What Does epoch sign in Mean?
Epoch compared to equinoxDate-references for coordinate systemsEpochs and durations of validityChanging the typical equinox and epochSpecifying an epoch or equinoxBesselian yearsJulian a long time and J2000Epoch of your daySee alsoReferencesNotesCitationsSourcesFurther readingExternal one-way linksThese representation of your time is principally fo