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Newsgroups: sci.physics.relativity
Subject: Re: What Time Is It on the Moon?
From: nospam@de-ster.demon.nl (J. J. Lodder)
Reply-To: jjlxa31@xs4all.nl (J. J. Lodder)
Date: Sat, 10 Aug 2024 22:02:54 +0200
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The Starmaker <starmaker@ix.netcom.com> wrote:

> Thomas Heger wrote:
> > 
> > Am Donnerstag000008, 08.08.2024 um 22:18 schrieb Tom Roberts:
> > > On 8/8/24 2:18 PM, J. J. Lodder wrote:
> > >> The most pressing problem with [lunar timing an location):
> > >> what are they going to call the lunar equivalent of the geoid?
> > >> The 'loonoid', perhaps?
> > >
> > > A more pressing problem is: which timezone(s) will be used?
> > > With a ~ 700-hour "day" it's not clear what to do....
> > 
> > Timezones have nothig to do with time.
> > 
> > Timezones are used to make the numerical value of the time of the
> > sunrise at least somehow equal for all places on the Earth' surface.
> > 
> > As Moon is not located on Earth' surface, the man in the Moon has other
> > worries than our time zones.
> > 
> > Because the 'day' is quite long on the moon, the 'hours' could be as well.
> > 
> > Or they use more 'hours' there, if they want to.
> > 
> > But that isn't related to the nature of time, because the sunrise istn't
> > time neither.
> > 
> > TH
> 
> 
> If time is what a clock says, and the sun says it's sunrise on the sun
> clock, it's time is sunrise. Am I wrong?

What time is sunrise on the sun?

Jan