[LEAPSECS] Far past and far future

Daniel R. Tobias dan at tobias.name
Wed May 25 07:59:13 EDT 2011

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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