diff --git a/src/System.Windows.Forms/System/Windows/Forms/Controls/MonthCalendar/MonthCalendar.cs b/src/System.Windows.Forms/System/Windows/Forms/Controls/MonthCalendar/MonthCalendar.cs
index 84f0f5ca331..615a981ad36 100644
--- a/src/System.Windows.Forms/System/Windows/Forms/Controls/MonthCalendar/MonthCalendar.cs
+++ b/src/System.Windows.Forms/System/Windows/Forms/Controls/MonthCalendar/MonthCalendar.cs
@@ -1428,6 +1428,8 @@ protected override void OnGotFocus(EventArgs e)
     {
         base.OnGotFocus(e);
 
+        NotifyWinEvent(AccessibleEvents.Focus);
+
         if (IsAccessibilityObjectCreated)
         {
             ((MonthCalendarAccessibleObject)AccessibilityObject).FocusedCell?.RaiseAutomationEvent(UIA_EVENT_ID.UIA_AutomationFocusChangedEventId);
@@ -2063,8 +2065,9 @@ private unsafe void WmDateChanged(ref Message m)
         _selectionStart = start;
         _selectionEnd = end;
 
-        AccessibilityNotifyClients(AccessibleEvents.NameChange, -1);
-        AccessibilityNotifyClients(AccessibleEvents.ValueChange, -1);
+        NotifyWinEvent(AccessibleEvents.Focus);
+        NotifyWinEvent(AccessibleEvents.NameChange);
+        NotifyWinEvent(AccessibleEvents.ValueChange);
 
         // We should use the Date for comparison in this case. The user can work in the calendar only with dates,
         // while the minimum / maximum date can contain the date and custom time, which, when comparing Ticks,
@@ -2094,6 +2097,25 @@ private unsafe void WmDateChanged(ref Message m)
         OnDateChanged(new DateRangeEventArgs(start, end));
     }
 
+    private void NotifyWinEvent(AccessibleEvents accessibleEvent)
+    {
+        try
+        {
+            if (IsHandleCreated)
+            {
+                PInvoke.NotifyWinEvent(
+                    (uint)accessibleEvent,
+                    this,
+                    (int)OBJECT_IDENTIFIER.OBJID_CLIENT,
+                    (int)PInvoke.CHILDID_SELF);
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.Fail($"NotifyWinEvent failed: {ex.Message}");
+        }
+    }
+
     /// <summary>
     ///  Handles the MCN_GETDAYSTATE notification by returning an array of bitmasks, one entry per month,
     ///  that specifies which dates to display in bold.