Display whether network time is on or off

    :return: True if network time is on, False if off
    :rtype: bool

    CLI Example:

    .. code-block:: bash

        salt '*' timezone.get_using_network_time

def get_using_network_time():
    '''
    Display whether network time is on or off

    :return: True if network time is on, False if off
    :rtype: bool

    CLI Example:

    .. code-block:: bash

        salt '*' timezone.get_using_network_time
    '''
    ret = salt.utils.mac_utils.execute_return_result(
        'systemsetup -getusingnetworktime')

    return salt.utils.mac_utils.validate_enabled(
        salt.utils.mac_utils.parse_return(ret)) == 'on'