diff --git a/backend/Dockerfile b/backend/Dockerfile
index ca6c162..7bb20d7 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,9 +1,15 @@
+FROM maven:3.8.1-openjdk-17-slim AS build
+COPY src /home/app/src
+COPY pom.xml /home/app
+RUN mvn -f /home/app/pom.xml clean test package
+
+
 FROM openjdk:17-jdk-alpine
 RUN addgroup -S spring && adduser -S spring -G spring
 USER spring:spring
 
-ARG JAR_FILE=target/*.jar
-COPY ${JAR_FILE} app.jar
-
+#ARG JAR_FILE=target/*.jar
+#COPY ${JAR_FILE} app.jar
+COPY --from=build /home/app/target/*.jar app.jar
 EXPOSE 8080
 ENTRYPOINT ["java","-jar","/app.jar"]
\ No newline at end of file
diff --git a/backend/src/main/java/core/api/controller/ScheduleController.java b/backend/src/main/java/core/api/controller/ScheduleController.java
index 8cd2d83..3949347 100644
--- a/backend/src/main/java/core/api/controller/ScheduleController.java
+++ b/backend/src/main/java/core/api/controller/ScheduleController.java
@@ -75,10 +75,18 @@ public class ScheduleController {
 
         if(scheduleFieldInfo instanceof BasicScheduleFieldInfo) {
             ServiceResult<AbstractSchedule> scheduleResult = taskScheduleService.scheduleBasic(permissionResult.getResult(), (BasicScheduleFieldInfo) scheduleFieldInfo);
+            if(scheduleResult.getExitCode() == ServiceExitCode.INVALID_OPERATION) {
+                return ResponseEntity.status(400).body(new SimpleStatusResponse("failed"));
+            }
             return ResponseEntity.ok(scheduleResult.getResult().toScheduleInfo());
         } else if(scheduleFieldInfo instanceof AdvancedScheduleFieldInfo) {
             ServiceResult<AbstractSchedule> scheduleResult = taskScheduleService.scheduleAdvanced(permissionResult.getResult(), (AdvancedScheduleFieldInfo) scheduleFieldInfo);
-            return ResponseEntity.ok(scheduleResult.getResult().toScheduleInfo());
+            if(scheduleResult.getResult() != null) {
+                return ResponseEntity.ok(scheduleResult.getResult().toScheduleInfo());
+            } else {
+                return ResponseEntity.status(400).body(new SimpleStatusResponse("failed"));
+            }
+
         } else {
             return ResponseEntity.status(400).body(new SimpleStatusResponse("failed"));
         }
diff --git a/backend/src/main/java/core/api/models/timemanager/taskSchedule/TaskScheduleStopResponse.java b/backend/src/main/java/core/api/models/timemanager/taskSchedule/TaskScheduleStopResponse.java
index 3c35886..14facaa 100644
--- a/backend/src/main/java/core/api/models/timemanager/taskSchedule/TaskScheduleStopResponse.java
+++ b/backend/src/main/java/core/api/models/timemanager/taskSchedule/TaskScheduleStopResponse.java
@@ -2,17 +2,17 @@ package core.api.models.timemanager.taskSchedule;
 
 public class TaskScheduleStopResponse {
 
-    private int activeTime;
+    private int workTime;
 
     public TaskScheduleStopResponse(int activeTime) {
-        this.activeTime = activeTime;
+        this.workTime = activeTime;
     }
 
-    public int getActiveTime() {
-        return activeTime;
+    public int getWorkTime() {
+        return workTime;
     }
 
-    public void setActiveTime(int activeTime) {
-        this.activeTime = activeTime;
+    public void setWorkTime(int workTime) {
+        this.workTime = workTime;
     }
 }
diff --git a/backend/src/main/java/core/api/models/timemanager/taskSchedule/scheduleInfos/BasicScheduleFieldInfo.java b/backend/src/main/java/core/api/models/timemanager/taskSchedule/scheduleInfos/BasicScheduleFieldInfo.java
index 636b381..245140e 100644
--- a/backend/src/main/java/core/api/models/timemanager/taskSchedule/scheduleInfos/BasicScheduleFieldInfo.java
+++ b/backend/src/main/java/core/api/models/timemanager/taskSchedule/scheduleInfos/BasicScheduleFieldInfo.java
@@ -8,6 +8,7 @@ import java.time.LocalDate;
 public class BasicScheduleFieldInfo extends ScheduleFieldInfo{
 
