diff --git a/sensors/collector/collector.py b/sensors/collector/collector.py
index 93e020f..cb99add 100644
--- a/sensors/collector/collector.py
+++ b/sensors/collector/collector.py
@@ -1,5 +1,5 @@
 import os
-from django.utils import timezone
+from datetime import datetime
 
 if os.uname()[4].startswith("arm"):
     from sense_hat import SenseHat
@@ -27,7 +27,7 @@ def get_humidity():
 
 
 def values_to_db():
-    time = timezone.now()
+    time = datetime.now()
     Temperature.objects.create(value=get_temperature(), time=time)
     Humidity.objects.create(value=get_humidity(), time=time)
     Pressure.objects.create(value=get_pressure(), time=time)
diff --git a/sensors/collector/plot.py b/sensors/collector/plot.py
index fff778b..2527477 100644
--- a/sensors/collector/plot.py
+++ b/sensors/collector/plot.py
@@ -1,11 +1,11 @@
 from datetime import timedelta
-from django.utils import timezone
+from datetime import datetime
 from plotly.offline import plot
 from plotly.graph_objs import Scatter
 from collector.models import Temperature, Humidity, Pressure
 
 
-start_time = timezone.now() - timedelta(hours=12)
+start_time = datetime.now() - timedelta(hours=12)
 
 def temperature():
     data = Temperature.objects.filter(time__gt=start_time)
diff --git a/sensors/sensors/settings/base.py b/sensors/sensors/settings/base.py
index f4cbfbd..4dc8b28 100644
--- a/sensors/sensors/settings/base.py
+++ b/sensors/sensors/settings/base.py
@@ -95,7 +95,7 @@ USE_I18N = True
 
 USE_L10N = True
 
-USE_TZ = True
+USE_TZ = False
 
 
 # Static files (CSS, JavaScript, Images)