Meaning Of The Word Sidereal day

Real Dictionary

What's the definition of Sidereal day? Find Sidereal day meanings, definitions and more at the Real Dictionary online.

Sidereal day Meaning

Sidereal day Definition
Sidereal day Definition

What's The Definition Of Sidereal day?

sidereal day in American English
the time between two successive passages of the vernal equinox across the meridian: it measures one rotation of the earth and equals 23 hours, 56 minutes, 4.1 seconds of mean solar time
noun: the interval between two successive passages of the vernal equinox over the meridian, being about four minutes shorter than a mean solar day

sidereal day in British English
noun

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