code: def set_time(self, timestamp):
          
          command = const.CMD_SET_TIME
          command_string = pack(b'I', self.__encode_time(timestamp))
          cmd_response = self.__send_command(command, command_string)
          if cmd_response.get('status'):
              return True
          else:
              raise ZKErrorResponse("can't set time")
docs: set Device time (pass datetime object)
  
          :param timestamp: python datetime object