| Re: Julian Day Question [message #48910 is a reply to message #48853] |
Fri, 02 June 2006 10:03  |
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Paul Van Delst[1]
Messages: 1157
Registered: April 2002
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Senior Member |
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Mark Hadfield wrote:
> Paul Van Delst wrote:
>
>> However, it the two julday results up top still seem inconsistent. If
>> I'm an astronomer and my day start reference for input to the julday
>> routine is 12 noon, then why do julday(1,1,1,0,0,0) and julday(1,1,1)
>> provide different results? Doesn't julday(1,1,1,0,0,0) refer to
>> 0hours, 0minutes, 0seconds beyond the (12noon) start of the day? Why
>> does providing the ",0,0,0" hh,mm,ss data cause the start reference to
>> suddenly shift by 12 hours?
>
>
>
> It is not useful to ask how it *should* work and *why* it works the way
> it does. It is only useful to observe *how * it works and find a way of
> coping with it.
Ha ha! In the real world, maybe. But this is c.l.i.p!
:o)
paulv
p.s. BTW, does your boss at NIWA know that you never fix busted software?!? :o)
--
Paul van Delst Ride lots.
CIMSS @ NOAA/NCEP/EMC Eddy Merckx
Ph: (301)763-8000 x7748
Fax:(301)763-8545
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