Try following :
DateTime date = DateTime.Now;
DateTime EET = TimeZoneInfo.ConvertTime(date, TimeZoneInfo.FindSystemTimeZoneById("E. Europe Standard Time"));
string dateEE = EET.ToString(@"ddd MMM dd yyyy HH:mm:ss G\MT+0200");
solved How to convert date time to format Sat Feb 17 2018 13:35:33 GMT+0200 (EET)