sidereal time
noun
1
: time based on the sidereal day
2
: the hour angle of the vernal equinox at a place
Examples of sidereal time in a Sentence
Recent Examples on the Web
The watch has 12 complications, including a cathedral minute repeater, tourbillon, perpetual calendar, sidereal time and sky chart.
—
Carol Besler, Robb Report, 11 Dec. 2023
The space traveler is a multi-complication pocket watch, with double-wheel escapement, mean solar and sidereal time, an annual calendar, age and phase of the moon and the equation of time.
—Carol Besler, Robb Report, 4 Jan. 2023
The pink gold masterpiece includes 12 complications, including a cathedral minute repeater, tourbillon, perpetual calendar with retrograde date, moon age and angular motion, sidereal time and sky chart.
—Carol Besler, Robb Report, 5 Jan. 2023
The sky chart is a disk that rotates at a speed of sidereal time (23 hours, 56 minutes and 4 seconds).
—Roberta Naas, Forbes, 7 Apr. 2021
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Carol Besler, Robb Report, 11 Dec. 2023
The space traveler is a multi-complication pocket watch, with double-wheel escapement, mean solar and sidereal time, an annual calendar, age and phase of the moon and the equation of time.
—Carol Besler, Robb Report, 4 Jan. 2023
The pink gold masterpiece includes 12 complications, including a cathedral minute repeater, tourbillon, perpetual calendar with retrograde date, moon age and angular motion, sidereal time and sky chart.
—Carol Besler, Robb Report, 5 Jan. 2023
The sky chart is a disk that rotates at a speed of sidereal time (23 hours, 56 minutes and 4 seconds).
—Roberta Naas, Forbes, 7 Apr. 2021
Cite this Entry
“Sidereal time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidereal%20time. Accessed 24 May. 2025.
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