- Dictionary
- 51Թ comparison: sidereal vs. solar day
sidereal vs. solar day
adjective
Astronomy.
determined by or from the stars.
sidereal time.
of or relating to the stars.
noun
Astronomy.the time interval between two successive transits by the sun of the meridian directly opposite that of the observer; the 24-hour interval from one midnight to the following midnight.
Law.the period of time from sunrise to sunset.
