diff --git a/.github/workflows/run-all-tests.yml b/.github/workflows/run-all-tests.yml
index 4e47acd1..e6ca054a 100644
--- a/.github/workflows/run-all-tests.yml
+++ b/.github/workflows/run-all-tests.yml
@@ -46,7 +46,7 @@ jobs:
           pytest tests --cov=fastkml --cov=tests --cov-fail-under=95 --cov-report=xml
       - name: "Upload coverage to Codecov"
         if: ${{ matrix.python-version==3.11 }}
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: true
           verbose: true
diff --git a/fastkml/helpers.py b/fastkml/helpers.py
index 1b3d582e..85a888e8 100644
--- a/fastkml/helpers.py
+++ b/fastkml/helpers.py
@@ -1100,15 +1100,16 @@ def datetime_subelement_kwarg(
         return {}
     node_text = node.text.strip() if node.text else ""
     if node_text:
-        if kdt := cls.parse(node_text):  # type: ignore[attr-defined]
-            return {kwarg: kdt}
-        handle_error(
-            error=ValueError(f"Invalid DateTime value: {node_text}"),
-            strict=strict,
-            element=element,
-            node=node,
-            expected="DateTime",
-        )
+        try:
+            return {kwarg: cls.parse(node_text)}  # type: ignore[attr-defined]
+        except ValueError as exc:
+            handle_error(
+                error=exc,
+                strict=strict,
+                element=element,
+                node=node,
+                expected="DateTime",
+            )
     return {}
 
 
diff --git a/fastkml/times.py b/fastkml/times.py
index 093902df..a2f35b5f 100644
--- a/fastkml/times.py
+++ b/fastkml/times.py
@@ -45,7 +45,7 @@
 
 # regular expression to parse a gYearMonth string
 # year and month may be separated by an optional dash
-# year is always 4 digits, month is always 2 digits
+# year is always 4 digits, month, day is always 2 digits
 year_month_day = re.compile(
     r"^(?P<year>\d{4})(?:-)?(?P<month>\d{2})?(?:-)?(?P<day>\d{2})?$",
 )
@@ -205,10 +205,8 @@ def parse(cls, datestr: str) -> Optional["KmlDateTime"]:
                 resolution = DateTimeResolution.year_month
             if year_month_day_match.group("month") is None:
                 resolution = DateTimeResolution.year
-        elif len(datestr) > 10:  # noqa: PLR2004
-            dt = arrow.get(datestr).datetime
-            resolution = DateTimeResolution.datetime
-        return cls(dt, resolution) if dt else None
+            return cls(dt, resolution)
+        return cls(arrow.get(datestr).datetime, DateTimeResolution.datetime)
 
     @classmethod
     def get_ns_id(cls) -> str:
diff --git a/fastkml/utils.py b/fastkml/utils.py
index 87cc7d38..9f3bc0f7 100644
--- a/fastkml/utils.py
+++ b/fastkml/utils.py
@@ -30,6 +30,32 @@ def has_attribute_values(obj: object, **kwargs: Any) -> bool:
         return False
 
 
+def get_all_attrs(obj: object) -> Generator[object, None, None]:
+    """
+    Get all attributes of an object.
+
+    Args:
+    ----
+        obj: The object to get attributes from.
+
+    Returns:
+    -------
+        An iterable of all attributes of the object or, if the attribute itself is
+            iterable, iterate over the attribute values.
+
+    """
+    try:
+        attrs = (attr for attr in obj.__dict__ if not attr.startswith("_"))
+    except AttributeError:
+        return
+    for attr_name in attrs:
+        attr = getattr(obj, attr_name)
+        try:
+            yield from attr
+        except TypeError:
+            yield attr
+
+
 def find_all(
     obj: object,
     *,
@@ -55,17 +81,9 @@ def find_all(
         **kwargs,
     ):
         yield obj
-    try:
-        attrs = (attr for attr in obj.__dict__ if not attr.startswith("_"))
-    except AttributeError:
-        return
-    for attr_name in attrs:
-        attr = getattr(obj, attr_name)
-        try:
-            for item in attr:
-                yield from find_all(item, of_type=of_type, **kwargs)
-        except TypeError:
-            yield from find_all(attr, of_type=of_type, **kwargs)
+
+    for attr in get_all_attrs(obj):
+        yield from find_all(attr, of_type=of_type, **kwargs)
 
 
 def find(
diff --git a/tests/times_test.py b/tests/times_test.py
index 3b52e9ff..2b96978a 100644
--- a/tests/times_test.py
+++ b/tests/times_test.py
@@ -200,11 +200,19 @@ def test_parse_datetime_no_tz(self) -> None:
         assert dt.dt == datetime.datetime(1997, 7, 16, 7, 30, 15, tzinfo=tzutc())
 
     def test_parse_datetime_empty(self) -> None:
-        assert KmlDateTime.parse("") is None
+        with pytest.raises(
+            ValueError,
+            match="^Could not match input '' to any of the following formats:",
+        ):
+            KmlDateTime.parse("")
 
     def test_parse_year_month_5(self) -> None:
         """Test that a single digit month is invalid."""
-        assert KmlDateTime.parse("19973") is None
+        with pytest.raises(
+            ValueError,
+            match="^Could not match input '19973' to any of the following formats:",
+        ):
+            KmlDateTime.parse("19973")
 
 
 class TestStdLibrary(StdLibrary):
diff --git a/tox.ini b/tox.ini
index 3456d188..4fb8dc1a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,6 @@ per-file-ignores =
     examples/*.py: DALL
     fastkml/gx.py: LIT002
     fastkml/views.py: LIT002
-    fastkml/utils.py: CCR001
     fastkml/registry.py: E704
     docs/conf.py: E402
 enable-extensions=G