Date Time вывод названия месяца по русски

#include <iostream>
#include <boost/date_time/gregorian/gregorian.hpp>
 
using namespace boost::gregorian;
 
int main()
{
   date d(2004, Feb, 29);
   date_facet* facet(new date_facet("%B"));
 
   //std::cout.imbue(std::locale(std::locale("rus_rus.1251"), facet));
   //std::cout.imbue(std::locale(std::locale("rus_rus.866"), facet));
   //std::cout.imbue(std::locale(std::locale("ru_RU.UTF-8"), facet));
   //std::locale::global(std::locale("ru_RU.UTF-8"));
   std::cout.imbue(std::locale(std::locale(""), facet));
 
   std::cout << "Month: " << d << "\n";
 
   return 0;
}

#include <iostream>
#include <sstream>
#include <boost/date_time/gregorian/gregorian.hpp>
#include <boost/locale.hpp>
#include <windows.h>
 
using namespace boost::gregorian;
using namespace boost::locale;
 
std::string utf8_encode(const std::wstring &wstr)
{
   int size_needed = WideCharToMultiByte(CP_ACP, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
   std::string strTo(size_needed, 0);
   WideCharToMultiByte                  (CP_ACP, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL);
   return strTo;
}
 
int main()
{
   SetConsoleCP (1251); SetConsoleOutputCP (1251);
 
   date d(2004, Feb, 29);
   wdate_facet* facet(new wdate_facet(L"%B"));
 
   generator gen;
   std::wstringstream ss;
   ss.imbue(std::locale(std::locale(gen("ru_RU.UTF-8")), facet));
   ss << d;
   std::cout << utf8_encode(ss.str());
 
   return 0;
}