Index: mappers/date.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/mappers/date.inc,v
retrieving revision 1.3
diff -r1.3 date.inc
57a58,63
> 
>     // Empty string means no time - so do not set any!
>     if (!is_numeric($feed_element) && !strtotime($feed_element)) {
>       return ;
>     }
>