diff --git a/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.fail.cpp b/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.fail.cpp
index 0b2a09049..76d4feccc 100644
--- a/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.fail.cpp
+++ b/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.fail.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: clang-5, clang-6
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9
+// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10
 
 // <chrono>
 // class day;
diff --git a/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.pass.cpp b/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.pass.cpp
index 0911b43b5..d6e852ab3 100644
--- a/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.pass.cpp
+++ b/test/std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.pass.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: clang-5, clang-6
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9
+// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10
 
 // <chrono>
 // class day;
diff --git a/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.fail.cpp b/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.fail.cpp
index a8322bba1..fe6e2f1a8 100644
--- a/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.fail.cpp
+++ b/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.fail.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: clang-5, clang-6
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9
+// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10
 
 // <chrono>
 // class year;
diff --git a/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.pass.cpp b/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.pass.cpp
index 6ace29324..11715a42e 100644
--- a/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.pass.cpp
+++ b/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.pass.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: clang-5, clang-6
-// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9
+// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10
 
 // <chrono>
 // class year;