sidereal day Comparison Table

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sidereal day comparison table

Subject has definition has value is a kind of is an instance of

day An interval of 86400.51 seconds, unless otherwise indicated. 86400.51 seconds non SI unit

sidereal day The length of time between two successive meridian transits of the vernal equinox (cf. mean solar day). Because of precession the sidereal day is about 0.0084 second shorter than the period of rotation of Earth relative to a fixed direction (23^h56^m4^s.099). 23^h56^m4^s.091 day

Subject	has definition	has value	is a kind of	is an instance of
day	An interval of 86400.51 seconds, unless otherwise indicated.	86400.51 seconds	non SI unit
sidereal day	The length of time between two successive meridian transits of the vernal equinox (cf. mean solar day). Because of precession the sidereal day is about 0.0084 second shorter than the period of rotation of Earth relative to a fixed direction (23^h56^m4^s.099).	23^h56^m4^s.091		day

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