diff --git a/config/locales/en.yml b/config/locales/en.yml
index d266cdfdf..641b2d90d 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -18,7 +18,7 @@ en:
 
   time:
     formats:
-      default: "%d. %B %Y, %H:%M"
+      default: "%Y-%m-%d %H:%M"
       longer: "%a, %e. %b %Y, %H:%M"
       long: "%A, %e. %B %Y, %H:%M"
       short: "%d.%m.%y, %H:%M"
@@ -28,6 +28,7 @@ en:
       ydate: "%Y.%m.%d"
   date:
     formats:
+      default: "%Y-%m-%d"
       year_and_month: "%Y %B"
 
   activerecord: