UNIX time is not actually a stopwatch, it's defined as 86400 seconds per day elapsed since epoch, plus the number of seconds elapsed since the last midnight (in essence it matches UTC seconds from 1970).
Thus UNIX time is at least 27 seconds late (because there have been 27 seconds since 1972).
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UNIX time is not actually a stopwatch, it's defined as 86400 seconds per day elapsed since epoch, plus the number of seconds elapsed since the last midnight (in essence it matches UTC seconds from 1970).
Thus UNIX time is at least 27 seconds late (because there have been 27 seconds since 1972).