BACK TO solar-day
sidereal day vs. solar day
noun
- the interval between two successive passages of the vernal equinox over the meridian, being about four minutes shorter than a mean solar day.
noun
- 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.
- the period of time from sunrise to sunset.