diff --git a/AKModel/migrations/0023_event_default_slot.py b/AKModel/migrations/0023_event_default_slot.py
new file mode 100644
index 0000000000000000000000000000000000000000..51c140b7c883bc806e16454049e1f6f652b6831f
--- /dev/null
+++ b/AKModel/migrations/0023_event_default_slot.py
@@ -0,0 +1,19 @@
+# Generated by Django 2.2.6 on 2019-10-25 13:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0022_remove_akowner_email'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='default_slot',
+            field=models.DecimalField(decimal_places=2, default=2,
+                                      help_text='Default length in hours that is assumed for AKs in this event.',
+                                      max_digits=4, verbose_name='Default Slot Length'),
+        ),
+    ]
diff --git a/AKModel/models.py b/AKModel/models.py
index 2f1f9ad821ab4c63b3126fe1760857f2fd037411..285334794f74c89e2a8155803efe73b1dc2c571e 100644
--- a/AKModel/models.py
+++ b/AKModel/models.py
@@ -20,6 +20,8 @@ class Event(models.Model):
     active = models.BooleanField(verbose_name=_('Active State'), help_text=_('Marks currently active events'))
 
     base_url = models.URLField(verbose_name=_("Base URL"), help_text=_("Prefix for wiki link construction"), blank=True)
+    default_slot = models.DecimalField(max_digits=4, decimal_places=2, default=2, verbose_name='Default Slot Length',
+                                       help_text='Default length in hours that is assumed for AKs in this event.')
 
     class Meta:
         verbose_name = _('Event')
@@ -92,7 +94,8 @@ class AKCategory(models.Model):
     """
     name = models.CharField(max_length=64, unique=True, verbose_name=_('Name'), help_text=_('Name of the AK Category'))
     color = models.CharField(max_length=7, blank=True, verbose_name=_('Color'), help_text=_('Color for displaying'))
-    description = models.TextField(blank=True, verbose_name=_("Description"), help_text=_("Short description of this AK Category"))
+    description = models.TextField(blank=True, verbose_name=_("Description"),
+                                   help_text=_("Short description of this AK Category"))
 
     class Meta:
         verbose_name = _('AK Category')
diff --git a/AKSubmission/forms.py b/AKSubmission/forms.py
index 1a3689136ad08e62ab3ae25d87bd5be48932cf8c..45551e48513f865ef8f68679ef257273e516f3a1 100644
--- a/AKSubmission/forms.py
+++ b/AKSubmission/forms.py
@@ -108,7 +108,9 @@ class AKSubmissionForm(AKForm):
             widget=forms.Textarea,
             label=_("Duration(s)"),
             help_text=_(
-                "Enter at least one planned duration (in hours). If your AK should have multiple slots, use multiple lines")
+                "Enter at least one planned duration (in hours). If your AK should have multiple slots, use multiple lines"),
+            initial=
+            self.initial.get('event').default_slot
         )