diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp
@@ -14,12 +14,9 @@
 // REQUIRES: locale.ru_RU.UTF-8
 // REQUIRES: locale.zh_CN.UTF-8
 
-// GLIBC Expects "10/06/2009" for fr_FR as opposed to "10.06.2009"
-// GLIBC also fails on the zh_CN test.
+// GLIBC fails on the zh_CN test.
 // XFAIL: linux
 
-// XFAIL: LIBCXX-WINDOWS-FIXME
-
 // <locale>
 
 // class time_get_byname<charT, InputIterator>
@@ -66,7 +63,11 @@
     }
     {
         const my_facet f(LOCALE_fr_FR_UTF_8, 1);
+#if defined(_WIN32) || defined(TEST_HAS_GLIBC)
+        const char in[] = "10/06/2009";
+#else
         const char in[] = "10.06.2009";
+#endif
         err = std::ios_base::goodbit;
         t = std::tm();
         I i = f.get_date(I(in), I(in+sizeof(in)/sizeof(in[0])-1), ios, err, &t);
diff --git a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
--- a/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp
@@ -16,12 +16,9 @@
 // REQUIRES: locale.ru_RU.UTF-8
 // REQUIRES: locale.zh_CN.UTF-8
 
-// GLIBC Expects "10/06/2009" for fr_FR as opposed to "10.06.2009"
-// GLIBC also fails on the zh_CN test.
+// GLIBC fails on the zh_CN test.
 // XFAIL: linux
 
-// XFAIL: LIBCXX-WINDOWS-FIXME
-
 // <locale>
 
 // class time_get_byname<charT, InputIterator>
@@ -68,7 +65,11 @@
     }
     {
         const my_facet f(LOCALE_fr_FR_UTF_8, 1);
+#if defined(_WIN32) || defined(TEST_HAS_GLIBC)
+        const wchar_t in[] = L"10/06/2009";
+#else
         const wchar_t in[] = L"10.06.2009";
+#endif
         err = std::ios_base::goodbit;
         t = std::tm();
         I i = f.get_date(I(in), I(in+sizeof(in)/sizeof(in[0])-1), ios, err, &t);