diff --git a/mycaldav/models.py b/mycaldav/models.py
index bb9a9a6..002c635 100644
--- a/mycaldav/models.py
+++ b/mycaldav/models.py
@@ -45,9 +45,18 @@ class caldav_sync_manager(models.Model):
 
     def init_task_management(self):
         today = datetime.now()
+        
         o_caldav_sync_management = caldav_sync_manager.objects.filter(dtDate=today.date())
         if not o_caldav_sync_management.exists():
-            self.copy_caldav_data()   
+            self.copy_caldav_data(today)   
+            print(f"synced events")        
+        else:
+            print("pas de copy, sync déjà fait")
+
+        last_month =  today - relativedelta(months=1)
+        o_caldav_sync_management = caldav_sync_manager.objects.filter(dtDate=last_month.date())
+        if not o_caldav_sync_management.exists():
+            self.copy_caldav_data(last_month) 
             print(f"synced events")        
         else:
             print("pas de copy, sync déjà fait")
@@ -56,12 +65,12 @@ class caldav_sync_manager(models.Model):
 
             
     
-    def copy_caldav_data(self,):
+    def copy_caldav_data(self, today):
         ctx = ssl.create_default_context()
         ctx.check_hostname = False
         ctx.verify_mode = ssl.CERT_NONE
 
-        today = datetime.now()
+        
         seeked_date = today + relativedelta(months=1)
         sync_date = today + relativedelta(months=1, days=1)
         modified_url = caldav_cfg["task_config"] + f"&start={int(today.timestamp())}&end={int(sync_date.timestamp())}&expand=1"