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| | Unix time - Wikipedia, the free encyclopedia |
 | | Instead, times with sub-second precision are represented using compound data types that consist of two integers, the first being a time_t (the integral part of the Unix time), and the second being the fractional part of the time number in millionths (in struct timeval) or billionths (in struct timespec). |
 | | It is an encoding of UTC, and is sufficiently similar to a linear representation of the passage of time that it is frequently mistaken for one. |
 | | As a result, Unix times such as 915 148 799.50, apparently in the second preceding a leap second, are de facto ambiguous, as are (both de facto and de jure) times such as 915 148 800.50. |
| en.wikipedia.org /wiki/Unix_time (3233 words) |
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