Index: dialin/dg/dialysate_generator.py
===================================================================
diff -u -r9d116c25f6482d61d324558b8a1f745468030740 -r179cd697f39a80fa34e7293a5f8a8700898ba4ce
--- dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision 9d116c25f6482d61d324558b8a1f745468030740)
+++ dialin/dg/dialysate_generator.py	(.../dialysate_generator.py)	(revision 179cd697f39a80fa34e7293a5f8a8700898ba4ce)
@@ -44,6 +44,7 @@
 from ..protocols.CAN import (DenaliCanMessenger, DenaliMessage, DenaliChannels)
 from ..common.msg_defs import MsgIds, MsgFieldPositions
 from .flush import FlushMode
+from .rtc import DGRTC
 
 
 class DG(_AbstractSubSystem):
@@ -167,6 +168,7 @@
         self.scheduled_runs_record = DGScheduledRunsNVRecord(self.can_interface, self.logger)
         self.valves = DGValves(self.can_interface, self.logger)
         self.flush = FlushMode(self.can_interface, self.logger)
+        self.rtc = DGRTC(self.can_interface, self.logger)
 
     def get_version(self):
         """
Index: dialin/dg/rtc.py
===================================================================
diff -u
--- dialin/dg/rtc.py	(revision 0)
+++ dialin/dg/rtc.py	(revision 179cd697f39a80fa34e7293a5f8a8700898ba4ce)
@@ -0,0 +1,82 @@
+###########################################################################
+#
+# Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
+#
+# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+#
+# @file rtc.py
+#
+# @author (last) Quang Nguyen
+# @date (last) 13-May-2021
+# @author (original) Quang Nguyen
+# @date (original) 13-May-2021
+#
+############################################################################
+import ctypes
+from ..protocols.CAN import (DenaliMessage, DenaliChannels)
+from ..utils.conversions import integer_to_bytearray
+from ..utils.base import _AbstractSubSystem, _publish
+from ..common.msg_defs import MsgIds
+from logging import Logger
+
+
+class DGRTC(_AbstractSubSystem):
+    """
+
+    Dialysate Generator (DG) Dialin API sub-class for rtc commands.
+
+    """
+
+    def __init__(self, can_interface, logger: Logger):
+        """
+
+        @param can_interface: Denali Can Messenger object
+        """
+
+        super().__init__()
+        self.can_interface = can_interface
+        self.logger = logger
+
+    def cmd_set_rtc_time_and_date(self, second: int, minute: int, hour: int, day: int, month: int, year: int) -> int:
+        """
+        Sets the RTC time and date from the provided
+
+        @param second: (int) Second
+        @param minute:  (int) Minute
+        @param hour:  (int) Hour
+        @param day: (int) Day
+        @param month: (int) Month
+        @param year: (int) Year
+        @return: 1 if Successful, False otherwise
+        """
+        sec = bytes([second])
+        mint = bytes([minute])
+        hour = bytes([hour])
+        day = bytes([day])
+        month = bytes([month])
+        year = integer_to_bytearray(year)
+        payload = sec + mint + hour + day + month + year
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id,
+                                              message_id=MsgIds.MSG_ID_DG_SET_RTC_DATE_TIME.value,
+                                              payload=payload)
+
+        self.logger.debug("Setting time and date to rtc")
+
+        # Send message
+        received_message = self.can_interface.send(message)
+
+        # If there is content...
+        if received_message is not None:
+
+            self.logger.debug(received_message)
+            # str_res = str(flow)
+            self.logger.debug("Time and Date in rtc set to seconds: " + str(sec) + " minutes: " + str(min) + " hours: " +
+                  str(hour) + " days: " + str(day) + " months: " + str(month) + " years: " + str(year) +
+                  str(received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]))
+            # response payload is OK or not OK
+            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
+        else:
+            self.logger.debug("Timeout!!!!")
+            return False
Index: tests/peter/set_RTCs.py
===================================================================
diff -u -r5e7404aa3f3a630e3d831643a4c7e91769d387ea -r179cd697f39a80fa34e7293a5f8a8700898ba4ce
--- tests/peter/set_RTCs.py	(.../set_RTCs.py)	(revision 5e7404aa3f3a630e3d831643a4c7e91769d387ea)
+++ tests/peter/set_RTCs.py	(.../set_RTCs.py)	(revision 179cd697f39a80fa34e7293a5f8a8700898ba4ce)
@@ -24,17 +24,26 @@
 if __name__ == "__main__":
     # create an HD object called hd
     hd = HD(log_level="DEBUG")
+    dg = DG(log_level="DEBUG")
 
-    if hd.cmd_log_in_to_hd():
-        current_time_stamp = time()
-        current_time = localtime(current_time_stamp)
-        print(current_time)
+    current_time_stamp = time()
+    current_time = localtime(current_time_stamp)
+    print(current_time)
 
+    if hd.cmd_log_in_to_hd():
         hd.rtc.cmd_set_rtc_time_and_date(current_time.tm_sec,
                                          current_time.tm_min,
                                          current_time.tm_hour,
                                          current_time.tm_mday,
                                          current_time.tm_mon,
                                          current_time.tm_year)
         print("Successfully set HD rtc")
-        #TODO - set DG clock when supported
+
+    if dg.cmd_log_in_to_dg():
+        dg.rtc.cmd_set_rtc_time_and_date(current_time.tm_sec,
+                                         current_time.tm_min,
+                                         current_time.tm_hour,
+                                         current_time.tm_mday,
+                                         current_time.tm_mon,
+                                         current_time.tm_year)
+        print("Successfully set DG rtc")