EPOCH SIGN IN OPTIONS

Epoch compared to equinoxDate-references for coordinate systemsEpochs and durations of validityChanging the normal equinox and epochSpecifying an epoch or equinoxBesselian yearsJulian several years and J2000Epoch on the daySee alsoReferencesNotesCitationsSourcesFurther readingExternal hyperlinksThis sort of illustration of time is mainly for inner

An example of how this will work: if a star's placement is measured by somebody today, they then use a standard transformation to obtain the posture expressed with regard to the common reference body of J2000, and it is often then this J2000 position and that is shared with Many others.The key use of astronomical portions laid out in by doing this