sidereal time

NOUN

time measured by stars

Synonyms

WEAK

sidereal day sidereal month sidereal year

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But one puzzling signal showed up most days at the same sidereal time.

From Scientific American • Aug. 3, 2018

Astronomers prefer sidereal time for planning their observations because in that system, a star rises at the same time every day.

From Textbooks • Oct. 13, 2016

Near the instrument is a clock regulated to sidereal time.

From Sir William Herschel: His Life and Works by Holden, Edward Singleton

The equation of time and the sidereal time of mean noon complete the ephemeris proper.

From Side-Lights on Astronomy and Kindred Fields of Popular Science by Newcomb, Simon

Now let us examine time by the stars - sidereal time.

From Lectures in Navigation by Draper, Ernest Gallaudet