diff --git a/lib/pages/visitor_password/bloc/visitor_password_bloc.dart b/lib/pages/visitor_password/bloc/visitor_password_bloc.dart
index 438b1abf..6dc20cfd 100644
--- a/lib/pages/visitor_password/bloc/visitor_password_bloc.dart
+++ b/lib/pages/visitor_password/bloc/visitor_password_bloc.dart
@@ -68,7 +68,7 @@ class VisitorPasswordBloc
   DateTime? startTime = DateTime.now();
   DateTime? endTime;
 
-  String startTimeAccess = 'Start Time';
+  String startTimeAccess = DateTime.now().toString().split('.').first;
   String endTimeAccess = 'End Time';
   PasswordStatus? passwordStatus;
   selectAccessType(
@@ -136,6 +136,27 @@ class VisitorPasswordBloc
             );
             return;
           }
+          if(selectedTimestamp < DateTime.now().millisecondsSinceEpoch ~/ 1000) {
+            if(selectedTimestamp < DateTime.now().millisecondsSinceEpoch ~/ 1000) {
+              await showDialog<void>(
+                context: event.context,
+                builder: (context) => AlertDialog(
+                  title: const Text('Effective Time cannot be earlier than current time.'),
+                  actionsAlignment: MainAxisAlignment.center,
+                  content: 
+                    FilledButton(
+                      onPressed: () {
+                        Navigator.of(event.context).pop();
+                        add(SelectTimeVisitorPassword(context: event.context, isStart: true, isRepeat: false));
+                      },
+                      child: const Text('OK'),
+                    ),
+                  
+                ),
+              );
+            }
+            return;
+          }
           effectiveTimeTimeStamp = selectedTimestamp;
           startTimeAccess = selectedDateTime.toString().split('.').first;
         } else {