diff --git a/httpobscli/cli.py b/httpobscli/cli.py
index 0a2a9d3..d65a06b 100755
--- a/httpobscli/cli.py
+++ b/httpobscli/cli.py
@@ -8,6 +8,7 @@ from sys import exit
 
 import argparse
 import datetime
+import pytz
 import json
 import requests
 import sys
@@ -61,7 +62,13 @@ def analyze(host):
 
     # Print out a notification on stderr that it's a cached result
     # I hate working with datetime so much
-    differential = datetime.datetime.now() - datetime.datetime.strptime(scan['end_time'], '%a, %d %b %Y %H:%M:%S %Z')
+    differential = datetime.datetime.now(pytz.utc) - \
+                   pytz.timezone('GMT').localize(
+                       datetime.datetime.strptime(
+                           scan['end_time'],
+                           '%a, %d %b %Y %H:%M:%S %Z'
+                        )
+                    )
     differential = differential.days * 86400 + differential.seconds
 
     if differential > 300:
diff --git a/requirements.txt b/requirements.txt
index f229360..c552f88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 requests
+pytz
diff --git a/setup.py b/setup.py
index f228d83..a97b602 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,8 @@ setup(
     license='MPL 2.0',
     long_description=README,
     install_requires=[
-        'requests'
+        'requests',
+        'pytz'
     ],
     classifiers=[
         'Development Status :: 4 - Beta',