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

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

Convert this sidereal time interval into a mean time interval by always subtracting for the proper number of hours, minutes and seconds as per Table 8, Bowditch.

From Lectures in Navigation by Draper, Ernest Gallaudet

The driving screw having been thrown out of gear, the circle is turned until the outer vernier indicates the sidereal time, whereupon the driving screw is thrown into gear again.

From Photographs of Nebul? and Clusters Made with the Crossley Reflector by Keeler, James Edward