     @NotNull
+    @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
     private LocalDate scheduleDate;
 
     public BasicScheduleFieldInfo(LocalDate localDate) {
diff --git a/backend/src/main/java/core/api/models/timemanager/tasks/TaskFieldInfo.java b/backend/src/main/java/core/api/models/timemanager/tasks/TaskFieldInfo.java
index d4f2cf9..1cf7335 100644
--- a/backend/src/main/java/core/api/models/timemanager/tasks/TaskFieldInfo.java
+++ b/backend/src/main/java/core/api/models/timemanager/tasks/TaskFieldInfo.java
@@ -1,5 +1,6 @@
 package core.api.models.timemanager.tasks;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.NotBlank;
@@ -11,7 +12,11 @@ public class TaskFieldInfo {
     @Length(max = 255)
     private String taskName;
     private int eta;
+
+    @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
     private LocalDate startDate;
+
+    @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
     private LocalDate deadline;
 
     public TaskFieldInfo() {
diff --git a/backend/src/main/java/core/api/models/timemanager/tasks/TaskOverviewInfo.java b/backend/src/main/java/core/api/models/timemanager/tasks/TaskOverviewInfo.java
index d4d701b..80a5918 100644
--- a/backend/src/main/java/core/api/models/timemanager/tasks/TaskOverviewInfo.java
+++ b/backend/src/main/java/core/api/models/timemanager/tasks/TaskOverviewInfo.java
@@ -1,8 +1,11 @@
 package core.api.models.timemanager.tasks;
 
+import core.api.models.timemanager.taskgroup.TaskgroupEntityInfo;
 import core.entities.timemanager.Task;
+import core.entities.timemanager.Taskgroup;
 
 import java.time.LocalDate;
+import java.util.List;
 
 public class TaskOverviewInfo {
 
@@ -13,6 +16,7 @@ public class TaskOverviewInfo {
     private LocalDate limit;
     private boolean overdue;
 
+
     public TaskOverviewInfo(Task task) {
         this.taskID = task.getTaskID();
         this.taskName = task.getTaskName();
diff --git a/backend/src/main/java/core/entities/timemanager/Taskgroup.java b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
index 6fc92e1..bdf42ca 100644
--- a/backend/src/main/java/core/entities/timemanager/Taskgroup.java
+++ b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
@@ -92,11 +92,13 @@ public class Taskgroup {
     public static List<Taskgroup> getAncestorList(Taskgroup taskgroup) {
         List<Taskgroup> ancestors = new ArrayList<>();
         Taskgroup currentTaskgroup = taskgroup;
+        ancestors.add(taskgroup);
         while(currentTaskgroup.parent != null) {
             ancestors.add(currentTaskgroup.parent);
             currentTaskgroup = currentTaskgroup.parent;
         }
-        //ancestors.add(taskgroup);
+
+        Collections.reverse(ancestors);
         return ancestors;
     }
 
diff --git a/backend/src/main/java/core/services/TaskScheduleService.java b/backend/src/main/java/core/services/TaskScheduleService.java
index 3f970a6..667c85e 100644
--- a/backend/src/main/java/core/services/TaskScheduleService.java
+++ b/backend/src/main/java/core/services/TaskScheduleService.java
@@ -96,6 +96,9 @@ public class TaskScheduleService {
     }
 
     public void deleteSchedule(AbstractSchedule schedule) {
+        schedule.getTask().getBasicTaskSchedules().remove(schedule);
+        schedule.setTask(null);
+        scheduleRepository.save(schedule);
         scheduleRepository.delete(schedule);
     }
 
diff --git a/frontend/src/api/model/taskOverviewInfo.ts b/frontend/src/api/model/taskOverviewInfo.ts
index 90f3cc1..b8a681c 100644
--- a/frontend/src/api/model/taskOverviewInfo.ts
+++ b/frontend/src/api/model/taskOverviewInfo.ts
@@ -3,15 +3,16 @@
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
  * The version of the OpenAPI document: 1.0
- * 
+ *
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
+import { TaskgroupEntityInfo } from './taskgroupEntityInfo';
 
 
-export interface TaskOverviewInfo { 
+export interface TaskOverviewInfo {
     /**
      * internal id of task
      */
diff --git a/frontend/src/app/app-routing.module.ts b/frontend/src/app/app-routing.module.ts
index 7c0a94c..31b612f 100644
--- a/frontend/src/app/app-routing.module.ts
+++ b/frontend/src/app/app-routing.module.ts
@@ -11,6 +11,7 @@ import {MissedSchedulesComponent} from "./missed-schedules/missed-schedules.comp
 import {OverdueTaskOverviewComponent} from "./overdue-task-overview/overdue-task-overview.component";
 import {UpcomingTaskOverviewComponent} from "./upcoming-task-overview/upcoming-task-overview.component";
 import {ActiveTaskOverviewComponent} from "./active-task-overview/active-task-overview.component";
+import {DraggableSchedulerComponent} from "./schedules/draggable-scheduler/draggable-scheduler.component";
 
 const routes: Routes = [
   {path: '', component: MainComponent},
@@ -24,7 +25,8 @@ const routes: Routes = [
   {path: 'reschedule', component: MissedSchedulesComponent},
   {path: 'overdue', component: OverdueTaskOverviewComponent},
   {path: 'upcoming', component: UpcomingTaskOverviewComponent},
-  {path: 'active', component: ActiveTaskOverviewComponent}
+  {path: 'active', component: ActiveTaskOverviewComponent},
+  {path: 'scheduler', component: DraggableSchedulerComponent}
 ];
 
