diff --git a/Models/Task.php b/Models/Task.php
index 764404f..1ed48f7 100644
--- a/Models/Task.php
+++ b/Models/Task.php
@@ -86,6 +86,14 @@ class Task implements \JsonSerializable
 
     protected $isClosable = true;
 
+    /**
+     * Start.
+     *
+     * @var \DateTime
+     * @since 1.0.0
+     */
+    protected $start = null;
+
     /**
      * Due.
      *
@@ -130,6 +138,7 @@ class Task implements \JsonSerializable
     public function __construct()
     {
         $this->createdAt = new \DateTime('now');
+        $this->start = new \DateTime('now');
         $this->due = new \DateTime('now');
         $this->due->modify('+1 day');
         $this->schedule = new Schedule();
@@ -211,6 +220,26 @@ class Task implements \JsonSerializable
         $this->createdAt = $created;
     }
 
+    /**
+     * @return \DateTime
+     *
+     * @since  1.0.0
+     */
+    public function getStart() : \DateTime
+    {
+        return $this->createdAt ?? new \DateTime();
+    }
+
+    /**
+     * @param \DateTime $created
+     *
+     * @since  1.0.0
+     */
+    public function setStart(\DateTime $start)
+    {
+        $this->start = $start;
+    }
+
     /**
      * @return mixed
      *
diff --git a/Models/TaskMapper.php b/Models/TaskMapper.php
index 5c03372..7c02e7e 100644
--- a/Models/TaskMapper.php
+++ b/Models/TaskMapper.php
@@ -52,6 +52,7 @@ class TaskMapper extends DataMapperAbstract
         'task_due'     => ['name' => 'task_due', 'type' => 'DateTime', 'internal' => 'due'],
         'task_done'    => ['name' => 'task_done', 'type' => 'DateTime', 'internal' => 'done'],
         'task_schedule'    => ['name' => 'task_schedule', 'type' => 'int', 'internal' => 'schedule'],
+        'task_start' => ['name' => 'task_start', 'type' => 'DateTime', 'internal' => 'start'],
         'task_created_by' => ['name' => 'task_created_by', 'type' => 'int', 'internal' => 'createdBy'],
         'task_created_at' => ['name' => 'task_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
     ];