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Sidereal Year

The time the Sun takes to complete one full circuit relative to the fixed stars; 365.2564 days.

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Aberration (Astronomical)Aspect Pattern DetailsAntisciaAscensional DifferenceAyanamsa CalculationDeclination (Celestial Coordinate)Delta T (Time Correction)Right AscensionEphemeris (Planetary Almanac)Oblique AscensionEcliptic LongitudeObliquity of the EclipticEcliptic LatitudeHouse Cusp CalculationNocturnal ArcGeocentric vs. TopocentricCelestial Coordinate SystemsApparent vs. True PositionDiurnal ArcHarmonic ResonanceJulian Day NumberChaldean OrderContra-AntisciaCosmogramPolar HoroscopesMidpoint StructuresNutationOblique Ascension and Descension (OA/OD)RAMCSpeculum (Planetary Table)Swiss EphemerisTropical YearSemi-ArcLocal Mean TimeSidereal TimeEquation of Time
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