[LEAPSECS] Far past and far future

[Daniel R. Tobias]

On 25 May 2011 at 4:59, Poul-Henning Kamp wrote:


> In message <68E04164-495F-40CF-B287-CA9A587804D4 at noao.edu>, Rob Seaman writes:

> 

> >By definition, of course, the length of a day is always 86,400

> >seconds, or 24 hours of 60 minutes of 60 "natural seconds" :-)

> 

> For values of "always" starting slowly some hundred years ago in

> selected geographies and cultures, and ending world wide in 1972.


Unless you apply a "proleptic solar second" over time periods before 
or after any such unit was in actual use.


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