public boolean isBefore(Clock time) {
        boolean result = false;

        if (this.hour < time.hour)
            result = true;
        else if (this.hour == time.hour) {
            if (this.minute < time.minute)
                result = true;
            else if (this.minute == time.minute) {
                if (this.second < time.second)
                    result = true;
            }
        }
        else {
            return false;
        }

        return result;
    }