| IDL Time Zones? [message #14807] |
Sun, 28 March 1999 00:00 |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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It seems that the SYSTIME() function doesn't work always under IDL.
SYSTIME(0) is supposed to print the *local* time, but it doesn't under
my Linux system. Here are two examples.
CORRECT EXAMPLE:
IDL> print, !version & print, systime(0) & spawn, 'date'
{ alpha OSF unix 5.2 Oct 30 1998}
Sun Mar 28 17:58:13 1999
Sun Mar 28 17:58:14 EST 1999 ;; <----- OK, the times match here
INCORRECT EXAMPLE:
IDL> print, !version & print, systime(0) & spawn, 'date'
{ x86 linux unix 5.1 Apr 13 1998}
Mon Mar 29 02:15:11 1999 ;; <----- NO, this is GMT, not local!!!
Sun Mar 28 21:15:11 EST 1999
Clearly the system time zone is set correctly, because "date" gets it
right (and the TZ environment variable has no effect).
I would be interested in seeing if other systems have this error. I
couldn't find this on the RSI web page. Is it documented anywhere?
Craig
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@astrog.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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