[time-nuts] MesoAmerican calendars, Solstice, etc.
djl at montana.com
Mon Dec 17 20:03:47 UTC 2012
And it's on my birthday, too. So should I open my presents at breakfast
instead of dinnertime/ Will I get cake???
merry Christmas to all of you...
> You knew it would be coming..
> A discussion over lunch brought up the question of precisely WHEN this
> Maya calendar rollover/civilization ending event would occur. It's not
> enough to just say "dec 21st".. Does the event occur at the beginning of
> the day, end of the day, in which local time scale.. Local news media
> and the blogosphere are woefully ignorant of such basic questions which
> time-nuts learn to ask at their mother's knee.
> I did find a reference that it's tied to the Solstice, or which we have
> a fairly precise instant: 1112UTC (although I've seen other numbers
> floating around). So, basically, I could not have to worry about going
> into work on Friday, because all the excitement will be over here in the
> Pacific Time zone(but I will have to get up real early to see it happen)
> But just like other time scales, how did those mesoAmericans reconcile
> their 360 day cycle to 365.25... day intervals between solstices?
> I've been rummaging through my ION CD of time and celestial nav papers,
> but didn't find anything at first on the whole issue (plenty on other
> astronomically derived scales).
> Anybody have any decent links to go hunting for?
> 5000 years is plenty long for significant precession of the equninoxes,
> for instance.. Maybe those Maya astronomers did a bang up job measuring,
> but hey, they probably didn't account for those higher order effects.
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Dr. Don Latham AJ7LL
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