diff --git a/python/adapters/extensions/omci/tasks/sync_time_task.py b/python/adapters/extensions/omci/tasks/sync_time_task.py
new file mode 100644
index 0000000..b5b1dc9
--- /dev/null
+++ b/python/adapters/extensions/omci/tasks/sync_time_task.py
@@ -0,0 +1,107 @@
+#
+# Copyright 2018 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from task import Task
+from twisted.internet import reactor
+from twisted.internet.defer import inlineCallbacks, TimeoutError, failure
+from voltha.extensions.omci.omci_me import OntGFrame
+from voltha.extensions.omci.omci_defs import ReasonCodes as RC
+from datetime import datetime
+
+
+class SyncTimeTask(Task):
+    """
+    OpenOMCI - Synchronize the ONU time with server
+    """
+    task_priority = Task.DEFAULT_PRIORITY + 10
+    name = "Sync Time Task"
+
+    def __init__(self, omci_agent, device_id, use_utc=True):
+        """
+        Class initialization
+
+        :param omci_agent: (OmciAdapterAgent) OMCI Adapter agent
+        :param device_id: (str) ONU Device ID
+        :param use_utc: (bool) Use UTC time if True, otherwise local time
+        """
+        super(SyncTimeTask, self).__init__(SyncTimeTask.name,
+                                           omci_agent,
+                                           device_id,
+                                           priority=SyncTimeTask.task_priority,
+                                           exclusive=False)
+        self._local_deferred = None
+        self._use_utc = use_utc
+
+    def cancel_deferred(self):
+        super(SyncTimeTask, self).cancel_deferred()
+
+        d, self._local_deferred = self._local_deferred, None
+        try:
+            if d is not None and not d.called:
+                d.cancel()
+        except:
+            pass
+
+    def start(self):
+        """
+        Start the tasks
+        """
+        super(SyncTimeTask, self).start()
+        self._local_deferred = reactor.callLater(0, self.perform_sync_time)
+
+    def stop(self):
+        """
+        Shutdown the tasks
+        """
+        self.log.debug('stopping')
+
+        self.cancel_deferred()
+        super(SyncTimeTask, self).stop()
+
+    @inlineCallbacks
+    def perform_sync_time(self):
+        """
+        Sync the time
+        """
+        self.log.debug('perform-sync-time')
+
+        try:
+            device = self.omci_agent.get_device(self.device_id)
+
+            #########################################
+            # ONT-G (ME #256)
+            dt = datetime.utcnow() if self._use_utc else datetime.now()
+
+            results = yield device.omci_cc.send(OntGFrame().synchronize_time(dt))
+
+            omci_msg = results.fields['omci_message'].fields
+            status = omci_msg['success_code']
+            self.log.debug('sync-time', status=status)
+
+            if status == RC.Success:
+                self.log.info('sync-time', success_info=omci_msg['success_info'] & 0x0f)
+
+            assert status == RC.Success, 'Unexpected Response Status: {}'.format(status)
+
+            # Successful if here
+            self.deferred.callback(results)
+
+        except TimeoutError as e:
+            self.log.warn('sync-time-timeout', e=e)
+            self.deferred.errback(failure.Failure(e))
+
+        except Exception as e:
+            self.log.exception('sync-time', e=e)
+            self.deferred.errback(failure.Failure(e))