 @NgModule({
diff --git a/frontend/src/app/app.component.html b/frontend/src/app/app.component.html
index c242a74..ab245f6 100644
--- a/frontend/src/app/app.component.html
+++ b/frontend/src/app/app.component.html
@@ -4,6 +4,7 @@
   <button mat-button aria-label="Organize" *ngIf="authService.hasKey" [matMenuTriggerFor]="organizeMenu">Organize &#9662;</button>
   <mat-menu #organizeMenu=matMenu>
     <button mat-menu-item routerLink="taskgroups/" aria-label="Task groups">Taskgroups</button>
+    <button mat-menu-item routerLink="scheduler/" aria-label="Task groups">Scheduler</button>
     <button mat-menu-item routerLink="active/" aria-label="Missed Schedules">Active Tasks</button>
     <button mat-menu-item routerLink="upcoming/" aria-label="Upcoming Tasks">Upcoming Tasks</button>
     <button mat-menu-item routerLink="overdue/" aria-label="Overdue Tasks">Overdue Tasks</button>
diff --git a/frontend/src/app/app.module.ts b/frontend/src/app/app.module.ts
index 807766c..24254ec 100644
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -79,6 +79,7 @@ import {NgxMaterialTimepickerModule} from "ngx-material-timepicker";
 import { DateTimePickerComponent } from './date-time-picker/date-time-picker.component';
 import {MatSliderModule} from "@angular/material/slider";
 import {MatLegacySliderModule} from "@angular/material/legacy-slider";
+import { DraggableSchedulerComponent } from './schedules/draggable-scheduler/draggable-scheduler.component';
 @NgModule({
   declarations: [
     AppComponent,
@@ -117,7 +118,8 @@ import {MatLegacySliderModule} from "@angular/material/legacy-slider";
     UpcomingTaskOverviewComponent,
     ActiveTaskOverviewComponent,
     AdvancedSchedulerComponent,
-    DateTimePickerComponent
+    DateTimePickerComponent,
+    DraggableSchedulerComponent,
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/src/app/dashboard/active-schedule/active-schedule.component.html b/frontend/src/app/dashboard/active-schedule/active-schedule.component.html
index a7d1ee1..ff04003 100644
--- a/frontend/src/app/dashboard/active-schedule/active-schedule.component.html
+++ b/frontend/src/app/dashboard/active-schedule/active-schedule.component.html
@@ -10,7 +10,7 @@
   </mat-card-header>
   <mat-card-content>
     <span *ngFor="let taskgroupPath of activeSchedule!.taskgroupPath">{{taskgroupPath.taskgroupName}} /</span>
-    <p class="gray-text" *ngIf="activeSchedule!.scheduleType==='BASIC'">Running for {{displayTime}}</p>
+    <p class="gray-text">Running for {{displayTime}}</p>
   </mat-card-content>
   <mat-card-actions>
     <button mat-raised-button class="grayBtn" (click)="stopTask(false)">Stop</button>
diff --git a/frontend/src/app/dashboard/active-schedule/active-schedule.component.ts b/frontend/src/app/dashboard/active-schedule/active-schedule.component.ts
index cd36f86..2acf67c 100644
--- a/frontend/src/app/dashboard/active-schedule/active-schedule.component.ts
+++ b/frontend/src/app/dashboard/active-schedule/active-schedule.component.ts
@@ -63,6 +63,7 @@ export class ActiveScheduleComponent implements OnInit{
           schedule: this.activeSchedule!,
           workedMinutes: resp.workTime
         })
+        console.log(resp.workTime)
         this.activeSchedule = undefined
       }
     })
diff --git a/frontend/src/app/dashboard/dashboard.component.ts b/frontend/src/app/dashboard/dashboard.component.ts
index d3a1283..0fec900 100644
--- a/frontend/src/app/dashboard/dashboard.component.ts
+++ b/frontend/src/app/dashboard/dashboard.component.ts
@@ -18,7 +18,7 @@ import {TaskOverviewData} from "./taskgroup-overview/taskgroup-overview.componen
 })
 export class DashboardComponent implements OnInit{
 
