Re: [LEAPSECS] what should a time standard encompass?

From: Ken Pizzini <ken_at_halcyon.com>
Date: Sat, 25 Jan 2003 12:08:03 -0800

On Sat, Jan 25, 2003 at 05:20:18PM +0000, Ed Davies wrote:
> Ken Pizzini wrote:
> > For any day of the year one can find some locus of points on the
> > earth's surface where local-apparent-noon-to-local-apparent-noon will
> > have a duration of one mean solar day.
>
> Aren't local solar days longer than mean solar days everywhere around
> perihelion?

Yes; my first "near equinox" claim was actually closer to the truth.
I'll shut up and let someone who actually knows what they're talking
about enlighten us about the conditions in which one observed
noon-to-noon interval can be closely matched to the duration a
mean solar day.

                --Ken Pizzini
Received on Sat Jan 25 2003 - 12:04:23 PST