String Format for DateTime [C#]

// create date time 2008-03-09 16:05:07.123

DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);

String.Format("{0:y yy yyy yyyy}", dt);  // "8 08 008 2008"   year

String.Format("{0:M MM MMM MMMM}", dt);  // "3 03 Mar March"  month

String.Format("{0:d dd ddd dddd}", dt);  // "9 09 Sun Sunday" day

String.Format("{0:h hh H HH}", dt);  // "4 04 16 16"      hour 12/24

String.Format("{0:m mm}", dt);  // "5 05"            minute

String.Format("{0:s ss}", dt);  // "7 07"            second

String.Format("{0:f ff fff ffff}", dt);  // "1 12 123 1230"   sec.fraction

String.Format("{0:F FF FFF FFFF}", dt);  // "1 12 123 123"    without zeroes

String.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 culture is "."

String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9/3/2008 16:05:07"

String.Format("{0:d/M/yyyy HH:mm:ss}", dt); // "9.3.2008 16:05:07"

// month/day numbers without/with leading zeroes

String.Format("{0:M/d/yyyy}", dt);            // "3/9/2011"

String.Format("{0:MM/dd/yyyy}", dt);          // "13/09/2011"

// day/month names

String.Format("{0:ddd, MMM d, yyyy}", dt);    // "Sun, Mar 9, 2011"

String.Format("{0:dddd, MMMM d, yyyy}", dt);  // "Sunday, March 9, 2011"

// two/four digit year

String.Format("{0:MM/dd/yy}", dt);            // "13/09/11"

String.Format("{0:MM/dd/yyyy}", dt);          // "13/09/2011"

//standard format specifiers

String.Format("{0:t}", dt);  // "4:05 PM"                         ShortTime

String.Format("{0:d}", dt);  // "13/9/2011"                        ShortDate

String.Format("{0:T}", dt);  // "4:05:07 PM"                      LongTime

String.Format("{0:D}", dt);  // "Sunday, March 09, 2011"          LongDate

String.Format("{0:f}", dt);  // "Sunday, March 09, 2011 4:05 PM"  LongDate+ShortTime

String.Format("{0:F}", dt);  // "Sunday, March 09, 2011 4:05:07 PM" FullDateTime

String.Format("{0:g}", dt);  // "3/9/2011 4:05 PM"                ShortDate+ShortTime

String.Format("{0:G}", dt);  // "3/9/2011 4:05:07 PM"             ShortDate+LongTime

String.Format("{0:m}", dt);  // "March 11"                        MonthDay

String.Format("{0:y}", dt);  // "March, 2011"                     YearMonth

String.Format("{0:r}", dt);  // "Sun, 09 Mar 2011 16:05:07 GMT"   RFC1123

String.Format("{0:s}", dt);  // "2011-03-09T16:05:07"             SortableDateTime

String.Format("{0:u}", dt);  // "2011-03-09 16:05:07Z"            UniversalSortableDateTime