Method computeDay

src/main/java/com/nlf/calendar/Lunar.java:349–377

计算干支纪日

()

   * 计算干支纪日
   */
  private void computeDay() {
    Solar noon = Solar.fromYmdHms(solar.getYear(), solar.getMonth(), solar.getDay(), 12, 0, 0);
    int offset = (int) noon.getJulianDay() - 11;
    dayGanIndex = offset % 10;
    dayZhiIndex = offset % 12;

    int dayGanExact = dayGanIndex;
    int dayZhiExact = dayZhiIndex;

    // 八字流派2，晚子时（夜子/子夜）日柱算当天
    dayGanIndexExact2 = dayGanExact;
    dayZhiIndexExact2 = dayZhiExact;

    // 八字流派1，晚子时（夜子/子夜）日柱算明天
    String hm = (hour < 10 ? "0" : "") + hour + ":" + (minute < 10 ? "0" : "") + minute;
    if (hm.compareTo("23:00") >= 0 && hm.compareTo("23:59") <= 0) {
      dayGanExact++;
      if (dayGanExact >= 10) {
        dayGanExact -= 10;
      }
      dayZhiExact++;
      if (dayZhiExact >= 12) {
        dayZhiExact -= 12;
      }
    }

    dayGanIndexExact = dayGanExact;
    dayZhiIndexExact = dayZhiExact;
  }

  /**
   * 计算干支纪时