diff --git a/Lib/test/test_email/test_utils.py b/Lib/test/test_email/test_utils.py
index 1e9cd63e520..6dcb3bbe7aa 100644
--- a/Lib/test/test_email/test_utils.py
+++ b/Lib/test/test_email/test_utils.py
@@ -136,6 +136,9 @@ def test_variable_tzname(self):
         t1 = utils.localtime(t0)
         self.assertEqual(t1.tzname(), 'EET')
 
+# Issue #24836: The timezone files are out of date (pre 2011k)
+# on Mac OS X Snow Leopard.
+@test.support.requires_mac_ver(10, 7)
 class FormatDateTests(unittest.TestCase):
 
     @test.support.run_with_tz('Europe/Minsk')