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Meaning of solar day

so'lar day'

Pronunciation: [key]
  1. 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.
  2. the period of time from sunrise to sunset.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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