-  missedSchedules: boolean = true
+  missedSchedules: boolean = false
   schedules: ScheduleInfo[] = []
   workedMinutesToday: number = 0
 
diff --git a/frontend/src/app/navigation-link-list/navigation-link-list.component.ts b/frontend/src/app/navigation-link-list/navigation-link-list.component.ts
index 8387aee..21d6d78 100644
--- a/frontend/src/app/navigation-link-list/navigation-link-list.component.ts
+++ b/frontend/src/app/navigation-link-list/navigation-link-list.component.ts
@@ -11,6 +11,11 @@ export interface NavigationLink {
   styleUrls: ['./navigation-link-list.component.css']
 })
 export class NavigationLinkListComponent implements OnInit{
+  resetComponent(defaultNavigationLinkPath: NavigationLink[]) {
+      this.navigationLinks = defaultNavigationLinkPath;
+      console.log("Navigation Links: ")
+      console.log(this.navigationLinks)
+  }
 
 
 
@@ -27,7 +32,10 @@ export class NavigationLinkListComponent implements OnInit{
     }
 
     if(this.navigationLinks.find(searchedLink => searchedLink.linkText === linkText) === undefined) {
+      console.log("Test")
       this.navigationLinks.push(navigationLink);
+    } else {
+      console.log(linkText)
     }
   }
 
diff --git a/frontend/src/app/overdue-task-overview/overdue-task-overview.component.html b/frontend/src/app/overdue-task-overview/overdue-task-overview.component.html
index 9fd9445..94a2aab 100644
--- a/frontend/src/app/overdue-task-overview/overdue-task-overview.component.html
+++ b/frontend/src/app/overdue-task-overview/overdue-task-overview.component.html
@@ -4,9 +4,9 @@
     <mat-card-content>
       <h3>
         <span *ngFor="let taskgroup of task.taskgroups">
-          <a class="undecorated-link">{{taskgroup.taskgroupName}}</a>/
+          <a class="undecorated-link" [routerLink]="['/taskgroups', taskgroup.taskgroupID]">{{taskgroup.taskgroupName}}</a>/
         </span>
-        <a class="undecorated-link">{{task.taskName}}</a>
+        <a class="undecorated-link" [routerLink]="['/taskgroups', task.taskgroups[task.taskgroups.length-1].taskgroupID, 'tasks', task.taskID]">{{task.taskName}}</a>
       </h3>
       <mat-progress-bar mode="determinate" [value]="calcProgress(task)"></mat-progress-bar>
       <div class="originally-planned-container">
diff --git a/frontend/src/app/schedules/basic-scheduler/basic-scheduler.component.ts b/frontend/src/app/schedules/basic-scheduler/basic-scheduler.component.ts
index f3c81e7..473ff71 100644
--- a/frontend/src/app/schedules/basic-scheduler/basic-scheduler.component.ts
+++ b/frontend/src/app/schedules/basic-scheduler/basic-scheduler.component.ts
@@ -9,6 +9,7 @@ import {
 } from "../../../api";
 import {MatSnackBar} from "@angular/material/snack-bar";
 import {Router} from "@angular/router";
+import * as moment from "moment";
 
