my $dt = $Strp->parse_datetime($1);

##</code><code>##

my $Strp = new DateTime::Format::Strptime(pattern     => '%Y-%b-%d %T', on_error => 'croak');

##</code><code>##

unless (my $dt = $Strp->parse_datetime($1))
{
  warn "invalid datetime: $1";
  next;
}