def METHOD_NAME(unix_time):
    """Helper function to determine whether the provided UNIX time is valid.
    Args:
        unix_time (int): The user provided UNIX time.
    Returns:
        bool: Indicates whether the provided UNIX time was valid or not.
    """
    try:
        datetime.fromtimestamp(unix_time)
        return True
    except (OverflowError, ValueError):
        return False