BUG: Using DatetimeIndex.date with timezone returns incorrect date #2…

doc/source/whatsnew/v0.23.1.txt

@@ -85,7 +85,7 @@ Indexing
 - Bug in :meth:`Series.reset_index` where appropriate error was not raised with an invalid level name (:issue:`20925`)
 - Bug in :func:`interval_range` when ``start``/``periods`` or ``end``/``periods`` are specified with float ``start`` or ``end`` (:issue:`21161`)
 - Bug in :meth:`MultiIndex.set_names` where error raised for a ``MultiIndex`` with ``nlevels == 1`` (:issue:`21149`)
--
+- Bug in :attr:`DatetimeIndex.date` where an incorrect date is returned when the input date has a timezone (:issue:`21230`)
 
 I/O
 ^^^

pandas/core/indexes/datetimes.py

@@ -2040,7 +2040,7 @@ def date(self):
         Returns numpy array of python datetime.date objects (namely, the date
         part of Timestamps without timezone information).
         """
-        return libts.ints_to_pydatetime(self.normalize().asi8, box="date")
+        return libts.ints_to_pydatetime(self.asi8, box="date")
 
     def normalize(self):
         """

pandas/tests/indexes/datetimes/test_datetime.py

@@ -27,6 +27,21 @@ def test_roundtrip_pickle_with_tz(self):
         unpickled = tm.round_trip_pickle(index)
         tm.assert_index_equal(index, unpickled)
 
+    def test_date_accessor_with_tz(self):
+        # GH 21230
+        from datetime import date
+        index = DatetimeIndex(['2013-01-24 15:01:00+01:00'],
+                              dtype='datetime64[ns, CET]', freq=None)
+
+        assert index.date == np.array(date(2013, 1, 24))
+
+    def test_date_accessor_without_tz(self):
+        # GH 21230
+        from datetime import date
+        index = DatetimeIndex(['2013-01-24 15:01:00+01:00'], freq=None)
+
+        assert index.date == np.array(date(2013, 1, 24))
+
     def test_reindex_preserves_tz_if_target_is_empty_list_or_array(self):
         # GH7774
         index = date_range('20130101', periods=3, tz='US/Eastern')