diff --git a/mycaldav/models.py b/mycaldav/models.py
index c644a3b..d7de68f 100644
--- a/mycaldav/models.py
+++ b/mycaldav/models.py
@@ -2,6 +2,7 @@ from datetime import datetime, timedelta, time
 from django.contrib.auth.models import User
 import datetime as Datetime
 import pickle
+import pytz
 import os
 from dateutil.relativedelta import relativedelta
 
@@ -347,6 +348,26 @@ class cls_caldav_client():
                 event.vobject_instance.vevent.summary.value = summary
                 event.save()
 
+    def change_utc_to_zurich_all_events(self,calandar):
+        events = calandar.date_search(start=datetime(2023, 1, 1), end=datetime.now() + relativedelta(years=1),
+                                      expand=True)
+
+        for event in events:
+            start = event.vobject_instance.vevent.dtstart.value
+            end = event.vobject_instance.vevent.dtend.value
+
+            if start.hour < 12:
+                new_start = datetime(start.year, start.month, start.day,7,0,0, tzinfo = pytz.timezone("Europe/Zurich"))
+                new_end = datetime(start.year, start.month, start.day, 19, 0, 0, tzinfo=pytz.timezone("Europe/Zurich"))
+            elif start.hour > 12:
+                new_start = datetime(start.year, start.month, start.day,19,0,0, tzinfo = pytz.timezone("Europe/Zurich"))
+                new_end = datetime(start.year, start.month, end.day, 7, 0, 0, tzinfo=pytz.timezone("Europe/Zurich"))
+
+            print(new_start)
+            event.vobject_instance.vevent.dtstart.value = new_start
+            event.vobject_instance.vevent.dtend.value = new_end
+            event.save()
+
 
 
 class _caldav_item():
diff --git a/mycaldav/views.py b/mycaldav/views.py
index 6b54b58..7763b20 100644
--- a/mycaldav/views.py
+++ b/mycaldav/views.py
@@ -80,6 +80,9 @@ def view_op_caldav(request):
 
 @xframe_options_exempt
 def view_team_caldav(request):
+    #Change timezone
+    #myclient = cls_caldav_client()
+    #myclient.change_utc_to_zurich_all_events(myclient.a_team)
     o_caldav = cls_caldav(url=caldav_cfg["team"])
     o_caldav.get_caldav_data(periode=3)
     template = loader.get_template("team/team_view.html")