 @Component({
   selector: 'app-basic-scheduler',
@@ -36,7 +37,7 @@ export class BasicSchedulerComponent implements OnChanges{
     if(this.task != undefined) {
       if(this.scheduleEntityInfo == undefined) {
         this.scheduleService.schedulesTaskIDBasicPut(this.task.taskID, {
-          scheduleDate: this.dateCtrl.value
+          scheduleDate: moment(this.dateCtrl.value).format('YYYY-MM-DDTHH:mm:ss.SSSZ')
         }).subscribe({
           next: resp => {
             this.scheduleEmitter.emit(resp as BasicScheduleInfo);
@@ -44,7 +45,7 @@ export class BasicSchedulerComponent implements OnChanges{
         })
       } else {
         this.scheduleService.schedulesScheduleIDBasicPost(this.scheduleEntityInfo!.scheduleID, {
-          scheduleDate: this.dateCtrl.value
+          scheduleDate: moment(this.dateCtrl.value).format('YYYY-MM-DDTHH:mm:ss.SSSZ')
         }).subscribe({
           next: resp => {
             this.router.navigateByUrl("/taskgroups/" + this.taskgroup!.taskgroupID + "/tasks/" + this.task!.taskID);
diff --git a/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.css b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.css
new file mode 100644
index 0000000..bbd0712
--- /dev/null
+++ b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.css
@@ -0,0 +1,60 @@
+.container {
+  margin: 20px auto;
+  width: 80%;
+}
+
+.spacer {
+  margin-bottom: 2.5%;
+}
+
+
+@media screen and (max-width: 600px) {
+  .container {
+    width: 100%;
+    margin: 20px 10px;
+  }
+}
+
+.schedule-header {
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.long-form {
+  width: 100%;
+}
+
+.taskgroup-overview {
+  width: 90%;
+  display: inline-block;
+}
+
+app-task-overview {
+  margin-top: 20px;
+}
+
+::ng-deep .mat-mdc-list-base {
+  --mdc-list-list-item-label-text-color: black
+}
+
+::ng-deep .mat-mdc-list-base .taskgroup-btn, ::ng-deep .mat-mdc-list-base .taskgroup-last-btn  {
+  --mdc-list-list-item-label-text-color: black
+}
+
+.task-card {
+  background-color: #f3f3f3;
+  border: 0;
+  line-height: 4em;
+}
+
+
+.lightBlueBtn {
+  background-color: #3498db;
+  color: white;
+}
+
+::ng-deep .cal-event-title {
+
+}
diff --git a/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.html b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.html
new file mode 100644
index 0000000..3e1412a
--- /dev/null
+++ b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.html
@@ -0,0 +1,54 @@
+
+<div class="container">
+  <app-navigation-link-list #navLinkList [navigationLinks]="defaultNavigationLinkPath"></app-navigation-link-list>
+
+  <div class="schedule-header">
+    <h1>Monday, {{ viewDate | calendarDate:(view + 'ViewTitle'):'en':1 }}</h1>
+    <mat-form-field style="float:right;">
+      <mat-label>Schedule Strategy</mat-label>
+      <mat-select [(ngModel)]="scheduleStrategy">
+        <mat-option [value]="1">Basic</mat-option>
+        <!--<mat-option [value]="2">Moderate</mat-option>-->
+        <mat-option [value]="3">Advanced</mat-option>
+      </mat-select>
+    </mat-form-field>
+  </div>
+  <div style="display: flex; justify-content: space-between;">
+    <div style="width: 75%">
+      <mwl-calendar-week-view [viewDate]="viewDate" [daysInWeek]="daysInWeek" [dayStartHour]="7" [dayEndHour]="21" [refresh]="refresh"
+                              [snapDraggedEvents]="false"
+                              (eventTimesChanged)="eventDropped($event)" [events]="events" (eventClicked)="eventClicked('Click', $event.event)"
+      >
+      </mwl-calendar-week-view>
+    </div>
+    <div style="width: 23%;">
+      <div *ngIf="tasks.length > 0">
+        <mat-action-list style="padding: 0;">
+          <button mat-list-item class="lightBlueBtn" [routerLink]="['/scheduler']">Tasks</button>
+        </mat-action-list>
+        <div style="margin-bottom: 20px">
+          <div mwlDroppable
+               (drop)="externalDrop($event.dropData.event)"
+               dragOverClass="drag-over">
+            <div *ngFor="let event of tasks"  mwlDraggable
+                 [dropData]="{event: event}"
+                 [touchStartLongPress]="{ delay: 300, delta: 30 }"
+                 dragActiveClass="drag-active" class="task-card">
+              <div>
+                <a href="javascript:;" [style.color]="event.color" style="text-decoration: none; color: black; margin-left: 20px">
+                  {{ event.title }}
+                </a>
+              </div>
+            </div>
+          </div>
+        </div>
+
+      </div>
+      <app-taskgroup-overview (taskgroupSelected)="onSelectTaskgroup($event)"></app-taskgroup-overview>
+    </div>
+
+
+  </div>
+
+
+</div>
diff --git a/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.spec.ts b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.spec.ts
new file mode 100644
index 0000000..786eca5
--- /dev/null
+++ b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.spec.ts
@@ -0,0 +1,21 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DraggableSchedulerComponent } from './draggable-scheduler.component';
+
+describe('DraggableSchedulerComponent', () => {
+  let component: DraggableSchedulerComponent;
+  let fixture: ComponentFixture<DraggableSchedulerComponent>;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [DraggableSchedulerComponent]
+    });
+    fixture = TestBed.createComponent(DraggableSchedulerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.ts b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.ts
new file mode 100644
index 0000000..23e6ac5
--- /dev/null
+++ b/frontend/src/app/schedules/draggable-scheduler/draggable-scheduler.component.ts
@@ -0,0 +1,285 @@
+import {Component, ViewChild} from '@angular/core';
+import {NavigationLink, NavigationLinkListComponent} from "../../navigation-link-list/navigation-link-list.component";
+import {
+    AdvancedScheduleInfo,
+    BasicScheduleInfo,
+    ScheduleInfo,
+    ScheduleService,
+    TaskEntityInfo,
+    TaskgroupEntityInfo,
+    TaskOverviewInfo, TaskShortInfo
+} from "../../../api";
+import {Subject} from "rxjs";
+import {CalendarEvent, CalendarEventAction, CalendarEventTimesChangedEvent, CalendarView} from "angular-calendar";
+import {TaskOverviewData} from "../../dashboard/taskgroup-overview/taskgroup-overview.component";
+import {EventColor} from "calendar-utils";
+import * as moment from "moment";
+import {Router} from "@angular/router";
+
+const colors: Record<string, EventColor> = {
+  red: {
+    primary: '#ad2121',
+    secondary: '#FAE3E3',
+  },
+  blue: {
+    primary: '#1e90ff',
+    secondary: '#D1E8FF',
+  },
+  yellow: {
+    primary: '#e3bc08',
+    secondary: '#FDF1BA',
+  },
+};
+@Component({
+  selector: 'app-draggable-scheduler',
+  templateUrl: './draggable-scheduler.component.html',
+  styleUrls: ['./draggable-scheduler.component.css'],
+  styles: [
+        `
+      h3 {
+        margin: 0 0 10px;
+      }
+
+      pre {
+        background-color: #f5f5f5;
+        padding: 15px;
+      }
+    `,
+  ],
+})
+export class DraggableSchedulerComponent {
+  defaultNavigationLinkPath: NavigationLink[] = [
+    {
+      linkText: "Dashboard",
+      routerLink: ['/']
+    },
+    {
+      linkText: "Taskgroups",
+      routerLink: ["/taskgroups"]
+    }
+  ]
+  taskgroups: TaskgroupEntityInfo[] = []
+  taskgroup: TaskgroupEntityInfo | undefined
+  taskgroupPath: TaskgroupEntityInfo[] = []
+  taskgroupID: number = -1;
+  scheduleID: number = -1;
+  editedSchedule: ScheduleInfo | undefined
+  @ViewChild('navLinkList') navLinkListComponent: NavigationLinkListComponent | undefined
+
+  task: TaskEntityInfo | undefined
+  scheduleStrategy: number = 1
+
+
+  /**************************************************/
+  //Calendar-Stuff
+  /**************************************************/
+  view: CalendarView = CalendarView.Week;
+  viewDate = new Date();
+  daysInWeek = 7;
