C#实现的阴历阳历互相转化类实例

/// <summary>
/// 中国日历信息实体类
/// </summary>
public sealed class ChineseCalendarInfo
{
    private DateTime m_SolarDate;
    private int m_LunarYear, m_LunarMonth, m_LunarDay;
    private bool m_IsLeapMonth = false;
    private string m_LunarYearSexagenary = null, m_LunarYearAnimal = null;
    private string m_LunarYearText = null, m_LunarMonthText = null, m_LunarDayText = null;
    private string m_SolarWeekText = null, m_SolarConstellation = null, m_SolarBirthStone = null;
    日历属性
    /// <summary>
    /// 根据指定阳历日期计算星座＆诞生石
    /// </summary>
    /// <param name="date">指定阳历日期</param>
    /// <param name="constellation">星座</param>
    /// <param name="birthstone">诞生石</param>
    public static void CalcConstellation(DateTime date, out string constellation, out string birthstone)
    {
      int i = Convert.ToInt32(date.ToString("MMdd"));
      int j;
      if (i >= 321 && i <= 419)
        j = 0;
      else if (i >= 420 && i <= 520)
        j = 1;
      else if (i >= 521 && i <= 621)
        j = 2;
      else if (i >= 622 && i <= 722)
        j = 3;
      else if (i >= 723 && i <= 822)
        j = 4;
      else if (i >= 823 && i <= 922)
        j = 5;
      else if (i >= 923 && i <= 1023)
        j = 6;
      else if (i >= 1024 && i <= 1121)
        j = 7;
      else if (i >= 1122 && i <= 1221)
        j = 8;
      else if (i >= 1222 || i <= 119)
        j = 9;
      else if (i >= 120 && i <= 218)
        j = 10;
      else if (i >= 219 && i <= 320)
        j = 11;
      else
      {
        constellation = "未知星座";
        birthstone = "未知诞生石";
        return;
      }
      constellation = Constellations[j];
      birthstone = BirthStones[j];
      星座划分
    }
    阴历转阳历
    从阴历创建日历
    private static ChineseLunisolarCalendar calendar = new ChineseLunisolarCalendar();
    public const string ChineseNumber = "〇一二三四五六七八九";
    public const string CelestialStem = "甲乙丙丁戊己庚辛壬癸";
    public const string TerrestrialBranch = "子丑寅卯辰巳午未申酉戌亥";
    public const string Animals = "鼠牛虎兔龙蛇马羊猴鸡狗猪";
    public static readonly string[] ChineseWeekName = new string[] { "星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
    public static readonly string[] ChineseDayName = new string[] {
      "初一","初二","初三","初四","初五","初六","初七","初八","初九","初十",
      "十一","十二","十三","十四","十五","十六","十七","十八","十九","二十",
      "廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十"};
    public static readonly string[] ChineseMonthName = new string[] { "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二" };
    public static readonly string[] Constellations = new string[] { "白羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座", "天蝎座", "射手座", "摩羯座", "水瓶座", "双鱼座" };
    public static readonly string[] BirthStones = new string[] { "钻石", "蓝宝石", "玛瑙", "珍珠", "红宝石", "红条纹玛瑙", "蓝宝石", "猫眼石", "黄宝石", "土耳其玉", "紫水晶", "月长石，血石" };
}