diff --git a/openaq_api/openaq_api/v3/routers/auth.py b/openaq_api/openaq_api/v3/routers/auth.py
index 763fa2b..0de6b6b 100644
--- a/openaq_api/openaq_api/v3/routers/auth.py
+++ b/openaq_api/openaq_api/v3/routers/auth.py
@@ -236,7 +236,7 @@ async def get_register(
         user_token = await db.get_user_token(body.users_id)
         if not user_token:
             return HTTPException(401)
-        redis_client = getattr(request.app.state, "redis_client")
+        redis_client = getattr(request.app, "redis")
         if redis_client:
             await redis_client.sadd("keys", user_token)
         return {"message": "success"}
diff --git a/openaq_api/openaq_api/v3/routers/locations.py b/openaq_api/openaq_api/v3/routers/locations.py
index f00dc99..cc0a2e7 100644
--- a/openaq_api/openaq_api/v3/routers/locations.py
+++ b/openaq_api/openaq_api/v3/routers/locations.py
@@ -98,7 +98,6 @@ async def location_get(
     request: Request,
     db: DB = Depends(),
 ):
-    print("FOO", request.app.state.redis_client)
     response = await fetch_locations(locations, db)
     return response
 
diff --git a/openaq_api/openaq_api/v3/routers/measurements.py b/openaq_api/openaq_api/v3/routers/measurements.py
index d203edf..fc686f5 100644
--- a/openaq_api/openaq_api/v3/routers/measurements.py
+++ b/openaq_api/openaq_api/v3/routers/measurements.py
@@ -808,8 +808,8 @@ async def fetch_hours_trends(aggregate_to, query, db):
         , m.measurands_id
         , m.measurand
         , m.units
-        , as_timestamptz(:{datetime_field_name}_from, tz.tzid) as datetime_from
-        , as_timestamptz(:{datetime_field_name}_to, tz.tzid) as datetime_to
+        , as_timestamptz(:{datetime_field_name}_from::timestamp, tz.tzid) as datetime_from
+        , as_timestamptz(:{datetime_field_name}_to::timestamp, tz.tzid) as datetime_to
         FROM sensors s
         , sensor_systems sy
         , sensor_nodes sn
@@ -906,6 +906,7 @@ async def fetch_hours_trends(aggregate_to, query, db):
     ORDER BY e.factor
     """
 
+
     return await db.fetchPage(sql, params)
 
 
diff --git a/openaq_api/tests/test_sensor_measurements.py b/openaq_api/tests/test_sensor_measurements.py
index dc7c42a..aefa5b6 100644
--- a/openaq_api/tests/test_sensor_measurements.py
+++ b/openaq_api/tests/test_sensor_measurements.py
@@ -95,6 +95,7 @@ def test_aggregated_moy_good(self, client):
         data = json.loads(response.content).get('results', [])
         assert len(data) == 12
 
+
         row = data[0]
         # hours are time ending
         assert row['coverage']['datetimeFrom']['local'] == '2022-01-02T00:00:00-10:00'
diff --git a/openaq_api/tests/test_sensors_latest.py b/openaq_api/tests/test_sensors_latest.py
index 3cf1b4e..15f3475 100644
--- a/openaq_api/tests/test_sensors_latest.py
+++ b/openaq_api/tests/test_sensors_latest.py
@@ -53,7 +53,7 @@ def test_date_filter(self, client):
         response = client.get(f"/v3/parameters/{measurands_id}/latest?datetime_min=2024-08-27")
         assert response.status_code == 200
         data = json.loads(response.content).get('results', [])
-        assert len(data) == 10
+        assert len(data) == 1
 
     def test_timestamp_filter(self, client):
         response = client.get(f"/v3/parameters/{measurands_id}/latest?datetime_min=2024-08-27 19:00:00")