gistfile1.txt

using System;
using System.Globalization;

class C
{
	public static void Main ()
	{
		const DateTimeStyles DefaultStyles = DateTimeStyles.AssumeUniversal | DateTimeStyles.AllowWhiteSpaces;		
		string s = "Sun, 06 Nov 1994 08:49:37 GMT";
		
		DateTimeOffset value;
		bool b = DateTimeOffset.TryParseExact (s, "r", DateTimeFormatInfo.InvariantInfo, DefaultStyles, out value);
		Console.WriteLine (b);
		return;
	}
}