try this: 
  my $already = exists $ENV{TZ};
  my $original_time_zone = $ENV{TZ} if $already;
  $ENV{TZ} = 'some other time zone';
  $string_time = POSIX::strftime("%Y-%m-%d %H:%M:%S", localtime($epoch_time));
  $ENV{TZ} = $original_time_zone if $already;
  delete $ENV{TZ} unless $already;
it's seems crude, but temporarily changing the time zone for the system was what it took. (for me it was just an apache child)

In reply to Re: Converting timezones with Date::Manip by voyager
in thread Converting timezones with Date::Manip by Anonymous Monk

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