Thursday, 19 May 2011

SQL Server Date-Time Formats

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Here's a summary of the different date formats that come standard in SQL Server as part of the CONVERT function. Following the standard date formats are some extended date formats

Standard Date Formats
Date Format Standard SQL Statement Sample Output
Mon DD YYYY
HH:MIAM (or PM)		 Default SELECT CONVERT(VARCHAR(20), GETDATE(), 100) Jan 1 2011 11:29PM
MM/DD/YY USA SELECT CONVERT(VARCHAR(8), GETDATE(), 1) AS [MM/DD/YY] 11/23/98
MM/DD/YYYY USA SELECT CONVERT(VARCHAR(10), GETDATE(), 101) AS [MM/DD/YYYY] 11/23/2011
YY.MM.DD ANSI SELECT CONVERT(VARCHAR(8), GETDATE(), 2) AS [YY.MM.DD] 93.01.01
YYYY.MM.DD ANSI SELECT CONVERT(VARCHAR(10), GETDATE(), 102) AS [YYYY.MM.DD] 2011.01.01
DD/MM/YY British/French SELECT CONVERT(VARCHAR(8), GETDATE(), 3) AS [DD/MM/YY] 19/02/93
DD/MM/YYYY British/French SELECT CONVERT(VARCHAR(10), GETDATE(), 103) AS [DD/MM/YYYY] 19/02/2011
DD.MM.YY German SELECT CONVERT(VARCHAR(8), GETDATE(), 4) AS [DD.MM.YY] 25.12.05
DD.MM.YYYY German SELECT CONVERT(VARCHAR(10), GETDATE(), 104) AS [DD.MM.YYYY] 25.12.2011
DD-MM-YY Italian SELECT CONVERT(VARCHAR(8), GETDATE(), 5) AS [DD-MM-YY] 24-01-92
DD-MM-YYYY Italian SELECT CONVERT(VARCHAR(10), GETDATE(), 105) AS [DD-MM-YYYY] 24-01-2011
DD Mon YY - SELECT CONVERT(VARCHAR(9), GETDATE(), 6) AS [DD MON YY] 04 Jul 11
DD Mon YYYY - SELECT CONVERT(VARCHAR(11), GETDATE(), 106) AS [DD MON YYYY] 04 Jul 2011
Mon DD, YY - SELECT CONVERT(VARCHAR(10), GETDATE(), 7) AS [Mon DD, YY] Jan 24, 11
Mon DD, YYYY - SELECT CONVERT(VARCHAR(12), GETDATE(), 107) AS [Mon DD, YYYY] Jan 24, 2011
HH:MM:SS - SELECT CONVERT(VARCHAR(8), GETDATE(), 108) 03:24:53
Mon DD YYYY HH:MI:SS:MMMAM (or PM) Default +
milliseconds		 SELECT CONVERT(VARCHAR(26), GETDATE(), 109) Apr 28 2011 12:32:29:253PM
MM-DD-YY USA SELECT CONVERT(VARCHAR(8), GETDATE(), 10) AS [MM-DD-YY] 01-02-11
MM-DD-YYYY USA SELECT CONVERT(VARCHAR(10), GETDATE(), 110) AS [MM-DD-YYYY] 01-01-2011
YY/MM/DD - SELECT CONVERT(VARCHAR(8), GETDATE(), 11) AS [YY/MM/DD] 98/11/23
YYYY/MM/DD - SELECT CONVERT(VARCHAR(10), GETDATE(), 111) AS [YYYY/MM/DD] 2011/11/23
YYMMDD ISO SELECT CONVERT(VARCHAR(6), GETDATE(), 12) AS [YYMMDD] 920124
YYYYMMDD ISO SELECT CONVERT(VARCHAR(8), GETDATE(), 112) AS [YYYYMMDD] 20110124
DD Mon YYYY HH:MM:SS:MMM(24h) Europe default + milliseconds SELECT CONVERT(VARCHAR(24), GETDATE(), 113) 28 Apr 2011 00:34:55:190
HH:MI:SS:MMM(24H) - SELECT CONVERT(VARCHAR(12), GETDATE(), 114) AS [HH:MI:SS:MMM(24H)] 11:34:23:013
YYYY-MM-DD HH:MI:SS(24h) ODBC Canonical SELECT CONVERT(VARCHAR(19), GETDATE(), 120) 2011-01-01 13:42:24
YYYY-MM-DD HH:MI:SS.MMM(24h) ODBC Canonical
(with milliseconds)		 SELECT CONVERT(VARCHAR(23), GETDATE(), 121) 2011-02-19 06:35:24.489
YYYY-MM-DDTHH:MM:SS:MMM ISO8601 SELECT CONVERT(VARCHAR(23), GETDATE(), 126) 2011-11-23T11:25:43:250
DD Mon YYYY HH:MI:SS:MMMAM Kuwaiti SELECT CONVERT(VARCHAR(26), GETDATE(), 130) 28 Apr 2011 12:39:32:429AM
DD/MM/YYYY HH:MI:SS:MMMAM Kuwaiti SELECT CONVERT(VARCHAR(25), GETDATE(), 131) 28/04/2011 12:39:32:429AM

Some more date formats that does not come standard in SQL Server as part of the CONVERT function.

