diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index db1fdd128b..3a49431357 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -338,7 +338,10 @@ def render_field(self, field, parent_style):
field = field.as_form_field()
if style.get('input_type') == 'datetime-local' and isinstance(field.value, str):
- field.value = field.value.rstrip('Z')
+ # The format of an input type="datetime-local" is "yyyy-MM-ddThh:mm"
+ # followed by optional ":ss" or ":ss.SSS", so remove [milli|micro]seconds
+ # to avoid browser error.
+ field.value = "".join(field.value.rstrip('Z').split(".")[:1])
if 'template' in style:
template_name = style['template']
diff --git a/tests/test_renderers.py b/tests/test_renderers.py
index 247737576f..0e19a45868 100644
--- a/tests/test_renderers.py
+++ b/tests/test_renderers.py
@@ -1,5 +1,6 @@
import re
from collections.abc import MutableMapping
+from datetime import datetime
import pytest
from django.core.cache import cache
@@ -488,6 +489,23 @@ class TestSerializer(serializers.Serializer):
assert rendered == ''
+class TestDateTimeFieldHTMLFormRender(TestCase):
+ def test_datetime_field_rendering(self):
+ class TestSerializer(serializers.Serializer):
+ appointment = serializers.DateTimeField()
+
+ appointment = datetime(2024, 12, 24, 00, 55, 30, 345678)
+ serializer = TestSerializer(data={"appointment": appointment})
+ serializer.is_valid()
+ renderer = HTMLFormRenderer()
+ field = serializer['appointment']
+ rendered = renderer.render_field(field, {})
+ self.assertInHTML(
+ 'pFad - Phonifier reborn
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