SQL Date and Time Functions

SELECT convert(varchar, getdate(), 100) -- mon dd yyyy hh:mmAM (or PM)

-- Oct 2 2010 11:01AM

SELECT convert(varchar, getdate(), 101) -- mm/dd/yyyy - 10/02/2010

SELECT convert(varchar, getdate(), 102) -- yyyy.mm.dd - 2010.10.02

SELECT convert(varchar, getdate(), 103) -- dd/mm/yyyy

SELECT convert(varchar, getdate(), 104) -- dd.mm.yyyy

SELECT convert(varchar, getdate(), 105) -- dd-mm-yyyy

SELECT convert(varchar, getdate(), 106) -- dd mon yyyy

SELECT convert(varchar, getdate(), 107) -- mon dd, yyyy

SELECT convert(varchar, getdate(), 108) -- hh:mm:ss

SELECT convert(varchar, getdate(), 109) -- mon dd yyyy hh:mm:ss:mmmAM (or PM)

-- Oct 2 2010 11:02:44:013AM

SELECT convert(varchar, getdate(), 110) -- mm-dd-yyyy

SELECT convert(varchar, getdate(), 111) -- yyyy/mm/dd

-- yyyymmdd - ISO date format - international standard - works with any language setting

SELECT convert(varchar, getdate(), 112) -- yyyymmdd

SELECT convert(varchar, getdate(), 113) -- dd mon yyyy hh:mm:ss:mmm

-- 02 Oct 2010 11:02:07:577

SELECT convert(varchar, getdate(), 114) -- hh:mm:ss:mmm(24h)

SELECT convert(varchar, getdate(), 120) -- yyyy-mm-dd hh:mm:ss(24h)

SELECT convert(varchar, getdate(), 121) -- yyyy-mm-dd hh:mm:ss.mmm

SELECT convert(varchar, getdate(), 126) -- yyyy-mm-ddThh:mm:ss.mmm

-- 2010-10-02T10:52:47.513

-- Without century (YY) date / datetime conversion - there are exceptions!

SELECT convert(varchar, getdate(), 0) -- mon dd yyyy hh:mmAM (or PM)

SELECT convert(varchar, getdate(), 1) -- mm/dd/yy

SELECT convert(varchar, getdate(), 2) -- yy.mm.dd

SELECT convert(varchar, getdate(), 3) -- dd/mm/yy

SELECT convert(varchar, getdate(), 4) -- dd.mm.yy

SELECT convert(varchar, getdate(), 5) -- dd-mm-yy

SELECT convert(varchar, getdate(), 6) -- dd mon yy

SELECT convert(varchar, getdate(), 7) -- mon dd, yy

SELECT convert(varchar, getdate(), 8) -- hh:mm:ss

SELECT convert(varchar, getdate(), 9) -- mon dd yyyy hh:mm:ss:mmmAM (or PM)

SELECT convert(varchar, getdate(), 10) -- mm-dd-yy

SELECT convert(varchar, getdate(), 11) -- yy/mm/dd

SELECT convert(varchar, getdate(), 12) -- yymmdd

SELECT convert(varchar, getdate(), 13) -- dd mon yyyy hh:mm:ss:mmm

SELECT convert(varchar, getdate(), 14) -- hh:mm:ss:mmm(24h)

SELECT convert(varchar, getdate(), 20) -- yyyy-mm-dd hh:mm:ss(24h)

SELECT convert(varchar, getdate(), 21) -- yyyy-mm-dd hh:mm:ss.mmm

SELECT convert(varchar, getdate(), 22) -- mm/dd/yy hh:mm:ss AM (or PM)

SELECT convert(varchar, getdate(), 23) -- yyyy-mm-dd

SELECT convert(varchar, getdate(), 24) -- hh:mm:ss

SELECT convert(varchar, getdate(), 25) -- yyyy-mm-dd hh:mm:ss.mmm


-- SQL create different date styles with t-sql string functions

SELECT replace(convert(varchar, getdate(), 111), '/', ' ') -- yyyy mm dd

SELECT convert(varchar(7), getdate(), 126) -- yyyy-mm

SELECT right(convert(varchar, getdate(), 106), 8) -- mon yyyy
SELECT substring(convert(varchar, getdate(), 120),6, 11) -- mm-dd hh:mm

------------

-- SQL Server date formatting function - convert datetime to string


CREATE FUNCTION dbo.fnFormatDate (@Datetime DATETIME, @FormatMask VARCHAR(32))

RETURNS VARCHAR(32)

AS

BEGIN

DECLARE @StringDate VARCHAR(32)

SET @StringDate = @FormatMask

IF (CHARINDEX ('YYYY',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'YYYY', DATENAME(YY, @Datetime))

IF (CHARINDEX ('YY',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'YY', RIGHT(DATENAME(YY, @Datetime),2))

IF (CHARINDEX ('Month',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'Month', DATENAME(MM, @Datetime))

IF (CHARINDEX ('MON',@StringDate COLLATE SQL_Latin1_General_CP1_CS_AS)>0)

SET @StringDate = REPLACE(@StringDate, 'MON',

LEFT(UPPER(DATENAME(MM, @Datetime)),3))

IF (CHARINDEX ('Mon',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'Mon', LEFT(DATENAME(MM, @Datetime),3))

IF (CHARINDEX ('MM',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'MM',

RIGHT('0'+CONVERT(VARCHAR,DATEPART(MM, @Datetime)),2))

IF (CHARINDEX ('M',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'M',

CONVERT(VARCHAR,DATEPART(MM, @Datetime)))

IF (CHARINDEX ('DD',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'DD',

RIGHT('0'+DATENAME(DD, @Datetime),2))

IF (CHARINDEX ('D',@StringDate) > 0)

SET @StringDate = REPLACE(@StringDate, 'D', DATENAME(DD, @Datetime))

RETURN @StringDate

END

GO