diff --git a/docs/customization/custom-scripts.md b/docs/customization/custom-scripts.md
index ec588bada..76ca7130f 100644
--- a/docs/customization/custom-scripts.md
+++ b/docs/customization/custom-scripts.md
@@ -287,11 +287,11 @@ An IPv4 or IPv6 network with a mask. Returns a `netaddr.IPNetwork` object. Two a
 
 ### DateVar
 
-A date. Returns a `datetime.date` object.
+A calendar date. Returns a `datetime.date` object.
 
 ### DateTimeVar
 
-A datetime. Returns a `datetime.datetime` object.
+A complete date & time. Returns a `datetime.datetime` object.
 
 ## Running Custom Scripts
 
diff --git a/netbox/extras/tests/test_scripts.py b/netbox/extras/tests/test_scripts.py
index 777a90a8b..bed8f0fc5 100644
--- a/netbox/extras/tests/test_scripts.py
+++ b/netbox/extras/tests/test_scripts.py
@@ -331,6 +331,12 @@ class ScriptVariablesTest(TestCase):
             var1 = DateVar()
             var2 = DateVar(required=False)
 
+        # Test date validation
+        data = {'var1': 'not a date'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
         # Validate valid data
         input_date = date(2024, 4, 1)
         data = {'var1': input_date}
@@ -347,6 +353,12 @@ class ScriptVariablesTest(TestCase):
             var1 = DateTimeVar()
             var2 = DateTimeVar(required=False)
 
+        # Test datetime validation
+        data = {'var1': 'not a datetime'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
         # Validate valid data
         input_datetime = datetime(2024, 4, 1, 8, 0, 0, 0, timezone.utc)
         data = {'var1': input_datetime}