diff --git a/arrow/arrow.py b/arrow/arrow.py
index 9ed179c15..1b05b42bb 100644
--- a/arrow/arrow.py
+++ b/arrow/arrow.py
@@ -66,6 +66,7 @@ def __init__(
         elif (
             isinstance(tzinfo, dt_tzinfo)
             and hasattr(tzinfo, "localize")
+            and hasattr(tzinfo, "zone")
             and tzinfo.zone
         ):
             tzinfo = parser.TzinfoParser.parse(tzinfo.zone)
diff --git a/requirements.txt b/requirements.txt
index 55b22311f..780f15d9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 backports.functools_lru_cache==1.5.0; python_version == "2.7"
 chai==1.1.2
+dateparser==0.7.*
 mock==3.0.*
 nose==1.3.7
 nose-cov==1.6
diff --git a/setup.cfg b/setup.cfg
index d93e3fc9b..08cae3ddf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,7 @@ ignore = E203,E501,W503
 line_length = 88
 multi_line_output = 3
 include_trailing_comma = true
-known_third_party = chai,dateutil,mock,pytz,setuptools,simplejson
+known_third_party = chai,dateparser,dateutil,mock,pytz,setuptools,simplejson
 
 [bdist_wheel]
 universal = 1
diff --git a/tests/factory_tests.py b/tests/factory_tests.py
index 0e89ffb01..bccc16376 100644
--- a/tests/factory_tests.py
+++ b/tests/factory_tests.py
@@ -2,6 +2,7 @@
 import time
 from datetime import date, datetime
 
+import dateparser
 from chai import Chai
 from dateutil import tz
 
@@ -102,6 +103,14 @@ def test_one_arg_tzinfo(self):
 
         assertDtEqual(self.factory.get(tz.gettz("US/Pacific")), self.expected)
 
+    # regression test for issue #658
+    def test_one_arg_dateparser_datetime(self):
+        expected = datetime(1990, 1, 1).replace(tzinfo=tz.tzutc())
+        # dateparser outputs: datetime.datetime(1990, 1, 1, 0, 0, tzinfo=<StaticTzInfo 'UTC\+00:00'>)
+        parsed_date = dateparser.parse("1990-01-01T00:00:00+00:00")
+        dt_output = self.factory.get(parsed_date)._datetime.replace(tzinfo=tz.tzutc())
+        self.assertEqual(dt_output, expected)
+
     def test_kwarg_tzinfo(self):
 
         self.expected = (
diff --git a/tests/parser_tests.py b/tests/parser_tests.py
index 0fe754331..85d8ad07d 100644
--- a/tests/parser_tests.py
+++ b/tests/parser_tests.py
@@ -224,10 +224,18 @@ def test_parse_timestamp(self):
             self.parser.parse("{:f}123456".format(float_timestamp), "X"), self.expected
         )
 
-        negative_timestamp = -1565358758
-        self.expected = datetime.fromtimestamp(negative_timestamp, tz=tz_utc)
+        # regression test for issue #662
+        negative_int_timestamp = -int_timestamp
+        self.expected = datetime.fromtimestamp(negative_int_timestamp, tz=tz_utc)
         self.assertEqual(
-            self.parser.parse("{:d}".format(negative_timestamp), "X"), self.expected
+            self.parser.parse("{:d}".format(negative_int_timestamp), "X"), self.expected
+        )
+
+        negative_float_timestamp = -float_timestamp
+        self.expected = datetime.fromtimestamp(negative_float_timestamp, tz=tz_utc)
+        self.assertEqual(
+            self.parser.parse("{:f}".format(negative_float_timestamp), "X"),
+            self.expected,
         )
 
         # NOTE: timestamps cannot be parsed from natural language strings (by removing the ^...$) because it will