diff --git a/FrontEnd/src/app/tests/test-details/test-details.component.html b/FrontEnd/src/app/tests/test-details/test-details.component.html
index 17de703..2a75269 100644
--- a/FrontEnd/src/app/tests/test-details/test-details.component.html
+++ b/FrontEnd/src/app/tests/test-details/test-details.component.html
@@ -22,7 +22,7 @@
         Poprzednia odpowiedź była niepoprawna.
       </div>
 
-      <div *ngIf="!isStarted && (test['permission'] !== 'GROUP' || (test['permission'] === 'GROUP' && !test['attempted']))">
+      <div *ngIf="!isStarted && (test['permission'] !== 'GROUP' || (test['permission'] === 'GROUP' && !test['attempted'] && (test['dateStart'] < now && test['dateEnd'] < now)))">
         <br /><br />
         <button class="button" (click)="start()"> <i class="far fa-play-circle"></i> Rozpocznij test</button>
       </div>
diff --git a/FrontEnd/src/app/tests/test-details/test-details.component.ts b/FrontEnd/src/app/tests/test-details/test-details.component.ts
index b6b4211..6b62c03 100644
--- a/FrontEnd/src/app/tests/test-details/test-details.component.ts
+++ b/FrontEnd/src/app/tests/test-details/test-details.component.ts
@@ -28,6 +28,7 @@ export class TestDetailsComponent implements OnInit, OnDestroy {
   getResultSubscription: ISubscription;
   getTestWithoutAnswersSubscription: ISubscription;
   display = false;
+  now = Date.now();
 
   constructor(private route: ActivatedRoute, private router: Router, private testService: TestsService,
     private routingState: RoutingStateService) { }