+  refresh: Subject<void> = new Subject<void>()
+  events: CalendarEvent[] = []
+
+  actions: CalendarEventAction[] = [
+      {
+          label: '<i class="fas fa-fw fa-pencil-alt"></i>',
+          a11yLabel: 'Edit',
+          onClick: ({ event }: { event: CalendarEvent }): void => {
+            this.eventClicked('Edit', event)
+          },
+      },
+      {
+          label: '<i class="fas fa-fw fa-trash-alt"></i>',
+          a11yLabel: 'Delete',
+          onClick: ({ event }: { event: CalendarEvent }): void => {
+              this.eventClicked('Delete', event);
+          },
+      },
+  ]
+
+  tasks: CalendarEvent[] = []
+  selectedTaskgroupID: number | undefined
+
+  constructor(private scheduleService: ScheduleService,
+              private router: Router) {
+  }
+
+  ngOnInit() {
+    this.scheduleService.schedulesGet().subscribe({
+        next: resp => {
+          resp.forEach(schedule => {
+            if(schedule.scheduleType == 'BASIC') {
+              const basicSchedule = schedule as BasicScheduleInfo
+                this.events.push({
+                    title: this.computeTaskPath(schedule.taskgroupPath, schedule.task),
+                    color: colors['red'],
+                    start: new Date(basicSchedule.scheduleDate),
+                    actions: this.actions,
+                    allDay: true,
+                    draggable: true,
+                    resizable: {
+                        beforeStart: true,
+                        afterEnd: true
+                    },
+                    meta: {
+                        taskID: schedule.task.taskID,
+                        scheduleID: schedule.scheduleID,
+                        taskgroupID: schedule.taskgroupPath[0].taskgroupID
+                    },
+
+                })
+            } else {
+                const advancedSchedule = schedule as AdvancedScheduleInfo
+                this.events.push({
+                    title:  this.computeTaskPath(schedule.taskgroupPath, schedule.task),
+                    color: colors['red'],
+                    cssClass: 'test',
+                    start: new Date(advancedSchedule.scheduleStartTime),
+                    end: new Date(advancedSchedule.scheduleStopTime),
+                    actions: this.actions,
+                    draggable: true,
+                    resizable: {
+                        beforeStart: true,
+                        afterEnd: true
+                    },
+                    meta: {
+                        taskID: schedule.task.taskID,
+                        scheduleID: schedule.scheduleID,
+                        taskgroupID: schedule.taskgroupPath[0].taskgroupID
+                    },
+                })
+            }
+          });
+          console.log(this.events)
+          this.refresh.next();
+        }
+    })
+  }
+
+  onSelectTaskgroup(taskOverviewData: TaskOverviewData) {
+    this.tasks = [];
+    taskOverviewData.tasks.forEach(task => {
+      this.tasks.push({
+        title: task.taskName,
+        color: colors['yellow'],
+        start: new Date(),
+        draggable: true,
+        cssClass: 'test',
+        resizable: {
+          beforeStart: true,
+          afterEnd: true
+        },
+        meta: {
+          taskID: task.taskID,
+          scheduleID: undefined,
+          taskgroupID: taskOverviewData.taskgroupID
+        },
+        actions: this.actions
+      })
+    })
+    this.selectedTaskgroupID = taskOverviewData.taskgroupID;
+  }
+
+
+  externalDrop(event: CalendarEvent) {
+    if (this.tasks.indexOf(event) === -1) {
+      this.events = this.events.filter((iEvent) => iEvent !== event);
+      this.tasks.push(event);
+    }
+  }
+
+  eventDropped({
+                 event,
+                 newStart,
+                 newEnd,
+                 allDay,
+               }: CalendarEventTimesChangedEvent): void {
+    const externalIndex = this.tasks.indexOf(event);
+    if (typeof allDay !== 'undefined') {
+      event.allDay = allDay;
+    }
+    if (externalIndex > -1) {
+      this.tasks.splice(externalIndex, 1);
+      this.events.push(event);
+    }
+
+    event.start = newStart;
+    if (newEnd) {
+      event.end = newEnd;
+    }
+    this.events = [...this.events];
+
+    if(externalIndex > -1) {
+      //Create new schedule as a new event was dropped
+      if(event.allDay) {
+        this.scheduleService.schedulesTaskIDBasicPut(event.meta.taskID,{
+          scheduleDate: moment(event.start).format('YYYY-MM-DDTHH:mm:ss.SSSZ')
+        }).subscribe({
+            next: resp => {
+              event.meta.scheduleID = resp.scheduleID;
+              event.color = colors['red'];
+              event.title = this.computeTaskPath(resp.taskgroupPath, resp.task)
+            }
+        })
+      } else {
+        console.log("Start: " + event.start);
+        console.log("End: " + event.end);
+        if(event.end == undefined) {
+          event.end = moment(event.start).add(30, 'm').toDate()
+        }
+        this.scheduleService.schedulesTaskIDAdvancedPut(event.meta.taskID, {
+            scheduleStartTime: moment(event.start).format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
+            scheduleStopTime: moment(event.end).format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
+        }).subscribe({
+            next: resp => {
+                event.meta.scheduleID = resp.scheduleID;
+                event.color = colors['red'];
+                event.title = this.computeTaskPath(resp.taskgroupPath, resp.task)
+            }
+        })
+      }
+    } else {
+        if(event.allDay) {
+            this.scheduleService.schedulesScheduleIDBasicPost(event.meta.scheduleID,{
+                scheduleDate: moment(event.start).format('YYYY-MM-DDTHH:mm:ss.SSSZ')
+            }).subscribe({
+                next: resp => {
+                    console.log("Updated")
+                }
+            })
+        } else {
+            this.scheduleService.schedulesScheduleIDAdvancedPost(event.meta.scheduleID, {
+                scheduleStartTime: moment(event.start).format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
+                scheduleStopTime: moment(event.end).format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
+            }).subscribe({
+                next: resp => {
+                   console.log("Updated")
+                }
+            })
+        }
+    }
+  }
+
+  computeTaskPath(taskgroupPath: TaskgroupEntityInfo[], task: TaskShortInfo | TaskEntityInfo) {
+        let result = "";
+        taskgroupPath.forEach(taskgroupPathPart => {
+            result += taskgroupPathPart.taskgroupName + "/"
+        });
+        result += task!.taskName
+        return result;
+  }
+
+    eventClicked(action: string, event: CalendarEvent): void {
+        if(action == 'Click') {
+            this.router.navigateByUrl("/taskgroups/" + event.meta.taskgroupID + "/tasks/" + event.meta.taskID);
+        } else if(action == 'Edit') {
+            this.router.navigateByUrl("/taskgroups/" + event.meta.taskgroupID + "/tasks/" + event.meta.taskID + "/schedule/" + event.meta.scheduleID);
+        } else if(action == 'Delete') {
+            this.scheduleService.schedulesScheduleIDDelete(event.meta.scheduleID).subscribe({
+                next: resp => {
+                    this.events = this.events.filter(calendarEvent => calendarEvent.meta.scheduleID !== event.meta.scheduleID);
+                }
+            })
+        }
+
+    }
+}
diff --git a/frontend/src/app/schedules/scheduler/scheduler.component.css b/frontend/src/app/schedules/scheduler/scheduler.component.css
index 8793269..abdc086 100644
--- a/frontend/src/app/schedules/scheduler/scheduler.component.css
+++ b/frontend/src/app/schedules/scheduler/scheduler.component.css
@@ -26,3 +26,6 @@
   width: 100%;
 }
 
