diff --git a/app/dao/services_dao.py b/app/dao/services_dao.py
index d21e8bd49..39fb66d02 100644
--- a/app/dao/services_dao.py
+++ b/app/dao/services_dao.py
@@ -1,5 +1,5 @@
 import uuid
-from datetime import date, datetime
+from datetime import date, datetime, timedelta
 
 from sqlalchemy import asc, func
 from sqlalchemy.orm import joinedload
@@ -324,14 +324,19 @@ def dao_fetch_todays_stats_for_all_services(include_from_test_key=True):
 
 @statsd(namespace='dao')
 def fetch_stats_by_date_range_for_all_services(start_date, end_date, include_from_test_key=True):
+    if not isinstance(end_date, datetime):
+        end_date = datetime.combine(end_date, datetime.min.time())
+
+    end_date += timedelta(hours=23, minutes=59, seconds=59)
+
     query = db.session.query(
         NotificationHistory.notification_type,
         NotificationHistory.status,
         NotificationHistory.service_id,
         func.count(NotificationHistory.id).label('count')
     ).filter(
-        func.date(NotificationHistory.created_at) >= start_date,
-        func.date(NotificationHistory.created_at) <= end_date
+        NotificationHistory.created_at >= start_date,
+        NotificationHistory.created_at <= end_date
     ).group_by(
         NotificationHistory.notification_type,
         NotificationHistory.status,
diff --git a/app/service/rest.py b/app/service/rest.py
index 06ad37ed8..409c27def 100644
--- a/app/service/rest.py
+++ b/app/service/rest.py
@@ -1,5 +1,5 @@
 import itertools
-from datetime import datetime
+from datetime import datetime, timedelta
 
 from flask import (
     jsonify,
diff --git a/tests/app/service/test_rest.py b/tests/app/service/test_rest.py
index 2c9b14f20..75424b137 100644
--- a/tests/app/service/test_rest.py
+++ b/tests/app/service/test_rest.py
@@ -1393,19 +1393,25 @@ def test_get_detailed_services_only_includes_todays_notifications(notify_db, not
     }
 
 
-@pytest.mark.xfail
-def test_get_detailed_services_for_date_range(notify_db, notify_db_session):
+@pytest.mark.parametrize(
+    'set_time',
+    ['2017-03-28T12:00:00', '2017-01-28T12:00:00', '2017-01-02T12:00:00', '2017-10-31T12:00:00']
+)
+def test_get_detailed_services_for_date_range(notify_db, notify_db_session, set_time):
     from app.service.rest import get_detailed_services
-    create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=3))
-    create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=2))
-    create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=1))
-    create_sample_notification(notify_db, notify_db_session, created_at=datetime.now())
 
-    start_date = (datetime.utcnow() - timedelta(days=2)).date()
-    end_date = (datetime.utcnow() - timedelta(days=1)).date()
+    with freeze_time(set_time):
+        create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=3))
+        create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=2))
+        create_sample_notification(notify_db, notify_db_session, created_at=datetime.now() - timedelta(days=1))
+        create_sample_notification(notify_db, notify_db_session, created_at=datetime.now())
+
+        start_date = (datetime.utcnow() - timedelta(days=2)).date()
+        end_date = (datetime.utcnow() - timedelta(days=1)).date()
 
     data = get_detailed_services(only_active=False, include_from_test_key=True,
                                  start_date=start_date, end_date=end_date)
+
     assert len(data) == 1
     assert data[0]['statistics'] == {
         'email': {'delivered': 0, 'failed': 0, 'requested': 0},