diff --git a/geruecht/controller/userController.py b/geruecht/controller/userController.py
index 5d912c4..8578da7 100644
--- a/geruecht/controller/userController.py
+++ b/geruecht/controller/userController.py
@@ -78,17 +78,25 @@ class UserController(metaclass=Singleton):
 
     def getLockedDay(self, date):
         now = datetime.now()
-        daysInMonth = calendar.monthrange(date.year, date.month)[1]
-        startMonth = 1
+        oldMonth = False
         for i in range(1, 8):
-            if datetime(date.year, date.month, i).weekday() == 2:
-                startMonth = i
+            if datetime(now.year, now.month, i).weekday() == 2:
+                if now.day < i:
+                    oldMonth = True
+                    break
+        lockedYear = date.year
+        lockedMonth = date.month if date.month < now.month else now.month - 1 if oldMonth else now.month
+        daysInMonth = calendar.monthrange(lockedYear, lockedMonth)[1]
+        startDay = 1
+        for i in range(1, 8):
+            if datetime(lockedYear, lockedMonth, i).weekday() == 2:
+                startDay = i
                 break
-        if date.year <= now.year and date.month <= now.month:
-            for i in range(startMonth, daysInMonth + 1):
-                self.setLockedDay(datetime(date.year, date.month, i), True)
+        if lockedYear <= now.year and lockedMonth <= now.month:
+            for i in range(startDay, daysInMonth + 1):
+                self.setLockedDay(datetime(lockedYear, lockedMonth, i), True)
             for i in range(1, 8):
-                nextMonth = datetime(date.year, date.month + 1, i)
+                nextMonth = datetime(lockedYear, lockedMonth + 1, i)
                 if nextMonth.weekday() == 2:
                     break
                 self.setLockedDay(nextMonth, True)