BUG: date_range doesn't propagate ambigous=False to tz_localize

doc/source/whatsnew/v1.1.0.rst

@@ -941,7 +941,7 @@ Timezones
 ^^^^^^^^^
 
 - Bug in :func:`to_datetime` with ``infer_datetime_format=True`` where timezone names (e.g. ``UTC``) would not be parsed correctly (:issue:`33133`)
--
+- Bug in :func:`date_range` was raising AmbiguousTimeError for valid input with `ambiguous=False` (:issue:`35297`)
 
 
 Numeric

pandas/core/arrays/datetimes.py

@@ -418,9 +418,9 @@ def _generate_range(
                 # index is localized datetime64 array -> have to convert
                 # start/end as well to compare
                 if start is not None:
-                    start = start.tz_localize(tz).asm8
+                    start = start.tz_localize(tz, ambiguous).asm8
                 if end is not None:
-                    end = end.tz_localize(tz).asm8
+                    end = end.tz_localize(tz, ambiguous).asm8
         else:
             # Create a linearly spaced date_range in local time
             # Nanosecond-granularity timestamps aren't always correctly

pandas/tests/indexes/datetimes/test_constructors.py

@@ -787,6 +787,23 @@ def test_construction_with_nat_and_tzlocal(self):
         expected = DatetimeIndex([Timestamp("2018", tz=tz), pd.NaT])
         tm.assert_index_equal(result, expected)
 
+    def test_constructor_with_ambiguous_keyword_arg(self):
+        # GH 35297
+
+        timezone = "America/New_York"
+        start = pd.Timestamp(year=2020, month=11, day=1, hour=1).tz_localize(
+            timezone, ambiguous=False
+        )
+        result = pd.date_range(start, periods=2, ambiguous=False)
+
+        expected = DatetimeIndex(
+            ["2020-11-01 01:00:00", "2020-11-02 01:00:00"],
+            dtype="datetime64[ns, America/New_York]",
+            freq="D",
+            ambiguous=False,
+        )
+        tm.assert_index_equal(result, expected)
+
     def test_constructor_no_precision_raises(self):
         # GH-24753, GH-24739