diff --git a/kfet/views.py b/kfet/views.py
index 602f800e..f9d39885 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -922,8 +922,8 @@ def account_read_json(request, trigramme):
     alcohol_density = 0.8
     now = timezone.localtime(timezone.now())
     # une soirée va de XXh à 06h
-    if time(18) <= now.time() or now.time() <= time(6):
-        begin_time = datetime.combine(now.date(), time(18))
+    if time(21) <= now.time() or now.time() <= time(6):
+        begin_time = datetime.combine(now.date(), time(21))
         # si on est après minuit, il faut retrancher un jour
         if now.time() <= time(6):
             begin_time -= timedelta(days=1)