C# 实现计算生辰八字

?using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace BrithdayEigth
{
  public partial class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    public static string[] date = {
     "甲子", "乙丑", "丙寅", "丁卯", "戊辰", "己巳", "庚午", "辛未", "壬申", "癸酉",
     "甲戊", "乙亥", "丙子", "丁丑", "戊寅", "乙卯", "庚辰", "辛巳", "壬午", "癸未",     "甲申", "乙酉", "丙戌", "丁亥", "戊子", "己丑", "庚寅", "辛卯", "壬辰", "癸巳",     "甲午", "乙未", "丙申", "丁酉", "戊戌", "己亥", "庚子", "辛丑", "壬寅", "癸卯",     "甲辰", "乙巳", "丙午", "丁未", "戊申", "乙酉", "庚戌", "辛亥", "壬子", "癸丑",     "甲寅", "乙卯", "丙辰", "丁巳", "戊午", "己未", "庚申", "辛酉", "壬戌", "癸亥"
                   };
    public int yearZi=0;
    private void btnOk_Click(object sender, EventArgs e)
    {
      DateTime dt=Day.Value;
      int year=dt.Year;
      int moon = dt.Month;
      int date = dt.DayOfYear;
      MessageBox.Show("Test:"+(year%60-3)+":"+moon+":"+date);
      //调用获得年生辰的方法
      String yearZi = yearZ(year);
      string moonZi = moonZ(moon,year);
      string dayZi = dayei(year, date);
      int hour = int.Parse(hourDate.Text);
     string hourZi= Hours(hour, date, year);
      txtBrithday.Text = yearZi+" "+moonZi+" "+dayZi+" "+hourZi;
    }
    private void Form1_Load(object sender, EventArgs e)
    {
    }
    //获得年生辰的方法
    public string yearZ(int y) {
      int yearZie = yearNum(y);
      return date[yearZie-1];
    }
    public string moonZ(int m,int year) {
      int yearZie = yearNum(year);
      if (yearZie >= 12)
      {
        if (yearZie % 10 == 6 || yearZie % 10 == 1)
        {
          return date[2+m-1];
        }
        else if (yearZie % 10 == 2 || yearZie % 10 == 7) {
          return date[14 + m - 1];
        }
        else if (yearZie % 10 == 3 || yearZie % 10 == 8)
        {
          return date[26 + m - 1];
        }
        else if (yearZi % 10 == 4 || yearZi % 10 == 9)
        {
          return date[38 + m - 1];
        }
        else if (yearZie % 10 == 5 || yearZie % 10 == 0)
        {
          return date[50 + m - 1 > 60 ? (m - 11) : 49 + m];
        }
      }
      else
      {
        if (yearZie == 6 || yearZie == 1)
        {
          return date[2 + m - 1];
        }
        else if (yearZie == 2 || yearZie == 7)
        {
          return date[14 + m - 1];
        }
        else if (yearZie == 3 || yearZie == 8)
        {
          return date[26 + m - 1];
        }
        else if (yearZi == 4 || yearZi == 9)
        {
          return date[38 + m - 1];
        }
        else if (yearZie== 5 || yearZie == 10)
        {
          return date[50 + m - 1>60?(m-11):49+m];
        }
      }
      return date[1];
    }
    public string dayei(int year,int day) {
      int yearZie = yearNum(year);
      return date[(yearZie + day)%60-1];
    }
    public string Hours(int hour,int day,int year) {
      int yearZie=yearNum(year);
      string strH = "";
      int datey=(yearZie+day)%60-1;
      int dateZi=datey%10;
      if (dateZi == 1 || dateZi == 5)
      {
        strH += "甲";
      }
      else if (dateZi == 2 || dateZi == 6)
      {
        strH += "丙";
      }
      else if (dateZi == 3 || dateZi == 7)
      {
        strH += "戊";
      }
      else if (dateZi == 4 || dateZi == 8)
      {
        strH += "庚";
      }
      else if (dateZi == 5 || dateZi == 0)
      {
        strH += "壬";
      }
      if (hour > 0 && hour <= 1)
      {
         strH+="子";
      }
      else if (hour > 1 && hour <= 3)
      {
        strH += "丑";
      }
      else if (hour > 3 && hour <= 5)
      {
        strH += "寅";
      }
      else if (hour > 5 && hour <= 7)
      {
        strH += "卯";
      }
      else if (hour > 7 && hour <= 9)
      {
        strH += "辰";
      }
      else if (hour > 9 && hour <= 11)
      {
        strH += "巳";
      }
      else if (hour > 11 && hour <= 13)
      {
        strH += "午";
      }
      else if (hour > 13 && hour <= 15)
      {
        strH += "未";
      }
      else if (hour > 15 && hour <= 17)
      {
        strH += "申";
      }
      else if (hour > 17 && hour <= 19)
      {
        strH += "子";
      }
      else if (hour > 19 && hour <= 21)
      {
        strH += "酉";
      }
      else if (hour > 21 && hour <= 23)
      {
        strH += "戊";
      }
      else if (hour > 0 && hour <= 1)
      {
        strH += "亥";
      }
      return strH;
    }
    public int yearNum(int year) {
      int yearZie = year % 60 - 3;
      if (yearZie <= 0)
      {
        yearZie += 60;
      }
      return yearZie;
    }
  }
}