diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 2056aa2..0c56651 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -11,6 +11,7 @@ from plone.app.discussion.interfaces import IComment
 from plone.app.discussion.interfaces import IConversation
 from plone.app.discussion.interfaces import IDiscussionSettings
 from plone.app.discussion.interfaces import IReplies
+from plone.app.event.base import localized_now
 from plone.app.layout.viewlets.common import ViewletBase
 from plone.base.utils import safe_text
 from plone.registry.interfaces import IRegistry
@@ -193,8 +194,8 @@ class CommentForm(extensible.ExtensibleForm, form.Form):
             setattr(comment, attribute, data[attribute])
 
         # Set dates
-        comment.creation_date = datetime.now(timezone.utc)
-        comment.modification_date = datetime.now(timezone.utc)
+        comment.creation_date = localized_now()
+        comment.modification_date = localized_now()
 
         # Get author name and email
         comment.author_name, comment.author_email = self.get_author(data)
diff --git a/plone/app/discussion/comment.py b/plone/app/discussion/comment.py
index 8e9be09..3a02628 100644
--- a/plone/app/discussion/comment.py
+++ b/plone/app/discussion/comment.py
@@ -21,6 +21,7 @@ from plone.app.discussion.events import ReplyRemovedEvent
 from plone.app.discussion.interfaces import IComment
 from plone.app.discussion.interfaces import IConversation
 from plone.app.discussion.interfaces import IDiscussionSettings
+from plone.app.event.base import localized_now
 from plone.base.interfaces.controlpanel import IMailSchema
 from plone.base.utils import safe_text
 from plone.registry.interfaces import IRegistry
@@ -120,7 +121,7 @@ class Comment(
     # IConversation.addComment().
 
     def __init__(self):
-        self.creation_date = self.modification_date = datetime.now(timezone.utc)
+        self.creation_date = self.modification_date = localized_now()
         self.mime_type = "text/plain"
 
         user = getSecurityManager().getUser()