Accept 'z' for UTC in parser

2 files changed, 9 insertions, 2 deletions

diff --git a/dateutil/parser/_parser.py b/dateutil/parser/_parser.py
index 1cb592d..efb76fa 100644
--- a/dateutil/parser/_parser.py
+++ b/dateutil/parser/_parser.py
@@ -388,7 +388,8 @@ class parserinfo(object):
         if res.year is not None:
             res.year = self.convertyear(res.year, res.century_specified)
 
-        if res.tzoffset == 0 and not res.tzname or res.tzname == 'Z':
+        if (res.tzoffset == 0 and not res.tzname or res.tzname == 'Z'
+            or res.tzname == 'z'):
             res.tzname = "UTC"
             res.tzoffset = 0
         elif res.tzoffset != 0 and res.tzname and self.utczone(res.tzname):
@@ -1060,7 +1061,8 @@ class parser(object):
                 tzname is None and
                 tzoffset is None and
                 len(token) <= 5 and
-                all(x in string.ascii_uppercase for x in token))
+                (all(x in string.ascii_uppercase for x in token)
+                 or token in self.info.UTCZONE))
 
     def _ampm_valid(self, hour, ampm, fuzzy):
         """
diff --git a/dateutil/test/test_parser.py b/dateutil/test/test_parser.py
index c2d5d9a..dcaa7cc 100644
--- a/dateutil/test/test_parser.py
+++ b/dateutil/test/test_parser.py
@@ -472,6 +472,11 @@ class ParserTest(unittest.TestCase):
         self.assertEqual(parse("1976-07-04T00:01:02Z", ignoretz=True),
                          datetime(1976, 7, 4, 0, 1, 2))
 
+    def testRandomFormat18(self):
+        self.assertEqual(parse("1986-07-05T08:15:30z",
+                               ignoretz=True),
+                         datetime(1986, 7, 5, 8, 15, 30))
+
     def testRandomFormat20(self):
         self.assertEqual(parse("Tue Apr 4 00:22:12 PDT 1995", ignoretz=True),
                          datetime(1995, 4, 4, 0, 22, 12))