+::ng-deep .cal-event-title {
+  white-space: normal;
+}
diff --git a/frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts b/frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts
index 5dafbf6..79835b5 100644
--- a/frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts
+++ b/frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts
@@ -40,13 +40,24 @@ export class TaskgroupDashboardComponent implements OnInit {
   ngOnInit(): void {
     this.activatedRoute.paramMap.subscribe(params => {
       if(params.has('taskgroupID')) {
+        console.log("Update of taskgroup")
         this.taskgroupID = Number(params.get('taskgroupID'));
         this.taskgroupService.taskgroupsTaskgroupIDGet(this.taskgroupID).subscribe({
           next: resp => {
             this.taskgroups = resp.children
             this.taskgroupPath = resp.ancestors
             this.taskgroup = resp.taskgroupInfo;
-            this.navLinkListComponent!.addNavigationLink(this.taskgroup.taskgroupName, ['/taskgroups', this.taskgroup.taskgroupID.toString()])
+            this.navLinkListComponent!.resetComponent([
+              {
+                linkText: "Dashboard",
+                routerLink: ['/']
+              },
+              {
+                linkText: "Taskgroups",
+                routerLink: ["/taskgroups"]
+              }
+            ]);
+            console.log(this.taskgroups)
             this.taskgroupPath.forEach(taskgroupEntity => {
               this.navLinkListComponent!.addNavigationLink(taskgroupEntity.taskgroupName, ['/taskgroups', taskgroupEntity.taskgroupID.toString()]);
             })
diff --git a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
index 70061af..bacadd5 100644
--- a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
+++ b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
@@ -49,7 +49,16 @@ export class TaskDetailOverviewComponent implements OnInit {
             this.taskgroups = resp.children
             this.taskgroupPath = resp.ancestors
             this.taskgroup = resp.taskgroupInfo;
-            this.navLinkListComponent!.addNavigationLink(this.taskgroup.taskgroupName, ['/taskgroups', this.taskgroup.taskgroupID.toString()])
+            this.navLinkListComponent!.resetComponent([
+              {
+                linkText: "Dashboard",
+                routerLink: ['/']
+              },
+              {
+                linkText: "Taskgroups",
+                routerLink: ["/taskgroups"]
+              }
+            ]);
             this.taskgroupPath.forEach(taskgroupEntity => {
               this.navLinkListComponent!.addNavigationLink(taskgroupEntity.taskgroupName, ['/taskgroups', taskgroupEntity.taskgroupID.toString()]);
             })
diff --git a/frontend/src/app/tasks/task-editor/task-editor.component.ts b/frontend/src/app/tasks/task-editor/task-editor.component.ts
index 7752773..ab05b42 100644
--- a/frontend/src/app/tasks/task-editor/task-editor.component.ts
+++ b/frontend/src/app/tasks/task-editor/task-editor.component.ts
@@ -7,6 +7,7 @@ import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
 import {TaskService} from "../../../api";
 import {TaskEditorData} from "./TaskEditorData";
 import {MatSnackBar} from "@angular/material/snack-bar";
+import * as moment from "moment/moment";
 
