From d3ed92b266d3980ede90be81b04d6e50bf001c80 Mon Sep 17 00:00:00 2001
From: Marco Edward Gorelli <33491632+MarcoGorelli@users.noreply.github.com>
Date: Wed, 18 Jan 2023 19:31:29 +0000
Subject: [PATCH]  BUG: non-nano strftime returns wrong results (#50793)

* catch error in strftime

* noop

Co-authored-by: MarcoGorelli <>
---
 pandas/_libs/tslibs/timestamps.pyx              | 13 ++++++++++++-
 pandas/tests/scalar/timestamp/test_timestamp.py | 12 ++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/pandas/_libs/tslibs/timestamps.pyx b/pandas/_libs/tslibs/timestamps.pyx
index 0da8a9e73d963..c1aef2e5115ac 100644
--- a/pandas/_libs/tslibs/timestamps.pyx
+++ b/pandas/_libs/tslibs/timestamps.pyx
@@ -1409,7 +1409,18 @@ class Timestamp(_Timestamp):
         >>> ts.strftime('%Y-%m-%d %X')
         '2020-03-14 15:32:52'
         """
-        return datetime.strftime(self, format)
+        try:
+            _dt = datetime(self.year, self.month, self.day,
+                           self.hour, self.minute, self.second,
+                           self.microsecond, self.tzinfo, fold=self.fold)
+        except ValueError as err:
+            raise NotImplementedError(
+                "strftime not yet supported on Timestamps which "
+                "are outside the range of Python's standard library. "
+                "For now, please call the components you need (such as `.year` "
+                "and `.month`) and construct your string from there."
+            ) from err
+        return _dt.strftime(format)
 
     # Issue 25016.
     @classmethod
diff --git a/pandas/tests/scalar/timestamp/test_timestamp.py b/pandas/tests/scalar/timestamp/test_timestamp.py
index 70f9f7c924844..22f5286569c6e 100644
--- a/pandas/tests/scalar/timestamp/test_timestamp.py
+++ b/pandas/tests/scalar/timestamp/test_timestamp.py
@@ -1104,3 +1104,15 @@ def test_utctimetuple():
     result = ts.utctimetuple()
     expected = time.struct_time((2000, 1, 1, 0, 0, 0, 5, 1, 0))
     assert result == expected
+
+
+def test_negative_dates():
+    # https://github.com/pandas-dev/pandas/issues/50787
+    ts = Timestamp("-2000-01-01")
+    msg = (
+        "^strftime not yet supported on Timestamps which are outside the range of "
+        "Python's standard library. For now, please call the components you need "
+        r"\(such as `.year` and `.month`\) and construct your string from there.$"
+    )
+    with pytest.raises(NotImplementedError, match=msg):
+        ts.strftime("%Y")