def valid_time(time):
    """Validate Time object.
    
    Return 'True' if its a valid time or 'False' if otherwise.
    
    time: Time object.
    """
    if time.hour < 0 or time.minute < 0 or time.second < 0:
        return False
    if time.minute >= 60 or time.second >= 60:
        return False
    return True