diff --git a/src/pretix/helpers/formats/en/formats.py b/src/pretix/helpers/formats/en/formats.py
index 81452fe12f..0bf19be33f 100644
--- a/src/pretix/helpers/formats/en/formats.py
+++ b/src/pretix/helpers/formats/en/formats.py
@@ -1,2 +1,3 @@
+# Date according to https://docs.djangoproject.com/en/dev/ref/templates/builtins/#date
 SHORT_DATE_FORMAT = 'Y-m-d'
-SHORT_DATETIME_FORMAT = 'Y-d-m P'
+SHORT_DATETIME_FORMAT = 'Y-m-d H:i'