissEphemeris |
| gregorianToJulianDayUT | SwissEphemeris.Time, SwissEphemeris |