diff --git a/backend/.idea/misc.xml b/backend/.idea/misc.xml
index 82ab2cc..7f2836b 100644
--- a/backend/.idea/misc.xml
+++ b/backend/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">
diff --git a/backend/.idea/workspace.xml b/backend/.idea/workspace.xml
index b9a3db5..0a3a9ee 100644
--- a/backend/.idea/workspace.xml
+++ b/backend/.idea/workspace.xml
@@ -5,20 +5,11 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="3a869f59-290a-4ab2-b036-a878ce801bc4" name="Changes" comment="Delete and clear Tasks (Frontend)">
-      <change afterPath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/taskgroup/TaskgroupDetailInfo.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/taskgroup/TaskgroupShortInfo.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/core/api/controller/ScheduleController.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/BasicTaskSchedule.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/core/api/controller/TaskgroupController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/api/controller/TaskgroupController.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/taskgroup/TaskgroupEntityInfo.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/taskgroup/TaskgroupEntityInfo.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Taskgroup.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Taskgroup.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/api/.openapi-generator/FILES" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/api/.openapi-generator/FILES" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/api/api/taskgroup.service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/api/api/taskgroup.service.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/api/model/models.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/api/model/models.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/app.module.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/app.module.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.css" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.css" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.html" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.html" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../openapi.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/../openapi.yaml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Task.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Task.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -103,6 +94,7 @@
       <workItem from="1697923629354" duration="3164000" />
       <workItem from="1697958018921" duration="91000" />
       <workItem from="1697958118995" duration="5749000" />
+      <workItem from="1697969480767" duration="6039000" />
     </task>
     <task id="LOCAL-00001" summary="Structure Taskgroups in Hierarchies">
       <option name="closed" value="true" />
diff --git a/backend/src/main/java/core/api/controller/ScheduleController.java b/backend/src/main/java/core/api/controller/ScheduleController.java
new file mode 100644
index 0000000..2c2e03b
--- /dev/null
+++ b/backend/src/main/java/core/api/controller/ScheduleController.java
@@ -0,0 +1,31 @@
+package core.api.controller;
+
+import core.entities.timemanager.ScheduleType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@CrossOrigin(origins = "*", maxAge = 3600)
+@RestController
+@RequestMapping("/api")
+public class ScheduleController {
+
+    @GetMapping("/schedules/{taskID}/{scheduleType}")
+    public ResponseEntity<?> loadSchedulesOfTask(@PathVariable long taskID, @PathVariable ScheduleType scheduleType) {
+        return null;
+    }
+
+    @PutMapping("/schedules/{taskID}")
+    public ResponseEntity<?> scheduleTask(@PathVariable long taskID) {
+        return null;
+    }
+
+    @PostMapping("/schedules/{scheduleID}/{scheduleType}")
+    public ResponseEntity<?> editScheduledTask(@PathVariable long scheduleID, @PathVariable ScheduleType scheduleType) {
+        return null;
+    }
+
+    @PostMapping("/schedules/{scheduleID}/{scheduleType}")
+    public ResponseEntity<?> deleteScheduledTask(@PathVariable long scheduleID, @PathVariable ScheduleType scheduleType) {
+        return null;
+    }
+}
diff --git a/backend/src/main/java/core/entities/timemanager/BasicTaskSchedule.java b/backend/src/main/java/core/entities/timemanager/BasicTaskSchedule.java
new file mode 100644
index 0000000..d9e0f6a
--- /dev/null
+++ b/backend/src/main/java/core/entities/timemanager/BasicTaskSchedule.java
@@ -0,0 +1,78 @@
+package core.entities.timemanager;
+
+import javax.persistence.*;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "basic_schedules")
+public class BasicTaskSchedule {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long scheduleID;
+
+    @ManyToOne
+    @JoinColumn(referencedColumnName = "taskID", name = "task")
+    private Task task;
+
+    private LocalDate scheduleDate;
+    private LocalDateTime startTime;
+    private LocalDateTime finishedTime;
+
+    public BasicTaskSchedule(Task task, LocalDate scheduleDate) {
+        this.task = task;
+        this.scheduleDate = scheduleDate;
+    }
+
+    public BasicTaskSchedule() {
+    }
+
+    public void start() {
+        this.startTime = LocalDateTime.now();
+    }
+
+    public void end() {
+        this.finishedTime = LocalDateTime.now();
+    }
+
+    public long getScheduleID() {
+        return scheduleID;
+    }
+
+    public void setScheduleID(long scheduleID) {
+        this.scheduleID = scheduleID;
+    }
+
+    public Task getTask() {
+        return task;
+    }
+
+    public void setTask(Task task) {
+        this.task = task;
+    }
+
+    public LocalDate getScheduleDate() {
+        return scheduleDate;
+    }
+
+    public void setScheduleDate(LocalDate scheduleDate) {
+        this.scheduleDate = scheduleDate;
+    }
+
+    public LocalDateTime getStartTime() {
+        return startTime;
+    }
+
+    public void setStartTime(LocalDateTime startTime) {
+        this.startTime = startTime;
+    }
+
+    public LocalDateTime getFinishedTime() {
+        return finishedTime;
+    }
+
+    public void setFinishedTime(LocalDateTime finishedTime) {
+        this.finishedTime = finishedTime;
+    }
+}
diff --git a/backend/src/main/java/core/entities/timemanager/ScheduleType.java b/backend/src/main/java/core/entities/timemanager/ScheduleType.java
new file mode 100644
index 0000000..30b8677
--- /dev/null
+++ b/backend/src/main/java/core/entities/timemanager/ScheduleType.java
@@ -0,0 +1,8 @@
+package core.entities.timemanager;
+
+public enum ScheduleType {
+
+    BASIC,
+    MODERATE,
+    ADVANCED;
+}
diff --git a/backend/src/main/java/core/entities/timemanager/Task.java b/backend/src/main/java/core/entities/timemanager/Task.java
index 8c17c7c..dc39e91 100644
--- a/backend/src/main/java/core/entities/timemanager/Task.java
+++ b/backend/src/main/java/core/entities/timemanager/Task.java
@@ -3,6 +3,7 @@ package core.entities.timemanager;
 import javax.persistence.*;
 import java.time.LocalDate;
 import java.util.Objects;
+import java.util.Set;
 
 @Entity
 @Table(name = "tasks")
@@ -25,6 +26,9 @@ public class Task {
 
     private boolean finished;
 
+    @OneToMany(mappedBy = "task", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    private Set<BasicTaskSchedule> basicTaskSchedules;
+
     public Task(Taskgroup taskgroup, String taskName, LocalDate startDate, LocalDate deadline, int eta) {
         this.taskgroup = taskgroup;
         this.taskName = taskName;