| Julian Dates...Again [message #53765] |
Tue, 01 May 2007 10:31 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Folks,
OK, I don't have time for this today... :-(
Suppose I have a time string: "2007118".
The first four digits are the year. The last
three digits are the day of the year. (e.g.,
Jan 10, 2007 is 010 and Feb 1, 2007 is 032, etc.)
I can't seem to put my hands on a function that will
convert the day of the year to a month and day value,
so that I can create a Julian number with JULDAY.
(Although I can imagine I have written such a thing in
the past. All I have to do is find that damn formula
for leap year processing and...)
Does anyone have one of these do-hickeys available?
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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