diff --git a/libstdc++-v3/config/locale/generic/time_members.cc b/libstdc++-v3/config/locale/generic/time_members.cc
index 6619f0ca881..5012a270dd1 100644
--- a/libstdc++-v3/config/locale/generic/time_members.cc
+++ b/libstdc++-v3/config/locale/generic/time_members.cc
@@ -150,11 +150,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	_M_data = new __timepunct_cache<wchar_t>;
 
       _M_data->_M_date_format = L"%m/%d/%y";
-      _M_data->_M_date_era_format = L"%m/%d/%y";
+      _M_data->_M_date_era_format = _M_data->_M_date_format;
       _M_data->_M_time_format = L"%H:%M:%S";
-      _M_data->_M_time_era_format = L"%H:%M:%S";
-      _M_data->_M_date_time_format = L"";
-      _M_data->_M_date_time_era_format = L"";
+      _M_data->_M_time_era_format = _M_data->_M_time_format;
+      _M_data->_M_date_time_format = L"%a %b %e %T %Y";
+      _M_data->_M_date_time_era_format = _M_data->_M_date_time_format;
       _M_data->_M_am = L"AM";
       _M_data->_M_pm = L"PM";
       _M_data->_M_am_pm_format = L"%I:%M:%S %p";