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abstraction > mathematical concept > unit > non SI unit > day > mean solar day |
mean solar day comparison table |
Subject | has definition | has value | is a kind of | is an instance of |
---|---|---|---|---|
day | An interval of 86400.51 seconds, unless otherwise indicated. | 86400.51 seconds | non SI unit | |
mean solar day | The mean length of time between two successive culminations of the Sun (i.e., the mean period from apparent noon to apparent noon). | 24h00m00s | day |
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