/**
     *
     * @param other
     *            zweite Zeit
     * @return true/ false, ob danach
     */
    public boolean isAfter(DateTimeBi other) {
        return (milliseconds >= other.milliseconds);
    }

    /**
     *
     * @param other
     *            zweite Zeit
     * @return true/ false, ob davor
     */
    public boolean isBefore(DateTimeBi other) {
        return (milliseconds <= other.milliseconds);
    }

    /**
     * wie oben, nur wird jetzt lediglich noch auf den Tag/ Stunden/ etc. geschaut
     *
     * @param other
     *            anderes Datum
     * @param ignoreWeek
     *            woche soll außen vor gelassen werden
     * @return true/ false
     */
    public boolean isAfter(DateTimeBi other, boolean ignoreWeek) {
        long millinew = milliseconds;
        long othermilli = other.milliseconds;
        if (ignoreWeek) {
            millinew -= getYear() * YEARMILLI + getMonth() * MONTHMILLI + getWeeks() * WEEKMILLI;
            othermilli -= other.getYear() * YEARMILLI + other.getMonth() * MONTHMILLI + other.getWeeks() * WEEKMILLI;
        }
        return (millinew >= othermilli);
    }

    /**
     * wie oben, nur wird jetzt lediglich noch auf den Tag/ Stunden/ etc. geschaut
     *
     * @param other
     *            anderes Datum
     * @param ignoreWeek
     *            woche soll außen vor gelassen werden
     * @return true/ false
     */
    public boolean isBefore(DateTimeBi other, boolean ignoreWeek) {
        long millinew = milliseconds;
        long othermilli = other.milliseconds;
        if (ignoreWeek) {
            millinew -= getYear() * YEARMILLI + getMonth() * MONTHMILLI + getWeeks() * WEEKMILLI;
            othermilli -= other.getYear() * YEARMILLI + other.getMonth() * MONTHMILLI + other.getWeeks() * WEEKMILLI;
        }
        // if (milliseconds < other.milliseconds) {
        // return true;
        // }else if(milliseconds == other.milliseconds){
        // return true;
        // }else {
        // return false;
        // }

        return (millinew <= othermilli);
    }