Get the date/time on the base unit.

        :return: the date/time to be set on the base unit.

async def async_get_datetime(self) -> Optional[datetime]:
        """
        Get the date/time on the base unit.

        :return: the date/time to be set on the base unit.
        """

        response = await self._protocol.async_execute(
            GetDateTimeCommand())
        if isinstance(response, DateTimeResponse):
            return response.remote_datetime
        return None