diff -wpruN --no-dereference '--exclude=*.orig' a~/Lib/test/test_email/test_utils.py a/Lib/test/test_email/test_utils.py --- a~/Lib/test/test_email/test_utils.py 1970-01-01 00:00:00 +++ a/Lib/test/test_email/test_utils.py 1970-01-01 00:00:00 @@ -143,6 +143,8 @@ class LocaltimeTests(unittest.TestCase): t2 = utils.localtime(t0.replace(tzinfo=None)) self.assertEqual(t1, t2) + @unittest.skipIf(sys.platform.startswith("sunos"), + "The Kyiv database on SunOS puts 1984 in EET") @test.support.run_with_tz('Europe/Kyiv') def test_variable_tzname(self): t0 = datetime.datetime(1984, 1, 1, tzinfo=datetime.timezone.utc)