$ENV{'TZ'} = '-0400';  # also tried 'US/Eastern' with same result.

print qq{---- $ENV{'COUNT'} ----
TZ: $ENV{'TZ'}
localtime: } . scalar(localtime) . "\n";

$ENV{'COUNT'}++;
exit if $ENV{'COUNT'} > 3;

system("C:\\perl\\bin\\perl.exe C:\\cgi\\test");