diff --git a/projects/models.py b/projects/models.py
index 48f400a..aa5dddc 100644
--- a/projects/models.py
+++ b/projects/models.py
@@ -7,6 +7,7 @@ from django.conf import settings
 from django.utils.text import slugify
 from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from django.template.defaultfilters import date
+from django.utils.timezone import localtime
 
 from bugsink.app_settings import get_settings
 from bugsink.transaction import delay_on_commit
@@ -179,8 +180,10 @@ class Project(models.Model):
         if BaseIngestAPIView.is_quota_still_exceeded(self, now):
             period_name, nr_of_periods, gte_threshold = json.loads(self.quota_exceeded_reason)
             # TODO i18n
-            return ["Event ingestion stopped until %s. Reason: project quota (%s events per %s %ss) exceeded." % (
-                      date(self.quota_exceeded_until, "j M G:i"), gte_threshold, nr_of_periods, period_name)]
+            per_fmt = "%s %ss" % (nr_of_periods, period_name) if nr_of_periods != 1 else period_name
+            date_fmt = date(localtime(self.quota_exceeded_until), "j M G:i T")
+            return ["Event ingestion stopped until %s. Reason: project quota (%s events per %s) exceeded." % (
+                      date_fmt, gte_threshold, per_fmt)]
 
         return []