Extended Date Formats
Date Format SQL Statement Sample Output
YY-MM-DD
SELECT SUBSTRING(CONVERT(VARCHAR(10), GETDATE(), 120), 3, 8) AS [YY-MM-DD]
SELECT REPLACE(CONVERT(VARCHAR(8), GETDATE(), 11), '/', '-') AS [YY-MM-DD]
 92-01-24
YYYY-MM-DD
SELECT CONVERT(VARCHAR(10), GETDATE(), 120) AS [YYYY-MM-DD]
SELECT REPLACE(CONVERT(VARCHAR(10), GETDATE(), 111), '/', '-') AS [YYYY-MM-DD]
 2011-01-24
MM/YY SELECT RIGHT(CONVERT(VARCHAR(8), GETDATE(), 3), 5) AS [MM/YY]
SELECT SUBSTRING(CONVERT(VARCHAR(8), GETDATE(), 3), 4, 5) AS [MM/YY]		 08/92
MM/YYYY SELECT RIGHT(CONVERT(VARCHAR(10), GETDATE(), 103), 7) AS [MM/YYYY] 12/2011
YY/MM SELECT CONVERT(VARCHAR(5), GETDATE(), 11) AS [YY/MM] 92/08
YYYY/MM SELECT CONVERT(VARCHAR(7), GETDATE(), 111) AS [YYYY/MM] 2011/12
Month DD, YYYY SELECT DATENAME(MM, GETDATE()) + RIGHT(CONVERT(VARCHAR(12), GETDATE(), 107), 9) AS [Month DD, YYYY] July 04, 2011
Mon YYYY SELECT SUBSTRING(CONVERT(VARCHAR(11), GETDATE(), 113), 4, 8) AS [Mon YYYY] Apr 2011
Month YYYY SELECT DATENAME(MM, GETDATE()) + ' ' + CAST(YEAR(GETDATE()) AS VARCHAR(4)) AS [Month YYYY] February 2011
DD Month SELECT CAST(DAY(GETDATE()) AS VARCHAR(2)) + ' ' + DATENAME(MM, GETDATE()) AS [DD Month] 11 September
Month DD SELECT DATENAME(MM, GETDATE()) + ' ' + CAST(DAY(GETDATE()) AS VARCHAR(2)) AS [Month DD] September 11
DD Month YY SELECT CAST(DAY(GETDATE()) AS VARCHAR(2)) + ' ' + DATENAME(MM, GETDATE()) + ' ' + RIGHT(CAST(YEAR(GETDATE()) AS VARCHAR(4)), 2) AS [DD Month YY] 19 February 92
DD Month YYYY SELECT CAST(DAY(GETDATE()) AS VARCHAR(2)) + ' ' + DATENAME(MM, GETDATE()) + ' ' + CAST(YEAR(GETDATE()) AS VARCHAR(4)) AS [DD Month YYYY] 11 September 2011
MM-YY SELECT RIGHT(CONVERT(VARCHAR(8), GETDATE(), 5), 5) AS [MM-YY]
SELECT SUBSTRING(CONVERT(VARCHAR(8), GETDATE(), 5), 4, 5) AS [MM-YY]		 12/92
MM-YYYY SELECT RIGHT(CONVERT(VARCHAR(10), GETDATE(), 105), 7) AS [MM-YYYY] 05-2011
YY-MM SELECT RIGHT(CONVERT(VARCHAR(7), GETDATE(), 120), 5) AS [YY-MM]
SELECT SUBSTRING(CONVERT(VARCHAR(10), GETDATE(), 120), 3, 5) AS [YY-MM]		 92/12
YYYY-MM SELECT CONVERT(VARCHAR(7), GETDATE(), 120) AS [YYYY-MM] 2011-05
MMDDYY SELECT REPLACE(CONVERT(VARCHAR(10), GETDATE(), 1), '/', '') AS [MMDDYY] 122506
MMDDYYYY SELECT REPLACE(CONVERT(VARCHAR(10), GETDATE(), 101), '/', '') AS [MMDDYYYY] 12252011
DDMMYY SELECT REPLACE(CONVERT(VARCHAR(10), GETDATE(), 3), '/', '') AS [DDMMYY] 240702
DDMMYYYY SELECT REPLACE(CONVERT(VARCHAR(10), GETDATE(), 103), '/', '') AS [DDMMYYYY] 24072011
Mon-YY SELECT REPLACE(RIGHT(CONVERT(VARCHAR(9), GETDATE(), 6), 6), ' ', '-') AS [Mon-YY] Sep-02
Mon-YYYY SELECT REPLACE(RIGHT(CONVERT(VARCHAR(11), GETDATE(), 106), 8), ' ', '-') AS [Mon-YYYY] Sep-2011
DD-Mon-YY SELECT REPLACE(CONVERT(VARCHAR(9), GETDATE(), 6), ' ', '-') AS [DD-Mon-YY] 25-Dec-05
DD-Mon-YYYY SELECT REPLACE(CONVERT(VARCHAR(11), GETDATE(), 106), ' ', '-') AS [DD-Mon-YYYY] 25-Dec-2011
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