Custom Date and Time Format Strings

http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx

Format specifier	Description	Examples
"d"	The day of the month, from 1 through 31. More information: The "d" Custom Format Specifier.	6/1/2009 1:45:30 PM -> 1 6/15/2009 1:45:30 PM -> 15
"dd"	The day of the month, from 01 through 31. More information: The "dd" Custom Format Specifier.	6/1/2009 1:45:30 PM -> 01 6/15/2009 1:45:30 PM -> 15
"ddd"	The abbreviated name of the day of the week. More information: The "ddd" Custom Format Specifier.	6/15/2009 1:45:30 PM -> Mon (en-US) 6/15/2009 1:45:30 PM -> Пн (ru-RU) 6/15/2009 1:45:30 PM -> lun. (fr-FR)
"dddd"	The full name of the day of the week. More information: The "dddd" Custom Format Specifier.	6/15/2009 1:45:30 PM -> Monday (en-US) 6/15/2009 1:45:30 PM -> понедельник (ru-RU) 6/15/2009 1:45:30 PM -> lundi (fr-FR)
"f"	The tenths of a second in a date and time value. More information: The "f" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 6 6/15/2009 13:45:30.050 -> 0
"ff"	The hundredths of a second in a date and time value. More information: The "ff" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 61 6/15/2009 13:45:30.005 -> 00
"fff"	The milliseconds in a date and time value. More information: The "fff" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 617 6/15/2009 13:45:30.0005 -> 000
"ffff"	The ten thousandths of a second in a date and time value. More information: The "ffff" Custom Format Specifier.	6/15/2009 13:45:30.6175 -> 6175 6/15/2009 13:45:30.00005 -> 0000
"fffff"	The hundred thousandths of a second in a date and time value. More information: The "fffff" Custom Format Specifier.	6/15/2009 13:45:30.61754 -> 61754 6/15/2009 13:45:30.000005 -> 00000
"ffffff"	The millionths of a second in a date and time value. More information: The "ffffff" Custom Format Specifier.	6/15/2009 13:45:30.617542 -> 617542 6/15/2009 13:45:30.0000005 -> 000000
"fffffff"	The ten millionths of a second in a date and time value. More information: The "fffffff" Custom Format Specifier.	6/15/2009 13:45:30.6175425 -> 6175425 6/15/2009 13:45:30.0001150 -> 0001150
"F"	If non-zero, the tenths of a second in a date and time value. More information: The "F" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 6 6/15/2009 13:45:30.050 -> (no output)
"FF"	If non-zero, the hundredths of a second in a date and time value. More information: The "FF" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 61 6/15/2009 13:45:30.005 -> (no output)
"FFF"	If non-zero, the milliseconds in a date and time value. More information: The "FFF" Custom Format Specifier.	6/15/2009 13:45:30.617 -> 617 6/15/2009 13:45:30.0005 -> (no output)
"FFFF"	If non-zero, the ten thousandths of a second in a date and time value. More information: The "FFFF" Custom Format Specifier.	6/1/2009 13:45:30.5275 -> 5275 6/15/2009 13:45:30.00005 -> (no output)
"FFFFF"	If non-zero, the hundred thousandths of a second in a date and time value. More information: The "FFFFF" Custom Format Specifier.	6/15/2009 13:45:30.61754 -> 61754 6/15/2009 13:45:30.000005 -> (no output)
"FFFFFF"	If non-zero, the millionths of a second in a date and time value. More information: The "FFFFFF" Custom Format Specifier.	6/15/2009 13:45:30.617542 -> 617542 6/15/2009 13:45:30.0000005 -> (no output)
"FFFFFFF"	If non-zero, the ten millionths of a second in a date and time value. More information: The "FFFFFFF" Custom Format Specifier.	6/15/2009 13:45:30.6175425 -> 6175425 6/15/2009 13:45:30.0001150 -> 000115
"g", "gg"	The period or era. More information: The "g" or "gg" Custom Format Specifier.	6/15/2009 1:45:30 PM -> A.D.
