diff --git a/rhodecode/apps/admin/views/repo_groups.py b/rhodecode/apps/admin/views/repo_groups.py
--- a/rhodecode/apps/admin/views/repo_groups.py
+++ b/rhodecode/apps/admin/views/repo_groups.py
@@ -19,6 +19,8 @@
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 import datetime
 import logging
+import time
+
 import formencode
 import formencode.htmlfill
 
@@ -131,9 +133,10 @@ class AdminRepoGroupsView(BaseAppView, D
 
         def last_change(last_change):
             if isinstance(last_change, datetime.datetime) and not last_change.tzinfo:
-                delta = datetime.timedelta(
-                    seconds=(datetime.datetime.now() - datetime.datetime.utcnow()).seconds)
-                last_change = last_change + delta
+                ts = time.time()
+                utc_offset = (datetime.datetime.fromtimestamp(ts)
+                              - datetime.datetime.utcfromtimestamp(ts)).total_seconds()
+                last_change = last_change + datetime.timedelta(seconds=utc_offset)
             return _render("last_change", last_change)
 
         def desc(desc, personal):
diff --git a/rhodecode/model/db.py b/rhodecode/model/db.py
--- a/rhodecode/model/db.py
+++ b/rhodecode/model/db.py
@@ -2352,6 +2352,7 @@ class Repository(Base, BaseModel):
 
             cs_cache['updated_on'] = time.time()
             self.changeset_cache = cs_cache
+            self.updated_on = last_change
             Session().add(self)
             Session().commit()
 
@@ -2858,6 +2859,7 @@ class RepoGroup(Base, BaseModel):
         for repo_group, repos in repo_groups_and_repos().items():
 
             latest_repo_cs_cache = {}
+            _date_latest = empty_date
             for repo in repos:
                 repo_cs_cache = repo.changeset_cache
                 date_latest = latest_repo_cs_cache.get('date', empty_date)
@@ -2866,9 +2868,11 @@ class RepoGroup(Base, BaseModel):
                 if current_timestamp < datetime_to_time(parse_datetime(date_current)):
                     latest_repo_cs_cache = repo_cs_cache
                     latest_repo_cs_cache['source_repo_id'] = repo.repo_id
+                    _date_latest = parse_datetime(latest_repo_cs_cache['date'])
 
             latest_repo_cs_cache['updated_on'] = time.time()
             repo_group.changeset_cache = latest_repo_cs_cache
+            repo_group.updated_on = _date_latest
             Session().add(repo_group)
             Session().commit()
 
diff --git a/rhodecode/model/repo.py b/rhodecode/model/repo.py
--- a/rhodecode/model/repo.py
+++ b/rhodecode/model/repo.py
@@ -217,8 +217,11 @@ class RepoModel(BaseModel):
 
         def last_change(last_change):
             if admin and isinstance(last_change, datetime.datetime) and not last_change.tzinfo:
-                last_change = last_change + datetime.timedelta(seconds=
-                    (datetime.datetime.now() - datetime.datetime.utcnow()).seconds)
+                ts = time.time()
+                utc_offset = (datetime.datetime.fromtimestamp(ts)
+                              - datetime.datetime.utcfromtimestamp(ts)).total_seconds()
+                last_change = last_change + datetime.timedelta(seconds=utc_offset)
+
             return _render("last_change", last_change)
 
         def rss_lnk(repo_name):
@@ -381,7 +384,7 @@ class RepoModel(BaseModel):
                 if ex_field:
                     ex_field.field_value = kwargs[field]
                     self.sa.add(ex_field)
-            cur_repo.updated_on = datetime.datetime.now()
+
             self.sa.add(cur_repo)
 
             if source_repo_name != new_name:
diff --git a/rhodecode/model/repo_group.py b/rhodecode/model/repo_group.py
--- a/rhodecode/model/repo_group.py
+++ b/rhodecode/model/repo_group.py
@@ -28,6 +28,7 @@ import datetime
 import itertools
 import logging
 import shutil
+import time
 import traceback
 import string
 
@@ -519,7 +520,7 @@ class RepoGroupModel(BaseModel):
 
             if 'user' in form_data:
                 repo_group.user = User.get_by_username(form_data['user'])
-            repo_group.updated_on = datetime.datetime.now()
+
             self.sa.add(repo_group)
 
             # iterate over all members of this groups and do fixes
@@ -536,7 +537,7 @@ class RepoGroupModel(BaseModel):
                     log.debug('Fixing group %s to new name %s',
                               obj.group_name, new_name)
                     obj.group_name = new_name
-                    obj.updated_on = datetime.datetime.now()
+
                 elif isinstance(obj, Repository):
                     # we need to get all repositories from this new group and
                     # rename them accordingly to new group path
@@ -544,7 +545,7 @@ class RepoGroupModel(BaseModel):
                     log.debug('Fixing repo %s to new name %s',
                               obj.repo_name, new_name)
                     obj.repo_name = new_name
-                    obj.updated_on = datetime.datetime.now()
+
                 self.sa.add(obj)
 
             self._rename_group(old_path, new_path)
@@ -714,8 +715,10 @@ class RepoGroupModel(BaseModel):
 
         def last_change(last_change):
             if admin and isinstance(last_change, datetime.datetime) and not last_change.tzinfo:
-                last_change = last_change + datetime.timedelta(seconds=
-                    (datetime.datetime.now() - datetime.datetime.utcnow()).seconds)
+                ts = time.time()
+                utc_offset = (datetime.datetime.fromtimestamp(ts)
+                              - datetime.datetime.utcfromtimestamp(ts)).total_seconds()
+                last_change = last_change + datetime.timedelta(seconds=utc_offset)
             return _render("last_change", last_change)
 
         def last_rev(repo_name, cs_cache):