What about this: 
print scalar localtime(), "\n";
$ENV{TZ}="Europe/London";
print scalar localtime(), "\n";

[download]
Prints the following for me (I'm in CET, that is Europe/Amsterdam): 
Fri Sep 13 13:51:50 2002
Fri Sep 13 12:51:50 2002

[download]
Cheers,

Joe.

In reply to Re: Correcting Time by joe++
in thread Correcting Time by Anonymous Monk

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