#include <iostream>
#include <sstream>
#include <string>

#include <boost/date_time/posix_time/posix_time.hpp>

using namespace std;

using namespace boost::posix_time;

ptime ptime_from_rss_pub_date(const string& pub_date)
{
   time_input_facet* timefacet = new time_input_facet("%a, %d %b %Y %H:%M:%S");
   istringstream ss(pub_date);
   ss.imbue(std::locale(ss.getloc(), timefacet));

   local_date_time t;
   ss >> t;

   return t;
}
int main()
{
   ptime t = ptime_from_rss_pub_date("Sat, 20 Sep 2008 11:25:00 +0100");

   cerr << "Parsed time: " << to_simple_string(t) << endl;
}