diff --git a/news/12508.trivial.rst b/news/12508.trivial.rst
new file mode 100644
index 00000000000..fa2cc081f19
--- /dev/null
+++ b/news/12508.trivial.rst
@@ -0,0 +1,3 @@
+Fix a few test cases to correctly test timestamps generated in log messages
+when run in the southern hemisphere in a geography that uses daylight savings
+and on a ``timet`` that would fall within daylight savings.
diff --git a/tests/unit/test_base_command.py b/tests/unit/test_base_command.py
index 44dae384a75..1ff20e21094 100644
--- a/tests/unit/test_base_command.py
+++ b/tests/unit/test_base_command.py
@@ -17,10 +17,13 @@
 
 @pytest.fixture
 def fixed_time() -> Iterator[None]:
-    with patch("time.time", lambda: 1547704837.040001 + time.timezone):
+    with patch("time.time", lambda: 1547704837.040001):
         yield
 
 
+logging.Formatter.converter = time.gmtime
+
+
 class FakeCommand(Command):
     _name = "fake"
 
diff --git a/tests/unit/test_logging.py b/tests/unit/test_logging.py
index 9d507d74277..cfe502216ec 100644
--- a/tests/unit/test_logging.py
+++ b/tests/unit/test_logging.py
@@ -15,6 +15,8 @@
 
 logger = logging.getLogger(__name__)
 
+logging.Formatter.converter = time.gmtime
+
 
 class TestIndentingFormatter:
     """Test ``pip._internal.utils.logging.IndentingFormatter``."""
@@ -23,7 +25,7 @@ def make_record(self, msg: str, level_name: str) -> logging.LogRecord:
         level_number = getattr(logging, level_name)
         attrs = {
             "msg": msg,
-            "created": 1547704837.040001 + time.timezone,
+            "created": 1547704837.040001,
             "msecs": 40,
             "levelname": level_name,
             "levelno": level_number,