diff --git a/app/main/views/feedback.py b/app/main/views/feedback.py
index c3f796baf..d808ed99d 100644
--- a/app/main/views/feedback.py
+++ b/app/main/views/feedback.py
@@ -179,25 +179,40 @@ def is_weekend(time):
 
 
 def is_bank_holiday(time):
-    return time.strftime('%d/%m/%Y') in {
-        # taken from
-        # https://github.com/alphagov/calendars/blob/7f6512b0a95d77aa22accef105860074c19f1ec0/lib/data/bank-holidays.json
-        "01/01/2016",
-        "25/03/2016",
-        "28/03/2016",
-        "02/05/2016",
-        "30/05/2016",
-        "29/08/2016",
-        "26/12/2016",
-        "27/12/2016",
-        "02/01/2017",
-        "14/04/2017",
-        "17/04/2017",
-        "01/05/2017",
-        "29/05/2017",
-        "28/08/2017",
-        "25/12/2017",
-        "26/12/2017",
+    return time.strftime('%Y-%m-%d') in {
+        # taken from https://www.gov.uk/bank-holidays.json
+        "2016-01-01",
+        "2016-03-25",
+        "2016-03-28",
+        "2016-05-02",
+        "2016-05-30",
+        "2016-08-29",
+        "2016-12-26",
+        "2016-12-27",
+        "2017-01-02",
+        "2017-04-14",
+        "2017-04-17",
+        "2017-05-01",
+        "2017-05-29",
+        "2017-08-28",
+        "2017-12-25",
+        "2017-12-26",
+        "2018-01-01",
+        "2018-03-30",
+        "2018-04-02",
+        "2018-05-07",
+        "2018-05-28",
+        "2018-08-27",
+        "2018-12-25",
+        "2018-12-26",
+        "2019-01-01",
+        "2019-04-19",
+        "2019-04-22",
+        "2019-05-06",
+        "2019-05-27",
+        "2019-08-26",
+        "2019-12-25",
+        "2019-12-26",
     }