C# 根据日期返回星期

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
class Program
{
static void Main(string[] args)
{
string today = "2009-11-08";
DateTime day = Convert.ToDateTime(today);
//英文星期
string week = day.DayOfWeek.ToString();//英文星期
int intw = (int)day.DayOfWeek;//数字
Console.WriteLine(intw.ToString());
Console.WriteLine(week);
//中文星期
System.Globalization.CultureInfo cultureInfo = new System.Globalization.CultureInfo("zh-CN");
string week_cn = "星期" + cultureInfo.DateTimeFormat.GetAbbreviatedDayName(day.DayOfWeek).ToString();
Console.WriteLine(week_cn);
Console.ReadKey();
}
}
}