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Sidereal Day

nounverified·updated May 18, 2026

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

MWE

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
day
plural
Sidereal Days
possessive
Sidereal Day's
pluralpossessive
Sidereal Days'