diff --git a/presidio-analyzer/presidio_analyzer/predefined_recognizers/generic/date_recognizer.py b/presidio-analyzer/presidio_analyzer/predefined_recognizers/generic/date_recognizer.py
index 08bc4aa1de..8f9cba4b2d 100644
--- a/presidio-analyzer/presidio_analyzer/predefined_recognizers/generic/date_recognizer.py
+++ b/presidio-analyzer/presidio_analyzer/predefined_recognizers/generic/date_recognizer.py
@@ -15,8 +15,8 @@ class DateRecognizer(PatternRecognizer):
 
     PATTERNS = [
         Pattern(
-            "ISO 8601 datetime",
-            r"\b(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))\b",
+            "Datetime (yyyy-mm-ddThh:mm[:ss[.f]] with timezone)",
+            r"\b(?:(\d{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12]\d|3[01])T[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12]\d|3[01])T[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[12]\d|3[01])T[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z)))\b",
             0.8,
         ),
         Pattern(
diff --git a/presidio-analyzer/tests/test_date_recognizer.py b/presidio-analyzer/tests/test_date_recognizer.py
index 62a6c700d9..087b0ff5cb 100644
--- a/presidio-analyzer/tests/test_date_recognizer.py
+++ b/presidio-analyzer/tests/test_date_recognizer.py
@@ -49,7 +49,17 @@ def entities():
         ("Today is 2024-03-15T14:30:00Z\r or not?", 1, ((9, 29),), ((0.6, 0.81),),),
         ("Today is 2024-03-15T14:30Z\n or not?", 1, ((9, 26),), ((0.6, 0.81),),),
         ("2024-03-15T14:30Z", 1, ((0, 17),), ((0.6, 1),),),
+        # Invalid ISO 8601 month/day values must not be detected as a date
+        ("2024-13-15T14:30:00Z", 0, (), (),),
+        ("2024-00-15T14:30:00Z", 0, (), (),),
+        ("2024-12-32T14:30Z", 0, (), (),),
+        ("2024-12-00T14:30Z", 0, (), (),),
         ("Today is2024-06-05T09:15:30.500-07:00", 0, (), (),),
+        # The leading `\b` must apply to every alternative in the pattern,
+        # not just the first one. Without a non-capturing wrapper, the
+        # seconds and minutes-only alternatives could match mid-word.
+        ("Today is2024-03-15T14:30:00+02:00", 0, (), (),),
+        ("Today is2024-03-15T14:30Z", 0, (), (),),
         # Word boundary tests
         ("Today is5/21", 0, (), (),),
         ("Today is5/21and it's sunny", 0, (), (),),