C# 国际日期（英文日期，新浪微博api日期）转换

var ss = "Fri Oct 21 17:08:26 +0800 2016";

CultureInfo provider = CultureInfo.InvariantCulture;
string format = "ddd MMM dd HH:mm:ss zzz yyyy";
DateTime dt = DateTime.ParseExact(ss, format, provider);
Console.WriteLine(dt.ToString("yyyy mm dd"));