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Re: day or night [message #82638 is a reply to message #82637]

Wed, 26 December 2012 22:52

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> On about line 240 or so you see a number of calls to the "time"
> functions of the Johns Hopkins University Applied Physics Lab.
> I feel 100 percent certain that the answer to this question
> is going to be found in the IDL routines that can be found
> there:
>
> http://fermi.jhuapl.edu/s1r/idl/s1rlib/local_idl.html

I'm trying to stay awake so I can pick up the kids at
the airport. Their flight has been delayed, so that they
don't arrive now until 2AM. :-(

Anyway, while I'm sitting here I thought it would be
a profitable use of time to go visit the JHUAPL time
routines again myself. Goodness. I'm always amazed
at how complicated the answer can be when you ask
a simple question like "what time is it?"

If, for some reason, you are up late, too, here are
a couple of my favorite articles on my web page
concerning "time":

http://www.idlcoyote.com/misc_tips/julianday.html
http://www.idlcoyote.com/misc_tips/julday.html
http://www.idlcoyote.com/code_tips/dayofyear.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		Re: day or night By: David Fanning on Thu, 27 December 2012 08:06
		Re: day or night By: Gompie on Thu, 27 December 2012 04:03
		Re: day or night By: David Fanning on Wed, 26 December 2012 22:52
		Re: day or night By: David Fanning on Wed, 26 December 2012 22:21

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