sidereal day

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Related to sidereal day: synodic month
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  • noun

Synonyms for sidereal day

the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

References in periodicals archive ?
One natural time scale is the sidereal day, a timescale that includes effects due to diurnal variations of the ionosphere and diurnal temperature variations.
Jockey Gerald Avranche steered the favourite, owned by Al Nasseriyeh and trained by Alan Smith, past Danish Express while Thaqib was third and Sidereal Day fourth.
Therefore, the solar day is approximately 4 minutes longer than the sidereal day.
But Muthaqaf, owned by Fawzi Abdulla Nass, trained by Fawzi Nass and to be ridden by M O Callaghan, is expected to beat Thaqib and Sidereal Day for the top prize.