[LEAPSECS] operational time -- What's in a name?

[Rob Seaman]

On Mar 28, 2008, at 11:44 AM, Poul-Henning Kamp wrote:


> Well, POSIX clearly doesn't match the scientific definition of

> UTC, but as which of the two is more "real" is mostly a matter of

> philosophy I think.


Both are human constructs.  It is mean solar time that is real, that  
is, the sidereal day augmented by 3m56s to account for annually  
lapping the sun.

Rob Seaman
NOAO