diff --git a/sith/settings.py b/sith/settings.py
index 437f558f..5e91ea6b 100644
--- a/sith/settings.py
+++ b/sith/settings.py
@@ -512,6 +512,11 @@ SITH_SUBSCRIPTIONS = {
         'name': _('Six weeks for free'),
         'price': 0,
         'duration': 0.23,
+    },
+    'un-jour': {
+        'name': _('Un jour'),
+        'price': 0,
+        'duration': 0.00555333,
     }
     # To be completed....
 }
diff --git a/subscription/migrations/0009_auto_20180920_1421.py b/subscription/migrations/0009_auto_20180920_1421.py
new file mode 100644
index 00000000..4d975dcd
--- /dev/null
+++ b/subscription/migrations/0009_auto_20180920_1421.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.15 on 2018-09-20 12:21
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('subscription', '0008_auto_20180831_2016'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='subscription',
+            name='subscription_type',
+            field=models.CharField(choices=[('amicale/doceo', 'Amicale/DOCEO member'), ('assidu', 'Assidu member'), ('benevoles-euroks', "Eurok's volunteer"), ('crous', 'CROUS member'), ('cursus-alternant', 'Alternating cursus'), ('cursus-branche', 'Branch cursus'), ('cursus-tronc-commun', 'Common core cursus'), ('deux-mois-essai', 'Two months for free'), ('deux-semestres', 'Two semesters'), ('membre-honoraire', 'Honorary member'), ('reseau-ut', 'UT network member'), ('sbarro/esta', 'Sbarro/ESTA member'), ('six-semaines-essai', 'Six weeks for free'), ('un-jour', 'Un jour'), ('un-semestre', 'One semester'), ('un-semestre-welcome', 'One semester Welcome Week')], max_length=255, verbose_name='subscription type'),
+        ),
+    ]
diff --git a/subscription/tests.py b/subscription/tests.py
index 20bead75..6003df62 100644
--- a/subscription/tests.py
+++ b/subscription/tests.py
@@ -117,6 +117,16 @@ class SubscriptionIntegrationTest(TestCase):
         s.save()
         self.assertTrue(s.subscription_end == date(2017, 10, 29))
 
+    def test_duration_two_months(self):
+
+        s = Subscription(member=User.objects.filter(pk=self.user.pk).first(), subscription_type=list(settings.SITH_SUBSCRIPTIONS.keys())[3],
+                         payment_method=settings.SITH_SUBSCRIPTION_PAYMENT_METHOD[0])
+        s.subscription_start = date(2017, 8, 29)
+        s.subscription_end = s.compute_end(duration=settings.SITH_SUBSCRIPTIONS['un-jour']['duration'],
+                                           start=s.subscription_start)
+        s.save()
+        self.assertTrue(s.subscription_end == date(2017, 8, 30))
+
     def test_duration_three_months(self):
 
         s = Subscription(member=User.objects.filter(pk=self.user.pk).first(), subscription_type=list(settings.SITH_SUBSCRIPTIONS.keys())[3],