use HTML::Parser;
my $p = HTML::Parser->new(
	api_version => 3,
	start_h => [\&start_tag, "tagname, attr"],
	case_sensitive => 1,
);
sub start_tag {
	my ($tag,$attr) = @_;
	if ($tag eq 'timeLimit') {
		print "start=$$attr{startTime} end=$$attr{endTime}\n";
	}
}
$p->parse($data);
$p->eof;

use XML::LibXML;
my $dom = XML::LibXML->load_xml(string => $data);
for my $node ($dom->findnodes('//timeLimit')) {
	my $start = $node->getAttribute('startTime');
	my $end = $node->getAttribute('endTime');
	print "s=$start e=$end\n";
}