Corrected field type

oscar/apps/payment/models.py

@@ -21,7 +21,7 @@ class Transaction(models.Model):
     amount = models.DecimalField(decimal_places=2, max_digits=12)
     reference = models.CharField(max_length=128, null=True)
     status = models.CharField(max_length=128, null=True)
-    date_created = models.DateField(auto_now_add=True)
+    date_created = models.DateTimeField(auto_now_add=True)
     
     def __unicode__(self):
         return "%s of %.2f" % (self.txn_type, self.amount)