 
 @Component({
@@ -53,8 +54,8 @@ export class TaskEditorComponent implements OnInit {
     this.taskService.tasksTaskgroupIDPut(this.editorData.taskgroupID, {
       taskName: this.nameCtrl.value,
       eta: this.etaCtrl.value,
-      startDate: this.startDate.value,
-      deadline: this.endDate.value
+      startDate: moment(this.startDate.value).format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
+      deadline: moment(this.endDate.value).format('YYYY-MM-DDTHH:mm:ss.SSSZ')
     }).subscribe({
       next: resp => {
         this.dialog.close(resp);
diff --git a/frontend/src/index.html b/frontend/src/index.html
index 018656c..fecc517 100644
--- a/frontend/src/index.html
+++ b/frontend/src/index.html
@@ -11,6 +11,7 @@
   <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap" rel="stylesheet">
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
   <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
+  <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>
  </head>
 <body class="mat-typography">
   <app-root></app-root>
diff --git a/openapi.yaml b/openapi.yaml
index a1a74d3..6cc075a 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -2421,6 +2421,7 @@ components:
         - eta
         - limit
         - overdue
+        - taskgroupPath
       additionalProperties: false
       properties:
         taskID:
@@ -2448,6 +2449,10 @@ components:
           type: number
           description: number in minutes that was already worked on this task
           example: 10
+        taskgroupPath:
+          type: array
+          items:
+            $ref: '#/components/schemas/TaskgroupEntityInfo'
     ScheduleStatus:
       required:
         - activeMinutes