datetime string format

// create date time 2008-03-09 16:05:07.123DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);String.Format("{0:y yy yyy yyyy}", dt); // "8 08 008 2008" yearString.Format("{0:M MM MMM MMMM}", dt); // "3 03 Mar March" monthString.Format("{0:d dd ddd dddd}", dt); // "9 09 Sun Sunday" dayString.Format("{0:h hh H HH}", dt); // "4 04 16 16" hour 12/24String.Format("{0:m mm}", dt); // "5 05" minuteString.Format("{0:s ss}", dt); // "7 07" secondString.Format("{0:f ff fff ffff}", dt); // "1 12 123 1230" sec.fractionString.Format("{0:F FF FFF FFFF}", dt); // "1 12 123 123" without zeroesString.Format("{0:t tt}", dt); // "P PM" A.M. or P.M.String.Format("{0:z zz zzz}", dt); // "-6 -06 -06:00" time zone// date separator in german culture is "." (so "/" changes to ".")String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9/3/2008 16:05:07" - english (en-US)String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9.3.2008 16:05:07" - german (de-DE)// month/day numbers without/with leading zeroesString.Format("{0:M/d/yyyy}", dt); // "3/9/2008"String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"// 日和月的显示String.Format("{0:ddd, MMM d, yyyy}", dt); // "Sun, Mar 9, 2008"String.Format("{0:dddd, MMMM d, yyyy}", dt); // "Sunday, March 9, 2008"// 两个或四个年份字String.Format("{0:MM/dd/yy}", dt); // "03/09/08"String.Format("{0:MM/dd/yyyy}", dt); // "03/09/2008"String.Format("{0:t}", dt); // "4:05 PM" ShortTimeString.Format("{0:d}", dt); // "3/9/2008" ShortDateString.Format("{0:T}", dt); // "4:05:07 PM" LongTimeString.Format("{0:D}", dt); // "Sunday, March 09, 2008" LongDateString.Format("{0:f}", dt); // "Sunday, March 09, 2008 4:05 PM" LongDate+ShortTimeString.Format("{0:F}", dt); // "Sunday, March 09, 2008 4:05:07 PM" FullDateTimeString.Format("{0:g}", dt); // "3/9/2008 4:05 PM" ShortDate+ShortTimeString.Format("{0:G}", dt); // "3/9/2008 4:05:07 PM" ShortDate+LongTimeString.Format("{0:m}", dt); // "March 09" MonthDayString.Format("{0:y}", dt); // "March, 2008" YearMonthString.Format("{0:r}", dt); // "Sun, 09 Mar 2008 16:05:07 GMT" RFC1123String.Format("{0:s}", dt); // "2008-03-09T16:05:07" SortableDateTimeString.Format("{0:u}", dt); // "2008-03-09 16:05:07Z" UniversalSortableDateTime