diff --git a/CHANGES b/CHANGES
index 59cf5d40f..ff1019d37 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,6 +8,7 @@ Version 0.9
 
 (feature release, released on X)
 
+- Fix incorrect display of time (#13)
 - Improved error handling / reporting. (#12)
 - Use fcntl() instead of flock() when locking repository/cache. (#15)
 - Let ssh figure out port/user if not specified so we don't override .ssh/config (#9)
diff --git a/attic/archive.py b/attic/archive.py
index 4526fe099..fac656cc1 100644
--- a/attic/archive.py
+++ b/attic/archive.py
@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from getpass import getuser
 from itertools import zip_longest
 import msgpack
@@ -122,7 +122,7 @@ class Archive(object):
     def ts(self):
         """Timestamp of archive creation in UTC"""
         t, f = self.metadata[b'time'].split('.', 1)
-        return datetime.strptime(t, '%Y-%m-%dT%H:%M:%S') + timedelta(seconds=float('.' + f))
+        return datetime.strptime(t, '%Y-%m-%dT%H:%M:%S').replace(tzinfo=timezone.utc) + timedelta(seconds=float('.' + f))
 
     def __repr__(self):
         return 'Archive(%r)' % self.name
diff --git a/attic/helpers.py b/attic/helpers.py
index 275714054..fb1fe3e69 100644
--- a/attic/helpers.py
+++ b/attic/helpers.py
@@ -8,7 +8,7 @@ import re
 import stat
 import sys
 import time
-from datetime import datetime, timedelta
+from datetime import datetime
 from fnmatch import fnmatchcase
 from operator import attrgetter
 import fcntl
@@ -138,7 +138,7 @@ def get_cache_dir():
 
 def to_localtime(ts):
     """Convert datetime object from UTC to local time zone"""
-    return ts - timedelta(seconds=time.altzone)
+    return datetime(*time.localtime(ts.timestamp())[:6])
 
 
 def adjust_patterns(paths, excludes):