Method getTimeNineStar

src/main/java/com/nlf/calendar/Lunar.java:2194–2211

获取值时九星（时家紫白星歌诀：三元时白最为佳，冬至阳生顺莫差，孟日七宫仲一白，季日四绿发萌芽，每把时辰起甲子，本时星耀照光华，时星移入中宫去，顺飞八方逐细查。夏至阴生逆回首，孟归三碧季加六，仲在九宫时起甲，依然掌中逆轮跨。） @return 九星

()

   * @return 九星
   */
  public NineStar getTimeNineStar() {
    String solarYmd = solar.toYmd();
    boolean asc = false;
    if ((solarYmd.compareTo(jieQi.get("冬至").toYmd()) >= 0 && solarYmd.compareTo(jieQi.get("夏至").toYmd()) < 0)) {
      asc = true;
    } else if (solarYmd.compareTo(jieQi.get("DONG_ZHI").toYmd()) >= 0) {
      asc = true;
    }
    int start = asc ? 6 : 2;
    String dayZhi = getDayZhi();
    if ("子午卯酉".contains(dayZhi)) {
      start = asc ? 0 : 8;
    } else if ("辰戌丑未".contains(dayZhi)) {
      start = asc ? 3 : 5;
    }
    int index = asc ? start + timeZhiIndex : start + 9 - timeZhiIndex;
    return new NineStar(index % 9);
  }

  /**
   * 获取节气表（节气名称:阳历），节气交接时刻精确到秒，以冬至开头，按先后顺序排列