"h"	The hour, using a 12-hour clock from 1 to 12. More information: The "h" Custom Format Specifier.	6/15/2009 1:45:30 AM -> 1 6/15/2009 1:45:30 PM -> 1
"hh"	The hour, using a 12-hour clock from 01 to 12. More information: The "hh" Custom Format Specifier.	6/15/2009 1:45:30 AM -> 01 6/15/2009 1:45:30 PM -> 01
"H"	The hour, using a 24-hour clock from 0 to 23. More information: The "H" Custom Format Specifier.	6/15/2009 1:45:30 AM -> 1 6/15/2009 1:45:30 PM -> 13
"HH"	The hour, using a 24-hour clock from 00 to 23. More information: The "HH" Custom Format Specifier.	6/15/2009 1:45:30 AM -> 01 6/15/2009 1:45:30 PM -> 13
"K"	Time zone information. More information: The "K" Custom Format Specifier.	With DateTime values: 6/15/2009 1:45:30 PM, Kind Unspecified -> 6/15/2009 1:45:30 PM, Kind Utc -> Z 6/15/2009 1:45:30 PM, Kind Local -> -07:00 (depends on local computer settings) With DateTimeOffset values: 6/15/2009 1:45:30 AM -07:00 --> -07:00 6/15/2009 8:45:30 AM +00:00 --> +00:00
"m"	The minute, from 0 through 59. More information: The "m" Custom Format Specifier.	6/15/2009 1:09:30 AM -> 9 6/15/2009 1:09:30 PM -> 9
"mm"	The minute, from 00 through 59. More information: The "mm" Custom Format Specifier.	6/15/2009 1:09:30 AM -> 09 6/15/2009 1:09:30 PM -> 09
"M"	The month, from 1 through 12. More information: The "M" Custom Format Specifier.	6/15/2009 1:45:30 PM -> 6
"MM"	The month, from 01 through 12. More information: The "MM" Custom Format Specifier.	6/15/2009 1:45:30 PM -> 06
"MMM"	The abbreviated name of the month. More information: The "MMM" Custom Format Specifier.	6/15/2009 1:45:30 PM -> Jun (en-US) 6/15/2009 1:45:30 PM -> juin (fr-FR) 6/15/2009 1:45:30 PM -> Jun (zu-ZA)
"MMMM"	The full name of the month. More information: The "MMMM" Custom Format Specifier.	6/15/2009 1:45:30 PM -> June (en-US) 6/15/2009 1:45:30 PM -> juni (da-DK) 6/15/2009 1:45:30 PM -> uJuni (zu-ZA)
"s"	The second, from 0 through 59. More information: The "s" Custom Format Specifier.	6/15/2009 1:45:09 PM -> 9
"ss"	The second, from 00 through 59. More information: The "ss" Custom Format Specifier.	6/15/2009 1:45:09 PM -> 09
"t"	The first character of the AM/PM designator. More information: The "t" Custom Format Specifier.	6/15/2009 1:45:30 PM -> P (en-US) 6/15/2009 1:45:30 PM -> 午 (ja-JP) 6/15/2009 1:45:30 PM -> (fr-FR)
"tt"	The AM/PM designator. More information: The "tt" Custom Format Specifier.	6/15/2009 1:45:30 PM -> PM (en-US) 6/15/2009 1:45:30 PM -> 午後 (ja-JP) 6/15/2009 1:45:30 PM -> (fr-FR)
"y"	The year, from 0 to 99. More information: The "y" Custom Format Specifier.	1/1/0001 12:00:00 AM -> 1 1/1/0900 12:00:00 AM -> 0 1/1/1900 12:00:00 AM -> 0 6/15/2009 1:45:30 PM -> 9
"yy"	The year, from 00 to 99. More information: The "yy" Custom Format Specifier.	1/1/0001 12:00:00 AM -> 01 1/1/0900 12:00:00 AM -> 00 1/1/1900 12:00:00 AM -> 00 6/15/2009 1:45:30 PM -> 09
"yyy"	The year, with a minimum of three digits. More information: The "yyy" Custom Format Specifier.	1/1/0001 12:00:00 AM -> 001 1/1/0900 12:00:00 AM -> 900 1/1/1900 12:00:00 AM -> 1900 6/15/2009 1:45:30 PM -> 2009
"yyyy"	The year as a four-digit number. More information: The "yyyy" Custom Format Specifier.	1/1/0001 12:00:00 AM -> 0001 1/1/0900 12:00:00 AM -> 0900 1/1/1900 12:00:00 AM -> 1900 6/15/2009 1:45:30 PM -> 2009
"yyyyy"	The year as a five-digit number. More information: The "yyyyy" Custom Format Specifier.	1/1/0001 12:00:00 AM -> 00001 6/15/2009 1:45:30 PM -> 02009
"z"	Hours offset from UTC, with no leading zeros. More information: The "z" Custom Format Specifier.	6/15/2009 1:45:30 PM -07:00 -> -7
"zz"	Hours offset from UTC, with a leading zero for a single-digit value. More information: The "zz" Custom Format Specifier.	6/15/2009 1:45:30 PM -07:00 -> -07
"zzz"	Hours and minutes offset from UTC. More information: The "zzz" Custom Format Specifier.	6/15/2009 1:45:30 PM -07:00 -> -07:00
":"	The time separator. More information: The ":" Custom Format Specifier.	6/15/2009 1:45:30 PM -> : (en-US) 6/15/2009 1:45:30 PM -> . (it-IT) 6/15/2009 1:45:30 PM -> : (ja-JP)
"/"	The date separator. More Information: The "/" Custom Format Specifier.	6/15/2009 1:45:30 PM -> / (en-US) 6/15/2009 1:45:30 PM -> - (ar-DZ) 6/15/2009 1:45:30 PM -> . (tr-TR)
"string" 'string'	Literal string delimiter.	6/15/2009 1:45:30 PM ("arr:" h:m t) -> arr: 1:45 P 6/15/2009 1:45:30 PM ('arr:' h:m t) -> arr: 1:45 P
%	Defines the following character as a custom format specifier. More information: Using Single Custom Format Specifiers.	6/15/2009 1:45:30 PM (%h) -> 1
\	The escape character.	6/15/2009 1:45:30 PM (h \h) -> 1 h
Any other character	The character is copied to the result string unchanged. More information: Using the Escape Character.	6/15/2009 1:45:30 AM (arr hh:mm t) -> arr 01:45 A