in lib/src/http_date.dart [130:143]
DateTime _parseTime(StringScanner scanner) {
final hours = _parseInt(scanner, 2);
if (hours >= 24) scanner.error('hours may not be greater than 24.');
scanner.expect(':');
final minutes = _parseInt(scanner, 2);
if (minutes >= 60) scanner.error('minutes may not be greater than 60.');
scanner.expect(':');
final seconds = _parseInt(scanner, 2);
if (seconds >= 60) scanner.error('seconds may not be greater than 60.');
return DateTime(1, 1, 1, hours, minutes, seconds);
}