1.先引用using System.Globalization;
2.调用一下代码
ChineseLunisolarCalendar ChineseCalendar = new ChineseLunisolarCalendar();
int year = ChineseCalendar.GetYear(DateTime.Now);
int day = ChineseCalendar.GetDayOfMonth(DateTime.Now);
int month = ChineseCalendar.GetMonth(DateTime.Now);
int leapMonth = ChineseCalendar.GetLeapMonth(year);
string date= string.Format("农历{0}{1}({2})年{3}{4}月{5}{6}"
, "甲乙丙丁戊己庚辛壬癸"[(year - 4) % 10]
, "子丑寅卯辰巳午未申酉戌亥"[(year - 4) % 12]
, "鼠牛虎兔龙蛇马羊猴鸡狗猪"[(year - 4) % 12]
, month == leapMonth ? "闰" : ""
, "无正二三四五六七八九十冬腊"[leapMonth > 0 && leapMonth <= month ? month - 1 : month]
, "初十廿三"[day / 10]
, "十一二三四五六七八九"[day % 10]
);
3.结果如下:2018年5月27日 星期日 农历戊戌(狗)年四月十三