diff --git a/models/event.py b/models/event.py
index c00327c..9e0293c 100644
--- a/models/event.py
+++ b/models/event.py
@@ -14,8 +14,8 @@ class Event(models.Model):
     title = fields.Char(required=True)
     # manager = fields.Many2one('coworker.users', 'Manager', required=True, index=True)
 
-    date_start = fields.Date(default=fields.Date.context_today, required=True)
-    date_end = fields.Date(required=True)
+    date_start = fields.Datetime(default=fields.Date.context_today, required=True)
+    date_end = fields.Datetime(required=True)
 
     duration = fields.Float(compute='_compute_duration')
 
@@ -30,4 +30,8 @@ class Event(models.Model):
     @api.depends('date_start', 'date_end')
     def _compute_duration(self):
         for event in self:
-            event.duration = event.date_end - event.date_start
+            if event.duration is True:
+                t1 = fields.Datetime.from_string(event.date_end)
+                t2 = fields.Datetime.from_string(event.date_start)
+                d1 = datetime.strptime(t1, fmt)
+                d2 = datetime.strptime(t2, fmt)
diff --git a/views/event_views.xml b/views/event_views.xml
index addc252..ad20cdf 100644
--- a/views/event_views.xml
+++ b/views/event_views.xml
@@ -14,7 +14,7 @@
               <!-- <field name="manager" /> -->
               <field name="date_start" />
               <field name="date_end" />
-              <field name="duration" readonly="1" />
+              <field name="duration" />
             </group>
           </group>
         </sheet>